The energy and water (in the case of faucets, showerheads, water closets, and urinals) conservation standards for the covered product classes are:
(a) Refrigerators/refrigerator-freezers/freezers. These standards do not apply to refrigerators and refrigerator-freezers with total refrigerated volume exceeding 39 cubic feet (1104 liters) or freezers with total refrigerated volume exceeding 30 cubic feet (850 liters). The energy standards as determined by the equations of the following table(s) shall be rounded off to the nearest kWh per year. If the equation calculation is halfway between the nearest two kWh per year values, the standard shall be rounded up to the higher of these values.
The following standards remain in effect from July 1, 2001 until September 15, 2014:
| Product class | Energy standard equations for maximum energy use (kWh/yr) |
|---|---|
| 1. Refrigerators and refrigerator-freezers with manual defrost | 8.82AV + 248.4 0.31av + 248.4 |
| 2. Refrigerator-freezers—partial automatic defrost | 8.82AV + 248.4 0.31av + 248.4 |
| 3. Refrigerator-freezers—automatic defrost with top-mounted freezer without through-the-door ice service and all-refrigerator—automatic defrost | 9.80AV + 276.0 0.35av + 276.0 |
| 4. Refrigerator-freezers—automatic defrost with side-mounted freezer without through-the-door ice service | 4.91AV + 507.5 0.17av + 507.5 |
| 5. Refrigerator-freezers—automatic defrost with bottom-mounted freezer without through-the-door ice service | 4.60AV + 459.0 0.16av + 459.0 |
| 6. Refrigerator-freezers—automatic defrost with top-mounted freezer with through-the-door ice service | 10.20AV + 356.0 0.36av + 356.0 |
| 7. Refrigerator-freezers—automatic defrost with side-mounted freezer with through-the-door ice service | 10.10AV + 406.0 0.36av + 406.0 |
| 8. Upright freezers with manual defrost | 7.55AV + 258.3 0.27av + 258.3 |
| 9. Upright freezers with automatic defrost | 12.43AV + 326.1 0.44av + 326.1 |
| 10. Chest freezers and all other freezers except compact freezers | 9.88AV + 143.7 0.35av + 143.7 |
| 11. Compact refrigerators and refrigerator-freezers with manual defrost | 10.70AV + 299.0 0.38av + 299.0 |
| 12. Compact refrigerator-freezer—partial automatic defrost | 7.00AV + 398.0 0.25av + 398.0 |
| 13. Compact refrigerator-freezers—automatic defrost with top-mounted freezer and compact all-refrigerator—automatic defrost | 12.70AV + 355.0 0.45av + 355.0 |
| 14. Compact refrigerator-freezers—automatic defrost with side-mounted freezer | 7.60AV + 501.0 0.27av + 501.0 |
| 15. Compact refrigerator-freezers—automatic defrost with bottom-mounted freezer | 13.10AV + 367.0 0.46av + 367.0 |
| 16. Compact upright freezers with manual defrost | 9.78AV + 250.8 0.35av + 250.8 |
| 17. Compact upright freezers with automatic defrost | 11.40AV + 391.0 0.40av + 391.0 |
| 18. Compact chest freezers | 10.45AV + 152.0 0.37av + 152.0 |
AV: Adjusted Volume in ft3; av: Adjusted Volume in liters (L).
The following standards apply to products manufactured starting on September 15, 2014:
|
Product class |
Equations for maximum energy use (kWh/yr) |
|
|---|---|---|
| Based on AV (ft3) | Based on av (L) | |
| 1. Refrigerator-freezers and refrigerators other than all-refrigerators with manual defrost | 7.99AV + 225.0 | 0.282av + 225.0 |
| 1A. All-refrigerators—manual defrost | 6.79AV + 193.6 | 0.240av + 193.6 |
| 2. Refrigerator-freezers—partial automatic defrost | 7.99AV + 225.0 | 0.282av + 225.0 |
| 3. Refrigerator-freezers—automatic defrost with top-mounted freezer without an automatic icemaker | 8.07AV + 233.7 | 0.285av + 233.7 |
| 3-BI. Built-in refrigerator-freezer—automatic defrost with top-mounted freezer without an automatic icemaker | 9.15AV + 264.9 | 0.323av + 264.9 |
| 3I. Refrigerator-freezers—automatic defrost with top-mounted freezer with an automatic icemaker without through-the-door ice service | 8.07AV + 317.7 | 0.285av + 317.7 |
| 3I-BI. Built-in refrigerator-freezers—automatic defrost with top-mounted freezer with an automatic icemaker without through-the-door ice service | 9.15AV + 348.9 | 0.323av + 348.9 |
| 3A. All-refrigerators—automatic defrost | 7.07AV + 201.6 | 0.250av + 201.6 |
| 3A-BI. Built-in All-refrigerators—automatic defrost | 8.02AV + 228.5 | 0.283av + 228.5 |
| 4. Refrigerator-freezers—automatic defrost with side-mounted freezer without an automatic icemaker | 8.51AV + 297.8 | 0.301av + 297.8 |
| 4-BI. Built-In Refrigerator-freezers—automatic defrost with side-mounted freezer without an automatic icemaker | 10.22AV + 357.4 | 0.361av + 357.4 |
| 4I. Refrigerator-freezers—automatic defrost with side-mounted freezer with an automatic icemaker without through-the-door ice service | 8.51AV + 381.8 | 0.301av + 381.8 |
| 4I-BI. Built-In Refrigerator-freezers—automatic defrost with side-mounted freezer with an automatic icemaker without through-the-door ice service | 10.22AV + 441.4 | 0.361av + 441.4 |
| 5. Refrigerator-freezers—automatic defrost with bottom-mounted freezer without an automatic icemaker | 8.85AV + 317.0 | 0.312av + 317.0 |
| 5-BI. Built-In Refrigerator-freezers—automatic defrost with bottom-mounted freezer without an automatic icemaker | 9.40AV + 336.9 | 0.332av + 336.9 |
| 5I. Refrigerator-freezers—automatic defrost with bottom-mounted freezer with an automatic icemaker without through-the-door ice service | 8.85AV + 401.0 | 0.312av + 401.0 |
| 5I-BI. Built-In Refrigerator-freezers—automatic defrost with bottom-mounted freezer with an automatic icemaker without through-the-door ice service | 9.40AV + 420.9 | 0.332av + 420.9 |
| 5A. Refrigerator-freezer—automatic defrost with bottom-mounted freezer with through-the-door ice service | 9.25AV + 475.4 | 0.327av + 475.4 |
| 5A-BI. Built-in refrigerator-freezer—automatic defrost with bottom-mounted freezer with through-the-door ice service | 9.83AV + 499.9 | 0.347av + 499.9 |
| 6. Refrigerator-freezers—automatic defrost with top-mounted freezer with through-the-door ice service | 8.40AV + 385.4 | 0.297av + 385.4 |
| 7. Refrigerator-freezers—automatic defrost with side-mounted freezer with through-the-door ice service | 8.54AV + 432.8 | 0.302av + 432.8 |
| 7-BI. Built-In Refrigerator-freezers—automatic defrost with side-mounted freezer with through-the-door ice service | 10.25AV + 502.6 | 0.362av + 502.6 |
| 8. Upright freezers with manual defrost | 5.57AV + 193.7 | 0.197av + 193.7 |
| 9. Upright freezers with automatic defrost without an automatic icemaker | 8.62AV + 228.3 | 0.305av + 228.3 |
| 9I. Upright freezers with automatic defrost with an automatic icemaker | 8.62AV + 312.3 | 0.305av + 312.3 |
| 9-BI. Built-In Upright freezers with automatic defrost without an automatic icemaker | 9.86AV + 260.9 | 0.348av + 260.9 |
| 9I-BI. Built-in upright freezers with automatic defrost with an automatic icemaker | 9.86AV + 344.9 | 0.348av + 344.9 |
| 10. Chest freezers and all other freezers except compact freezers | 7.29AV + 107.8 | 0.257av + 107.8 |
| 10A. Chest freezers with automatic defrost | 10.24AV + 148.1 | 0.362av + 148.1 |
| 11. Compact refrigerator-freezers and refrigerators other than all-refrigerators with manual defrost | 9.03AV + 252.3 | 0.319av + 252.3 |
| 11A.Compact all-refrigerators—manual defrost | 7.84AV + 219.1 | 0.277av + 219.1 |
| 12. Compact refrigerator-freezers—partial automatic defrost | 5.91AV + 335.8 | 0.209av + 335.8 |
| 13. Compact refrigerator-freezers—automatic defrost with top-mounted freezer | 11.80AV + 339.2 | 0.417av + 339.2 |
| 13I. Compact refrigerator-freezers—automatic defrost with top-mounted freezer with an automatic icemaker | 11.80AV + 423.2 | 0.417av + 423.2 |
| 13A. Compact all-refrigerators—automatic defrost | 9.17AV + 259.3 | 0.324av + 259.3 |
| 14. Compact refrigerator-freezers—automatic defrost with side-mounted freezer | 6.82AV + 456.9 | 0.241av + 456.9 |
| 14I. Compact refrigerator-freezers—automatic defrost with side-mounted freezer with an automatic icemaker | 6.82AV + 540.9 | 0.241av + 540.9 |
| 15. Compact refrigerator-freezers—automatic defrost with bottom-mounted freezer | 11.80AV + 339.2 | 0.417av + 339.2 |
| 15I. Compact refrigerator-freezers—automatic defrost with bottom-mounted freezer with an automatic icemaker | 11.80AV + 423.2 | 0.417av + 423.2 |
| 16. Compact upright freezers with manual defrost | 8.65AV + 225.7 | 0.306av + 225.7 |
| 17. Compact upright freezers with automatic defrost | 10.17AV + 351.9 | 0.359av + 351.9 |
| 18. Compact chest freezers | 9.25AV + 136.8 | 0.327av + 136.8 |
AV = Total adjusted volume, expressed in ft3, as determined in appendices A and B of subpart B of this part.
av = Total adjusted volume, expressed in Liters.
(b) Room air conditioners.
| Product class | Energy efficiency ratio, effective from Oct. 1, 2000 to May 31, 2014 |
Combined energy efficiency ratio, effective as of June 1, 2014 |
|---|---|---|
| 1. Without reverse cycle, with louvered sides, and less than 6,000 Btu/h | 9.7 | 11.0 |
| 2. Without reverse cycle, with louvered sides, and 6,000 to 7,999 Btu/h | 9.7 | 11.0 |
| 3. Without reverse cycle, with louvered sides, and 8,000 to 13,999 Btu/h | 9.8 | 10.9 |
| 4. Without reverse cycle, with louvered sides, and 14,000 to 19,999 Btu/h | 9.7 | 10.7 |
| 5a. Without reverse cycle, with louvered sides, and 20,000 to 27,999 Btu/h | 8.5 | 9.4 |
| 5b. Without reverse cycle, with louvered sides, and 28,000 Btu/h or more | 8.5 | 9.0 |
| 6. Without reverse cycle, without louvered sides, and less than 6,000 Btu/h | 9.0 | 10.0 |
| 7. Without reverse cycle, without louvered sides, and 6,000 to 7,999 Btu/h | 9.0 | 10.0 |
| 8a. Without reverse cycle, without louvered sides, and 8,000 to 10,999 Btu/h | 8.5 | 9.6 |
| 8b. Without reverse cycle, without louvered sides, and 11,000 to 13,999 Btu/h | 8.5 | 9.5 |
| 9. Without reverse cycle, without louvered sides, and 14,000 to 19,999 Btu/h | 8.5 | 9.3 |
| 10. Without reverse cycle, without louvered sides, and 20,000 Btu/h or more | 8.5 | 9.4 |
| 11. With reverse cycle, with louvered sides, and less than 20,000 Btu/h | 9.0 | 9.8 |
| 12. With reverse cycle, without louvered sides, and less than 14,000 Btu/h | 8.5 | 9.3 |
| 13. With reverse cycle, with louvered sides, and 20,000 Btu/h or more | 8.5 | 9.3 |
| 14. With reverse cycle, without louvered sides, and 14,000 Btu/h or more | 8.0 | 8.7 |
| 15. Casement-Only | 8.7 | 9.5 |
| 16. Casement-Slider | 9.5 | 10.4 |
(c) Central air conditioners and heat pumps. The energy conservation standards defined in terms of the heating seasonal performance factor are based on Region IV, the minimum standardized design heating requirement, and the provisions of 10 CFR 429.16.
(1) Central air conditioners and central air conditioning heat pumps manufactured on or after January 1, 2015, and before January 1, 2023, must have Seasonal Energy Efficiency Ratio and Heating Seasonal Performance Factor not less than:
| Product class | Seasonal energy efficiency ratio (SEER) |
Heating seasonal performance factor (HSPF) |
|---|---|---|
| (i) Split systems—air conditioners | 13 | |
| (ii) Split systems—heat pumps | 14 | 8.2 |
| (iii) Single package units—air conditioners | 14 | |
| (iv) Single package units—heat pumps | 14 | 8.0 |
| (v) Small-duct, high-velocity systems | 12 | 7.2 |
| (vi)(A) Space-constrained products—air conditioners | 12 | |
| (vi)(B) Space-constrained products—heat pumps | 12 | 7.4 |
(2) In addition to meeting the applicable requirements in paragraph (c)(1) of this section, products in product class (i) of paragraph (c)(1) of this section (i.e., split-systems—air conditioners) that are installed on or after January 1, 2015, and before January 1, 2023, in the States of Alabama, Arkansas, Delaware, Florida, Georgia, Hawaii, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, or Virginia, or in the District of Columbia, must have a Seasonal Energy Efficiency Ratio (SEER) of 14 or higher. Any outdoor unit model that has a certified combination with a rating below 14 SEER cannot be installed in these States. The least efficient combination of each basic model must comply with this standard.
(3)
(i) In addition to meeting the applicable requirements in paragraph (c)(1) of this section, products in product classes (i) and (iii) of paragraph (c)(1) of this section (i.e., split systems—air conditioners and single-package units—air conditioners) that are installed on or after January 1, 2015, and before January 1, 2023, in the States of Arizona, California, Nevada, or New Mexico must have a Seasonal Energy Efficiency Ratio (SEER) of 14 or higher and have an Energy Efficiency Ratio (EER) (at a standard rating of 95 °F dry bulb outdoor temperature) not less than the following:
| Product class | Energy efficiency ratio (EER) |
|---|---|
| (i) Split systems—air conditioners with rated cooling capacity less than 45,000 Btu/hr | 12.2 |
| (ii) Split systems—air conditioners with rated cooling capacity equal to or greater than 45,000 Btu/hr | 11.7 |
| (iii) Single-package units—air conditioners | 11.0 |
(ii) Any outdoor unit model that has a certified combination with a rating below 14 SEER or the applicable EER cannot be installed in this region. The least-efficient combination of each basic model must comply with this standard.
(4) Each basic model of single-package central air conditioners and central air conditioning heat pumps and each individual combination of split-system central air conditioners and central air conditioning heat pumps manufactured on or after January 1, 2015, shall have an average off mode electrical power consumption not more than the following:
| Product class | Average off mode power consumption PW,OFF (watts) |
|---|---|
| (i) Split-system air conditioners | 30 |
| (ii) Split-system heat pumps | 33 |
| (iii) Single-package air conditioners | 30 |
| (iv) Single-package heat pumps | 33 |
| (v) Small-duct, high-velocity systems | 30 |
| (vi) Space-constrained air conditioners | 30 |
| (vii) Space-constrained heat pumps | 33 |
(5) Central air conditioners and central air conditioning heat pumps manufactured on or after January 1, 2023, must have a Seasonal Energy Efficiency Ratio 2 and a Heating Seasonal Performance Factor 2 not less than:
| Product class | Seasonal energy efficiency ratio 2 (SEER2) |
Heating seasonal performance factor 2 (HSPF2) |
|---|---|---|
| (i)(A) Split systems—air conditioners with a certified cooling capacity less than 45,000 Btu/hr | 13.4 | |
| (i)(B) Split systems—air conditioners with a certified cooling capacity equal to or greater than 45,000 Btu/hr | 13.4 | |
| (ii) Split systems—heat pumps | 14.3 | 7.5 |
| (iii) Single-package units—air conditioners | 13.4 | |
| (iv) Single-package units—heat pumps | 13.4 | 6.7 |
| (v) Small-duct, high-velocity systems | 12 | 6.1 |
| (vi)(A) Space-constrained products—air conditioners | 11.7 | |
| (vi)(B) Space-constrained products—heat pumps | 11.9 | 6.3 |
(6)
(i) In addition to meeting the applicable requirements in paragraph (c)(5) of this section, products in product classes (i) and (iii) of paragraph (c)(5) of this section (i.e., split systems—air conditioners and single-package units—air conditioners) that are installed on or after January 1, 2023, in the southeast or southwest must have a Seasonal Energy Efficiency Ratio 2 and a Energy Efficiency Ratio 2 not less than:
| Product class | Southeast* | Southwest** | |
|---|---|---|---|
| SEER2 | SEER2 | EER2*** | |
| (i)(A) Split-systems—air conditioners with a certified cooling capacity less than 45,000 Btu/hr | 14.3 | 14.3 | 11.7/9.8† |
| (i)(B) Split-systems—air conditioners with a certified cooling capacity equal to or greater than 45,000 Btu/hr | 13.8 | 13.8 | 11.2/9.8†† |
| (iii) Single-package units—air conditioners | 10.6 | ||
*“Southeast” includes the States of Alabama, Arkansas, Delaware, Florida, Georgia, Hawaii, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, Puerto Rico, South Carolina, Tennessee, Texas, Virginia, the District of Columbia, and the U.S. Territories.
**“Southwest” includes the States of Arizona, California, Nevada, and New Mexico.
***EER refers to the energy efficiency ratio at a standard rating of 95 °F dry bulb outdoor temperature.
†The 11.7 EER2 standard applies to products with a certified SEER2 less than 15.2. The 9.8 EER2 standard applies to products with a certified SEER2 greater than or equal to 15.2.
††The 11.2 EER2 standard applies to products with a certified SEER2 less than 15.2. The 9.8 EER2 standard applies to products with a certified SEER2 greater than or equal to 15.2.
(ii) Any outdoor unit model that has a certified combination with a rating below the applicable standard level(s) for a region cannot be installed in that region. The least-efficient combination of each basic model must comply with this standard.
(d) Water heaters. The uniform energy factor of water heaters shall not be less than the following:
| Product class | Rated storage volume and input rating (if applicable) |
Draw pattern | Uniform energy factor |
|---|---|---|---|
| Gas-fired Storage Water Heater | ≥20 gal and ≤55 gal | Very Small | 0.3456 − (0.0020 × Vr) |
| Low | 0.5982 − (0.0019 × Vr) | ||
| Medium | 0.6483 − (0.0017 × Vr) | ||
| High | 0.6920 − (0.0013 × Vr) | ||
| >55 gal and ≤100 gal | Very Small | 0.6470 − (0.0006 × Vr) | |
| Low | 0.7689 − (0.0005 × Vr) | ||
| Medium | 0.7897 − (0.0004 × Vr) | ||
| High | 0.8072 − (0.0003 × Vr) | ||
| Oil-fired Storage Water Heater | ≤50 gal | Very Small | 0.2509 − (0.0012 × Vr) |
| Low | 0.5330 − (0.0016 × Vr) | ||
| Medium | 0.6078 − (0.0016 × Vr) | ||
| High | 0.6815 − (0.0014 × Vr) | ||
| Electric Storage Water Heaters | ≥20 gal and ≤55 gal | Very Small | 0.8808 − (0.0008 × Vr) |
| Low | 0.9254 − (0.0003 × Vr) | ||
| Medium | 0.9307 − (0.0002 × Vr) | ||
| High | 0.9349 − (0.0001 × Vr) | ||
| >55 gal and ≤120 gal | Very Small | 1.9236 − (0.0011 × Vr) | |
| Low | 2.0440 − (0.0011 × Vr) | ||
| Medium | 2.1171 − (0.0011 × Vr) | ||
| High | 2.2418 − (0.0011 × Vr) | ||
| Tabletop Water Heater | ≥20 gal and ≤120 gal | Very Small | 0.6323 − (0.0058 × Vr) |
| Low | 0.9188 − (0.0031 × Vr) | ||
| Medium | 0.9577 − (0.0023 × Vr) | ||
| High | 0.9884 − (0.0016 × Vr) | ||
| Instantaneous Gas-fired Water Heater | <2 gal and >50,000 Btu/h | Very Small Low |
0.80 0.81 |
| Medium | 0.81 | ||
| High | 0.81 | ||
| Instantaneous Electric Water Heater | <2 gal | Very Small | 0.91 |
| Low | 0.91 | ||
| Medium | 0.91 | ||
| High | 0.92 | ||
| Grid-Enabled Water Heater | >75 gal | Very Small | 1.0136 − (0.0028 × Vr) |
| Low | 0.9984 − (0.0014 × Vr) | ||
| Medium | 0.9853 − (0.0010 × Vr) | ||
| High | 0.9720 − (0.0007 × Vr) |
*Vr is the Rated Storage Volume (in gallons), as determined pursuant to 10 CFR 429.17.
(e) Furnaces and boilers.
(1) Furnaces.
(i) The Annual Fuel Utilization Efficiency (AFUE) of residential furnaces shall not be less than the following for non-weatherized gas furnaces manufactured before November 19, 2015, non-weatherized oil furnaces manufactured before May 1, 2013, and weatherized furnaces manufactured before January 1, 2015:
| Product class | AFUE (percent)1 |
|---|---|
| (A) Furnaces (excluding classes noted below) | 78 |
| (B) Mobile Home furnaces | 75 |
| (C) Small furnaces (other than those designed solely for installation in mobile homes) having an input rate of less than 45,000 Btu/hr | |
| (1) Weatherized (outdoor) | 78 |
| (2) Non-weatherized (indoor) | 78 |
1Annual Fuel Utilization Efficiency, as determined in §430.23(n)(2) of this part.
(ii) The AFUE of residential furnaces shall not be less than the following starting on the compliance date indicated in the table below:
| Product class | AFUE (percent)1 |
Compliance date |
|---|---|---|
| (A) Non-weatherized gas furnaces (not including mobile home furnaces) | 80 | November 19, 2015. |
| (B) Mobile Home gas furnaces | 80 | November 19, 2015. |
| (C) Non-weatherized oil-fired furnaces (not including mobile home furnaces) | 83 | May 1, 2013. |
| (D) Mobile Home oil-fired furnaces | 75 | September 1, 1990. |
| (E) Weatherized gas furnaces | 81 | January 1, 2015. |
| (F) Weatherized oil-fired furnaces | 78 | January 1, 1992. |
| (G) Electric furnaces | 78 | January 1, 1992. |
1Annual Fuel Utilization Efficiency, as determined in §430.23(n)(2) of this part.
(iii) Furnaces manufactured on or after May 1, 2013, shall have an electrical standby mode power consumption (PW,SB) and electrical off mode power consumption (PW,OFF) not more than the following:
| Product class | Maximum standby mode electrical power consumption, PW,SB (watts) | Maximum off mode electrical power consumption, PW,OFF (watts) |
|---|---|---|
| (A) Non-weatherized oil-fired furnaces (including mobile home furnaces) | 11 | 11 |
| (B) Electric furnaces | 10 | 10 |
(2) Boilers.
(i) The AFUE of residential boilers manufactured before September 1, 2012, shall not be less than the following:
| Product class | AFUE1 (percent) |
|---|---|
| (A) Boilers (excluding gas steam) | 80 |
| (B) Gas steam boilers | 75 |
1Annual Fuel Utilization Efficiency, as determined in §430.22(n)(2) of this part.
(ii) Except as provided in paragraph (e)(2)(iv) of this section, the AFUE of residential boilers, manufactured on or after September 1, 2012, and before January 15, 2021, shall not be less than the following and must comply with the design requirements as follows:
| Product class | AFUE1 (percent) |
Design requirements |
|---|---|---|
| (A) Gas-fired hot water boiler | 82 | Constant burning pilot not permitted. Automatic means for adjusting water temperature required (except for boilers equipped with tankless domestic water heating coils). |
| (B) Gas-fired steam boiler | 80 | Constant burning pilot not permitted. |
| (C) Oil-fired hot water boiler | 84 | Automatic means for adjusting temperature required (except for boilers equipped with tankless domestic water heating coils). |
| (D) Oil-fired steam boiler | 82 | None. |
| (E) Electric hot water boiler | None | Automatic means for adjusting temperature required (except for boilers equipped with tankless domestic water heating coils). |
1Annual Fuel Utilization Efficiency, as determined in §430.22(n)(2) of this part.
(iii)
(A) Except as provided in paragraph (e)(2)(v) of this section, the AFUE of residential boilers, manufactured on and after January 15, 2021, shall not be less than the following and must comply with the design requirements as follows:
| Product class | AFUE1 (percent) |
Design requirements |
|---|---|---|
| (1) Gas-fired hot water boiler | 84 | Constant-burning pilot not permitted. Automatic means for adjusting water temperature required (except for boilers equipped with tankless domestic water heating coils). |
| (2) Gas-fired steam boiler | 82 | Constant-burning pilot not permitted. |
| (3) Oil-fired hot water boiler | 86 | Automatic means for adjusting temperature required (except for boilers equipped with tankless domestic water heating coils). |
| (4) Oil-fired steam boiler | 85 | None. |
| (5) Electric hot water boiler | None | Automatic means for adjusting temperature required (except for boilers equipped with tankless domestic water heating coils). |
| (6) Electric steam boiler | None | None. |
1Annual Fuel Utilization Efficiency, as determined in §430.23(n)(2) of this part.
(B) Except as provided in paragraph (e)(2)(v) of this section, the standby mode power consumption (PW,SB) and off mode power consumption (PW,OFF) of residential boilers, manufactured on and after January 15, 2021, shall not be more than the following:
| Product class | PW,SB (watts) |
PW,OFF (watts) |
|---|---|---|
| (1) Gas-fired hot water boiler | 9 | 9 |
| (2) Gas-fired steam boiler | 8 | 8 |
| (3) Oil-fired hot water boiler | 11 | 11 |
| (4) Oil-fired steam boiler | 11 | 11 |
| (5) Electric hot water boiler | 8 | 8 |
| (6) Electric steam boiler | 8 | 8 |
(iv) Automatic means for adjusting water temperature.
(A) The automatic means for adjusting water temperature as required under paragraph (e)(2)(ii) of this section must automatically adjust the temperature of the water supplied by the boiler to ensure that an incremental change in inferred heat load produces a corresponding incremental change in the temperature of water supplied.
(B) For boilers that fire at a single input rate, the automatic means for adjusting water temperature requirement may be satisfied by providing an automatic means that allows the burner or heating element to fire only when the means has determined that the inferred heat load cannot be met by the residual heat of the water in the system.
(C) When there is no inferred heat load with respect to a hot water boiler, the automatic means described in this paragraph shall limit the temperature of the water in the boiler to not more than 140 degrees Fahrenheit.
(D) A boiler for which an automatic means for adjusting water temperature is required shall be operable only when the automatic means is installed.
(v) A boiler that is manufactured to operate without any need for electricity or any electric connection, electric gauges, electric pumps, electric wires, or electric devices is not required to meet the AFUE or design requirements applicable to the boiler requirements of paragraph (e)(2)(ii) of this section, but must meet the requirements of paragraph (e)(2)(i) of this section, as applicable.
(f) Dishwashers.
(1) All dishwashers manufactured on or after May 30, 2013, shall meet the following standard—
(i) Standard size dishwashers shall not exceed 307 kwh/year and 5.0 gallons per cycle.
(ii) Compact size dishwashers shall not exceed 222 kwh/year and 3.5 gallons per cycle.
| Product class | Energy factor (cycles/kWh) |
|---|---|
| (i) Compact Dishwasher (capacity less than eight place settings plus six serving pieces as specified in ANSI/AHAM DW-1 [Incorporated by reference, see §430.22] using the test load specified in section 2.7 of appendix C in subpart B) | 0.62 |
| (ii) Standard Dishwasher (capacity equal to or greater than eight place settings plus six serving pieces as specified in ANSI/AHAM DW-1 [Incorporated by Reference, see §430.22] using the test load specified in section 2.7 of appendix C in subpart B) | 0.46 |
(2) [Reserved]
(g) Clothes washers.
(1) Clothes washers manufactured on or after January 1, 2007 shall have a Modified Energy Factor no less than:
| Product class | Modified energy factor (cu.ft./kWh/cycle) |
|---|---|
| i. Top-loading, Compact (less than 1.6 ft3 capacity) | 0.65. |
| ii. Top-loading, Standard (1.6 ft3 or greater capacity) | 1.26. |
| iii. Top-Loading, Semi-Automatic | Not Applicable.1 |
| iv. Front-loading | 1.26. |
| v. Suds-saving | Not Applicable.1 |
1Must have an unheated rinse water option.
(2) All top-loading or front-loading standard-size residential clothes washers manufactured on or after January 1, 2011, and before March 7, 2015, shall meet the following standard—
(i) A Modified Energy Factor of at least 1.26; and
(ii) A Water Factor of not more than 9.5.
(3) Clothes washers manufactured on or after March 7, 2015, and before January 1, 2018, shall have an Integrated Modified Energy Factor no less than, and an Integrated Water Factor no greater than:
| Product class | Integrated modified energy factor (cu.ft./kWh/cycle) |
Integrated water factor (gal/cycle/cu.ft.) |
|---|---|---|
| i. Top-loading, Compact (less than 1.6 ft3 capacity) | 0.86 | 14.4 |
| ii. Top-loading, Standard (1.6 ft3 or greater capacity) | 1.29 | 8.4 |
| iii. Front-loading, Compact (less than 1.6 ft3 capacity) | 1.13 | 8.3 |
| iv. Front-loading, Standard (1.6 ft3 or greater capacity) | 1.84 | 4.7 |
(4) Clothes washers manufactured on or after January 1, 2018 shall have an Integrated Modified Energy Factor no less than, and an Integrated Water Factor no greater than:
| Product class | Integrated modified energy factor (cu.ft./kWh/cycle) |
Integrated water factor (gal/cycle/cu.ft.) |
|---|---|---|
| i. Top-loading, Compact (less than 1.6 ft3 capacity) | 1.15 | 12.0 |
| ii. Top-loading, Standard (1.6 ft3 or greater capacity) | 1.57 | 6.5 |
| iii. Front-loading, Compact (less than 1.6 ft3 capacity) | 1.13 | 8.3 |
| iv. Front-loading, Standard (1.6 ft3 or greater capacity) | 1.84 | 4.7 |
(h) Clothes dryers.
(1) Gas clothes dryers manufactured after January 1, 1988 shall not be equipped with a constant burning pilot.
(2) Clothes dryers manufactured on or after May 14, 1994 and before January 1, 2015, shall have an energy factor no less than:
| Product class | Energy factor (lbs/kWh) |
|---|---|
| i. Electric, Standard (4.4 ft3 or greater capacity) | 3.01 |
| ii. Electric, Compact (120V) (less than 4.4 ft3 capacity) | 3.13 |
| iii. Electric, Compact (240V) (less than 4.4 ft3 capacity) | 2.90 |
| iv. Gas | 2.67 |
(3) Clothes dryers manufactured on or after January 1, 2015, shall have a combined energy factor no less than:
| Product class | Combined energy factor (lbs/kWh) |
|---|---|
| i. Vented Electric, Standard (4.4 ft3 or greater capacity) | 3.73 |
| ii. Vented Electric, Compact (120V) (less than 4.4 ft3 capacity) | 3.61 |
| iii. Vented Electric, Compact (240V) (less than 4.4 ft3 capacity) | 3.27 |
| iv. Vented Gas | 3.30 |
| v. Ventless Electric, Compact (240V) (less than 4.4 ft3 capacity) | 2.55 |
| vi. Ventless Electric, Combination Washer-Dryer | 2.08 |
(i) Direct heating equipment.
(1) Vented home heating equipment manufactured on or after January 1, 1990 and before April 16, 2013, shall have an annual fuel utilization efficiency no less than:
| Product class | Annual fuel utilization efficiency, Jan. 1, 1990 (percent) |
|---|---|
| 1. Gas wall fan type up to 42,000 Btu/h | 73 |
| 2. Gas wall fan type over 42,000 Btu/h | 74 |
| 3. Gas wall gravity type up to 10,000 Btu/h | 59 |
| 4. Gas wall gravity type over 10,000 Btu/h up to 12, 000 Btu/h | 60 |
| 5. Gas wall gravity type over 12,000 Btu/h up to 15,000 Btu/h | 61 |
| 6. Gas wall gravity type over 15,000 Btu/h up to 19,000 Btu/h | 62 |
| 7. Gas wall gravity type over 19,000 Btu/h and up to 27,000 Btu/h | 63 |
| 8. Gas wall gravity type over 27,000 Btu/h and up to 46,000 Btu/h | 64 |
| 9. Gas wall gravity type over 46,000 Btu/h | 65 |
| 10. Gas floor up to 37,000 Btu/h | 56 |
| 11. Gas floor over 37,000 Btu/h | 57 |
| 12. Gas room up to 18,000 Btu/h | 57 |
| 13. Gas room over 18,000 Btu/h up to 20,000 Btu/h | 58 |
| 14. Gas room over 20,000 Btu/h up to 27,000 Btu/h | 63 |
| 15. Gas room over 27,000 Btu/h up to 46,000 Btu/h | 64 |
| 16. Gas room over 46,000 Btu/h | 65 |
(2) Vented home heating equipment manufactured on or after April 16, 2013, shall have an annual fuel utilization efficiency no less than:
| Product class | Annual fuel utilization efficiency, April 16, 2013 (percent) |
|---|---|
| Gas wall fan type up to 42,000 Btu/h | 75 |
| Gas wall fan type over 42,000 Btu/h | 76 |
| Gas wall gravity type up to 27,000 Btu/h | 65 |
| Gas wall gravity type over 27,000 Btu/h up to 46,000 Btu/h | 66 |
| Gas wall gravity type over 46,000 Btu/h | 67 |
| Gas floor up to 37,000 Btu/h | 57 |
| Gas floor over 37,000 Btu/h | 58 |
| Gas room up to 20,000 Btu/h | 61 |
| Gas room over 20,000 Btu/h up to 27,000 Btu/h | 66 |
| Gas room over 27,000 Btu/h up to 46,000 Btu/h | 67 |
| Gas room over 46,000 Btu/h | 68 |
(j) Cooking Products
(1) Gas cooking products with an electrical supply cord manufactured on or after January 1, 1990, shall not be equipped with a constant burning pilot light.
(2) Gas cooking products without an electrical supply cord manufactured on or after April 9, 2012, shall not be equipped with a constant burning pilot light.
(3) Microwave-only ovens and countertop convection microwave ovens manufactured on or after June 17, 2016 shall have an average standby power not more than 1.0 watt. Built-in and over-the-range convection microwave ovens manufactured on or after June 17, 2016 shall have an average standby power not more than 2.2 watts.
(k) Pool heaters.
(1) Gas-fired pool heaters manufactured on or after January 1, 1990 and before April 16, 2013, shall have a thermal efficiency not less than 78%.
(2) Gas-fired pool heaters manufactured on or after April 16, 2013, shall have a thermal efficiency not less than 82%.
(l) Television sets. [Reserved]
(m) Fluorescent lamp ballasts—(1) Standards for fluorescent lamp ballasts (other than dimming ballasts). Except as provided in paragraphs (m)(2) and (3) of this section, each fluorescent lamp ballast manufactured on or after November 14, 2014,
(i) Designed and marketed—
(A) To operate at nominal input voltages at or between 120 and 277 volts;
(B) To operate with an input current frequency of 60 Hertz; and
(C) For use in connection with fluorescent lamps (as defined in §430.2)
(ii) Must have—
(A) A power factor of:
(1) 0.9 or greater for ballasts that are not residential ballasts; or
(2) 0.5 or greater for residential ballasts; and
(B) A ballast luminous efficiency not less than the following:
| BLE = A/(1 + B × average total lamp arc power ^ −C) Where A, B, and C are as follows: | |||
|---|---|---|---|
| Description | A | B | C |
| Instant start and rapid start ballasts (not classified as residential ballasts) that are designed and marketed to operate: | |||
| 4-foot medium bipin lamps; | 0.993 | 0.27 | 0.25 |
| 2-foot U-shaped lamps; or | |||
| 8-foot slimline lamps. | |||
| Programmed start ballasts (not classified as residential ballasts) that are designed and marketed to operate: | |||
| 4-foot medium bipin lamps; | 0.993 | 0.51 | 0.37 |
| 2-foot U-shaped lamps; | |||
| 4-foot miniature bipin standard output lamps; or | |||
| 4-foot miniature bipin high output lamps. | |||
| Instant start and rapid start ballasts (not classified as sign ballasts) that are designed and marketed to operate 8-foot high output lamps | 0.993 | 0.38 | 0.25 |
| Programmed start ballasts (not classified as sign ballasts) that are designed and marketed to operate 8-foot high output lamps | 0.973 | 0.70 | 0.37 |
| Sign ballasts that are designed and marketed to operate 8-foot high output lamps | 0.993 | 0.47 | 0.25 |
| Instant start and rapid start residential ballasts that are designed and marketed to operate: | |||
| 4-foot medium bipin lamps; | 0.993 | 0.41 | 0.25 |
| 2-foot U-shaped lamps; or | |||
| 8-foot slimline lamps. | |||
| Programmed start residential ballasts that are designed and marketed to operate: | |||
| 4-foot medium bipin lamps or | 0.973 | 0.71 | 0.37 |
| 2-foot U-shaped lamps. | |||
(2) Standards for certain dimming ballasts. Except as provided in paragraph (m)(3) of this section, each dimming ballast manufactured on or after November 14, 2014; designed and marketed to operate one F34T12, two F34T12, two F96T12/ES, or two F96T12HO/ES lamps; and
(i) Designed and marketed—
(A) To operate at nominal input voltages at or between 120 and 277 volts;
(B) To operate with an input current frequency of 60 Hertz; and
(C) For use in connection with fluorescent lamps (as defined in §430.2)
(ii) Must have—
(A) A power factor of:
(1) 0.9 or greater for ballasts that are not residential ballasts; or
(2) 0.5 or greater for residential ballasts; and
(B) A ballast luminous efficiency not less than the following:
| Designed and marketed for operation of a maximum of | Nominal input voltage |
Total nominal lamp watts | Ballast luminous efficiency | |
|---|---|---|---|---|
| Low frequency ballasts | High frequency ballasts | |||
| One F34T12 lamp | 120/277 | 34 | 0.777 | 0.778 |
| Two F34T12 lamps | 120/277 | 68 | 0.804 | 0.805 |
| Two F96T12/ES lamps | 120/277 | 120 | 0.876 | 0.884 |
| Two F96T12HO/ES lamps | 120/277 | 190 | 0.711 | 0.713 |
(3) Exemptions. The power factor and ballast luminous efficiency standards described in paragraph (m)(1)(ii) and (m)(2)(ii) of this section do not apply to:
(i) A dimming ballast designed and marketed to operate exclusively lamp types other than one F34T12, two F34T12, two F96T12/ES, or two F96T12HO/ES lamps;
(ii) A low frequency ballast that is designed and marketed to operate T8 diameter lamps; is designed and marketed for use in electromagnetic-interference-sensitive-environments only; and is shipped by the manufacturer in packages containing 10 or fewer ballasts; or
(iii) A programmed start ballast that operates 4-foot medium bipin T8 lamps and delivers on average less than 140 milliamperes to each lamp.
(4) For the purposes of this paragraph (m), the definitions found in appendix Q of subpart B of this part apply.
(n) General service fluorescent lamps and incandescent reflector lamps.
(1) Except as provided in paragraphs (n)(2), (n)(3), and (n)(4) of this section, each of the following general service fluorescent lamps manufactured after the effective dates specified in the table shall meet or exceed the following lamp efficacy and CRI standards:
| Lamp type | Nominal lamp wattage |
Minimum CRI |
Minimum average lamp efficacy lm/W |
Effective date |
|---|---|---|---|---|
| 4-foot medium bipin | >35 W ≤35 W |
69 45 |
75.0 75.0 |
Nov. 1, 1995. Nov. 1, 1995. |
| 2-foot U-shaped | >35 W ≤ 35 W |
69 45 |
68.0 64.0 |
Nov. 1, 1995. Nov. 1, 1995. |
| 8-foot slimline | >65 W ≤65 W |
69 45 |
80.0 80.0 |
May 1, 1994. May 1, 1994. |
| 8-foot high output | >100 W ≤100 W |
69 45 |
80.0 80.0 |
May 1, 1994. May 1, 1994. |
(2) The standards described in paragraph (n)(1) of this section do not apply to:
(i) Any 4-foot medium bipin lamp or 2-foot U-shaped lamp with a rated wattage less than 28 watts;
(ii) Any 8-foot high output lamp not defined in ANSI C78.81 (incorporated by reference; see §430.3) or related supplements, or not 0.800 nominal amperes; or
(iii) Any 8-foot slimline lamp not defined in ANSI C78.3 (incorporated by reference; see §430.3).
(3) Except as provided in paragraph (n)(4) of this section, each of the following general service fluorescent lamps manufactured after July 14, 2012, shall meet or exceed the following lamp efficacy standards shown in the table:
| Lamp type | Correlated color temperature |
Minimum average lamp efficacy lm/W |
|---|---|---|
| 4-foot medium bipin | ≤4,500K >4,500K and ≤7,000K |
89 88 |
| 2-foot U-shaped | ≤4,500K >4,500K and ≤7,000K |
84 81 |
| 8-foot slimline | ≤4,500K >4,500K and ≤7,000K |
97 93 |
| 8-foot high output | ≤4,500K >4,500K and ≤7,000K |
92 88 |
| 4-foot miniature bipin standard output | ≤4,500K >4,500K and ≤7,000K |
86 81 |
| 4-foot miniature bipin high output | ≤4,500K >4,500K and ≤7,000K |
76 72 |
(4) Each of the following general service fluorescent lamps manufactured on or after January 26, 2018, shall meet or exceed the following lamp efficacy standards shown in the table:
| Lamp type | Correlated color temperature |
Minimum average lamp efficacy lm/W |
|---|---|---|
| 4-foot medium bipin | ≤4,500K >4,500K and ≤7,000K |
92.4 88.7 |
| 2-foot U-shaped | ≤4,500K >4,500K and ≤7,000K |
85.0 83.3 |
| 8-foot slimline | ≤4,500K >4,500K and ≤7,000K |
97.0 93.0 |
| 8-foot high output | ≤4,500K >4,500K and ≤7,000K |
92.0 88.0 |
| 4-foot miniature bipin standard output | ≤4,500K >4,500K and ≤7,000K |
95.0 89.3 |
| 4-foot miniature bipin high output | ≤4,500K >4,500K and ≤7,000K |
82.7 76.9 |
(5) Except as provided in paragraph (n)(6) of this section, each of the following incandescent reflector lamps manufactured after November 1, 1995, shall meet or exceed the lamp efficacy standards shown in the table:
| Nominal lamp wattage | Minimum average lamp efficacy lm/W |
|---|---|
| 40-50 | 10.5 |
| 51-66 | 11.0 |
| 67-85 | 12.5 |
| 86-115 | 14.0 |
| 116-155 | 14.5 |
| 156-205 | 15.0 |
(6) Each of the following incandescent reflector lamps manufactured after July 14, 2012, shall meet or exceed the lamp efficacy standards shown in the table:
| Rated lamp wattage | Lamp spectrum | Lamp diameter inches |
Rated voltage | Minimum average lamp efficacy lm/W |
|---|---|---|---|---|
| 40-205 | Standard Spectrum | >2.5 | ≥125 V <125 V |
6.8*P0.27 5.9*P0.27 |
| ≤2.5 | ≥125 V <125 V |
5.7*P0.27 5.0*P0.27 |
||
| 40-205 | Modified Spectrum | >2.5 | ≥125 V <125 V |
5.8*P0.27 5.0*P0.27 |
| ≤2.5 | ≥125 V <125 V |
4.9*P0.27 4.2*P0.27 |
Note 1: P is equal to the rated lamp wattage, in watts.
Note 2: Standard Spectrum means any incandescent reflector lamp that does not meet the definition of modified spectrum in 430.2.
(7)
(i)
(A) Subject to the exclusions in paragraph (n)(7)(ii) of this section, the standards specified in this section shall apply to ER incandescent reflector lamps, BR incandescent reflector lamps, BPAR incandescent reflector lamps, and similar bulb shapes on and after January 1, 2008.
(B) Subject to the exclusions in paragraph (n)(7)(ii) of this section, the standards specified in this section shall apply to incandescent reflector lamps with a diameter of more than 2.25 inches, but not more than 2.75 inches, on and after June 15, 2008.
(ii) The standards specified in this section shall not apply to the following types of incandescent reflector lamps:
(A) Lamps rated at 50 watts or less that are ER30, BR30, BR40, or ER40 lamps;
(B) Lamps rated at 65 watts that are BR30, BR40, or ER40 lamps; or
(C) R20 incandescent reflector lamps rated 45 watts or less.
(o) Faucets. The maximum water use allowed for any of the following faucets manufactured after January 1, 1994, when measured at a flowing water pressure of 60 pounds per square inch (414 kilopascals), shall be as follows:
| Faucet type | Maximum flow rate (gpm (L/min)) or (gal/cycle (L/cycle)) |
|---|---|
| Lavatory faucets | 2.2 gpm (8.3 L/min)1 2 |
| Lavatory replacement aerators | 2.2 gpm (8.3 L/min) |
| Kitchen faucets | 2.2 gpm (8.3 L/min) |
| Kitchen replacement aerators | 2.2 gpm (8.3 L/min) |
| Metering faucets | 0.25 gal/cycle (0.95 L/cycle)3 4 |
Note:
1Sprayheads with independently-controlled orifices and manual controls.
The maximum flow rate of each orifice that manually turns on or off shall not exceed the maximum flow rate for a lavatory faucet.
2Sprayheads with collectively controlled orifices and manual controls.
The maximum flow rate of a sprayhead that manually turns on or off shall be the product of (a) the maximum flow rate for a lavatory faucet and (b) the number of component lavatories (rim space of the lavatory in inches (millimeters) divided by 20 inches (508 millimeters)).
3Sprayheads with independently controlled orifices and metered controls.
The maximum flow rate of each orifice that delivers a pre-set volume of water before gradually shutting itself off shall not exceed the maximum flow rate for a metering faucet.
4Sprayheads with collectively-controlled orifices and metered controls.
The maximum flow rate of a sprayhead that delivers a pre-set volume of water before gradually shutting itself off shall be the product of (a) the maximum flow rate for a metering faucet and (b) the number of component lavatories (rim space of the lavatory in inches (millimeters) divided by 20 inches (508 millimeters)).
(p) Showerheads. The maximum water use allowed for any showerheads manufactured after January 1, 1994, shall be 2.5 gallons per minute (9.5 liters per minute) when measured at a flowing pressure of 80 pounds per square inch gage (552 kilopascals). When used as a component of any such showerhead, the flow-restricting insert shall be mechanically retained at the point of manufacture such that a force of 8.0 pounds force (36 Newtons) or more is required to remove the flow-restricting insert, except that this requirement shall not apply to showerheads for which removal of the flow-restricting insert would cause water to leak significantly from areas other than the spray face.
(q) Water closets.
(1) The maximum water use allowed in gallons per flush for any of the following water closets manufactured after January 1, 1994, shall be as follows:
| Water closet type | Maximum flush rate (gpf (Lpf)) |
|---|---|
| Gravity tank-type toilets | 1.6 (6.0) |
| Flushometer tank toilets | 1.6 (6.0) |
| Electromechanical hydraulic toilets | 1.6 (6.0) |
| Blowout toilets | 3.5 (13.2) |
(2) The maximum water use allowed for flushometer valve toilets, other than blowout toilets, manufactured after January 1, 1997, shall be 1.6 gallons per flush (6.0 liters per flush).
(r) Urinals. The maximum water use allowed for any urinals manufactured after January 1, 1994, shall be 1.0 gallons per flush (3.8 liters per flush). The maximum water use allowed for a trough-type urinal shall be the product of:
(1) The maximum flow rate for a urinal and
(2) The length of the trough-type urinal in inches (millimeter) divided by 16 inches (406 millimeters).
(s) Ceiling fans and ceiling fan light kits.
(1) All ceiling fans manufactured on or after January 1, 2007, shall have the following features:
(i) Fan speed controls separate from any lighting controls;
(ii) Adjustable speed controls (either more than 1 speed or variable speed);
(iii) The capability of reversible fan action, except for—
(A) Fans sold for industrial applications;
(B) Fans sold for outdoor applications; and
(C) Cases in which safety standards would be violated by the use of the reversible mode.
(2)
(i) Ceiling fans manufactured on or after January 21, 2020 shall meet the requirements shown in the table:
| Product class as defined in Appendix U | Minimum efficiency (CFM/W)1 |
|---|---|
| Very small-diameter (VSD) | D ≤ 12 in.: 21 D > 12 in.: 3.16 D −17.04 |
| Standard | 0.65 D + 38.03 |
| Hugger | 0.29 D + 34.46 |
| High-speed small-diameter (HSSD) | 4.16 D + 0.02 |
| Large-diameter | 0.91 D−30.00 |
1D is the ceiling fan's blade span, in inches, as determined in Appendix U of this part.
(ii) The provisions in this appendix apply to ceiling fans except:
(A) Ceiling fans where the plane of rotation of a ceiling fan's blades is not less than or equal to 45 degrees from horizontal, or cannot be adjusted based on the manufacturer's specifications to be less than or equal to 45 degrees from horizontal;
(B) Centrifugal ceiling fans, as defined in Appendix U of this part;
(C) Belt-driven ceiling fans, as defined in Appendix U of this part;
(D) Oscillating ceiling fans, as defined in Appendix U of this part; and
(E) Highly-decorative ceiling fans, as defined in Appendix U of this part.
(3) Ceiling fan light kits manufactured on or after January 1, 2007, and prior to January 21, 2020, with medium screw base sockets must be packaged with medium screw base lamps to fill all sockets. These medium screw base lamps must—
(i) Be compact fluorescent lamps that meet or exceed the following requirements or be as described in paragraph (s)(3)(ii) of this section:
| Factor | Requirements |
|---|---|
| Rated Wattage (Watts) & Configuration1 | Minimum Initial Lamp Efficacy (lumens per watt)2 |
| Bare Lamp: | |
| Lamp Power <15 | 45.0 |
| Lamp Power ≥15 | 60.0 |
| Covered Lamp (no reflector): | |
| Lamp Power <15 | 40.0 |
| 15≤Lamp Power <19 | 48.0 |
| 19≤Lamp Power <25 | 50.0 |
| Lamp Power ≥25 | 55.0 |
| With Reflector: | |
| Lamp Power <20 | 33.0 |
| Lamp Power ≥20 | 40.0 |
| Lumen Maintenance at 1,000 hours | ≥ 90.0% |
| Lumen Maintenance at 40 Percent of Lifetime | ≥ 80.0% |
| Rapid Cycle Stress Test | Each lamp must be cycled once for every 2 hours of lifetime. At least 5 lamps must meet or exceed the minimum number of cycles. |
| Lifetime | ≥ 6,000 hours for the sample of lamps. |
1Use rated wattage to determine the appropriate minimum efficacy requirements in this table.
2Calculate efficacy using measured wattage, rather than rated wattage, and measured lumens to determine product compliance. Wattage and lumen values indicated on products or packaging may not be used in calculation.
(ii) Be light sources other than compact fluorescent lamps that have lumens per watt performance at least equivalent to comparably configured compact fluorescent lamps meeting the energy conservation standards in paragraph (s)(3)(i) of this section.
(4) Ceiling fan light kits manufactured on or after January 1, 2007, and prior January 21, 2020, with pin-based sockets for fluorescent lamps must use an electronic ballast and be packaged with lamps to fill all sockets. These lamp ballast platforms must meet the following requirements:
| Factor | Requirement |
|---|---|
| System Efficacy Per Lamp Ballast Platform in Lumens Per Watt (lm/w) | ≥50 lm/w for all lamps below 30 total listed lamp watts. |
| ≥60 lm/w for all lamps that are ≤ 24 inches and | |
| ≥30 total listed lamp watts. | |
| ≥70 lm/w for all lamps that are > 24 inches and | |
| ≥30 total listed lamp watts. |
(5) Ceiling fan light kits manufactured on or after January 1, 2009, and prior to January 21, 2020, with socket types other than those covered in paragraph (s)(3) or (4) of this section, including candelabra screw base sockets, must be packaged with lamps to fill all sockets and must not be capable of operating with lamps that total more than 190 watts.
(6) Ceiling fan light kits manufactured on or after January 21, 2020 must be packaged with lamps to fill all sockets, and each basic model of lamp packaged with the basic model of CFLK and each basic model of integrated SSL in the CFLK basic model shall meet the requirements shown in the table:
| Lumens1 | Minimum required efficacy (lm/W) |
|---|---|
| <120 | 50 |
| ≥120 | (74.0−29.42 × 0.9983lumens) |
1Use the lumen output for each basic model of lamp packaged with the basic model of CFLK or each basic model of integrated SSL in the CFLK basic model to determine the applicable standard.
(i) Ceiling fan light kits with medium screw base sockets manufactured on or after January 21, 2020 and packaged with compact fluorescent lamps must include lamps that also meet the following requirements:
| Lumen Maintenance at 1,000 hours | ≥90.0%. |
| Lumen Maintenance at 40 Percent of Lifetime | ≥80.0%. |
| Rapid Cycle Stress Test | Each lamp must be cycled once for every 2 hours of lifetime of compact fluorescent lamp as defined in §430.2. At least 5 lamps must meet or exceed the minimum number of cycles. |
| Lifetime | ≥6,000 hours for the sample of lamps. |
(ii) Ceiling fan light kits with pin based sockets for fluorescent lamps, manufactured on or after January 21, 2020, must also use an electronic ballast.
(t) Torchieres. A torchiere manufactured on or after January 1, 2006 shall:
(1) Consume not more than 190 watts of power; and
(2) Not be capable of operating with lamps that total more than 190 watts.
(u) Compact fluorescent lamps.
(1) Medium Base Compact Fluorescent Lamps. A bare or covered (no reflector) medium base compact fluorescent lamp manufactured on or after January 1, 2006, must meet the following requirements:
| Factor | Requirements |
|---|---|
| Labeled Wattage (Watts) & Configuration* | Measured initial lamp efficacy (lumens per watt) must be at least: |
| Bare Lamp: | |
| Labeled Wattage < 15 | 45.0. |
| Labeled Wattage ≥ 15 | 60.0. |
| Covered Lamp (no reflector): | |
| Labeled Wattage < 15 | 40.0. |
| 15 ≤ Labeled Wattage < 19 | 48.0. |
| 19 ≤ Labeled Wattage < 25 | 50.0. |
| Labeled Wattage ≥ 25 | 55.0. |
| Lumen Maintenance at 1,000 Hours | ≥90.0%. |
| Lumen Maintenance at 40 Percent of Lifetime** | ≥80.0%. |
| Rapid Cycle Stress Test | Each lamp must be cycled once for every 2 hours of lifetime.** At least 5 lamps must meet or exceed the minimum number of cycles. |
| Lifetime** | ≥6,000 hours. |
*Use labeled wattage to determine the appropriate efficacy requirements in this table; do not use measured wattage for this purpose.
**Lifetime refers to lifetime of a compact fluorescent lamp as defined in 10 CFR 430.2.
(2) [Reserved].
(v) Dehumidifiers.
(1) Dehumidifiers manufactured on or after October 1, 2012, shall have an energy factor that meets or exceeds the following values:
| Product capacity (pints/day) | Minimum energy factor (liters/kWh) |
|---|---|
| Up to 35.00 | 1.35 |
| 35.01-45.00 | 1.50 |
| 45.01-54.00 | 1.60 |
| 54.01-75.00 | 1.70 |
| 75.01 or more | 2.5 |
(2) Dehumidifiers manufactured on or after June 13, 2019, shall have an integrated energy factor that meets or exceeds the following values:
| Portable dehumidifier product capacity (pints/day) |
Minimum integrated energy factor (liters/kWh) |
|---|---|
| 25.00 or less | 1.30 |
| 25.01-50.00 | 1.60 |
| 50.01 or more | 2.80 |
| Whole-home dehumidifier product case volume (cubic feet) | |
| 8.0 or less | 1.77 |
| More than 8.0 | 2.41 |
(w) External power supplies.
(1)
(i) Except as provided in paragraphs (w)(2) and (5) of this section, all class A external power supplies manufactured on or after July 1, 2008, shall meet the following standards:
| Active mode | |
|---|---|
| Nameplate output | Required efficiency (decimal equivalent of a percentage) |
| Less than 1 watt | 0.5 times the Nameplate output. |
| From 1 watt to not more than 51 watts | The sum of 0.09 times the Natural Logarithm of the Nameplate Output and 0.5. |
| Greater than 51 watts | 0.85. |
| No-load mode | |
| Nameplate output | Maximum consumption |
| Not more than 250 watts | 0.5 watts. |
(ii) Except as provided in paragraphs (w)(5), (w)(6), and (w)(7) of this section, all direct operation external power supplies manufactured on or after February 10, 2016, shall meet the following standards:
(iii) Except as provided in paragraphs (w)(5), (w)(6), and (w)(7) of this section, all external power supplies manufactured on or after February 10, 2016, shall meet the following standards:
| Class A EPS | Non-Class A EPS | |
|---|---|---|
| Direct Operation EPS | Level VI: 10 CFR 430.32(w)(1)(ii) | Level VI: 10 CFR 430.32(w)(1)(ii). |
| Indirect Operation EPS | Level IV: 10 CFR 430.32(w)(1)(i) | No Standards. |
(2) A basic model of external power supply is not subject to the energy conservation standards of paragraph (w)(1)(ii) of this section if the external power supply—
(i) Is manufactured during the period beginning on February 10, 2016, and ending on February 10, 2020;
(ii) Is marked in accordance with the External Power Supply International Efficiency Marking Protocol, as in effect on February 10, 2016;
(iii) Meets, where applicable, the standards under paragraph (w)(1)(i) of this section, and has been certified to the Secretary as meeting those standards; and
(iv) Is made available by the manufacturer only as a service part or a spare part for an end-use product that—
(A) Constitutes the primary load; and
(B) Was manufactured before February 10, 2016.
(3) The standards described in paragraph (w)(1) of this section shall not constitute an energy conservation standard for the separate end-use product to which the external power supply is connected.
(4) Any external power supply subject to the standards in paragraph (w)(1) of this section shall be clearly and permanently marked in accordance with the International Efficiency Marking Protocol for External Power Supplies (incorporated by reference; see §430.3), published by the U.S. Department of Energy.
(5) Non-application of no-load mode requirements. The no-load mode energy efficiency standards established in paragraph (w)(1) of this section shall not apply to an external power supply that—
(i) Is an AC-to-AC external power supply;
(ii) Has a nameplate output of 20 watts or more;
(iii) Is certified to the Secretary as being designed to be connected to a security or life safety alarm or surveillance system component; and
(iv) On establishment within the External Power Supply International Efficiency Marking Protocol, as referenced in the “Energy Star Program Requirements for Single Voltage External Ac-Dc and Ac-Ac Power Supplies” (incorporated by reference, see §430.3), published by the Environmental Protection Agency, of a distinguishing mark for products described in this clause, is permanently marked with the distinguishing mark.
(6) An external power supply shall not be subject to the standards in paragraph (w)(1) of this section if it is a device that requires Federal Food and Drug Administration (FDA) listing and approval as a medical device in accordance with section 513 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 360(c)).
(7) A direct operation, AC-DC external power supply with nameplate output voltage less than 3 volts and nameplate output current greater than or equal to 1,000 milliamps that charges the battery of a product that is fully or primarily motor operated shall not be subject to the standards in paragraph (w)(1)(ii) of this section.
(x) General service incandescent lamps, intermediate base incandescent lamps and candelabra base incandescent lamps.
(1) The energy conservation standards in this paragraph apply to general service incandescent lamps:
(i) Intended for a general service or general illumination application (whether incandescent or not);
(ii) Has a medium screw base or any other screw base not defined in ANSI C81.61 (incorporated by reference; see §430.3); and
(iii) Is capable of being operated at a voltage at least partially within the range of 110 to 130 volts.
(A) General service incandescent lamps manufactured after the effective dates specified in the tables below, except as described in paragraph (x)(1)(B) of this section, shall have a color rendering index greater than or equal to 80 and shall have rated wattage no greater than and rated lifetime no less than the values shown in the table below:
General Service Incandescent Lamps
| Rated lumen ranges | Maximum rate wattage | Minimum rate life-time | Effective date |
|---|---|---|---|
| 1490-2600 | 72 | 1,000 hrs | 1/1/2012 |
| 1050-1489 | 53 | 1,000 hrs | 1/1/2013 |
| 750-1049 | 43 | 1,000 hrs | 1/1/2014 |
| 310-749 | 29 | 1,000 hrs | 1/1/2014 |
(B) Modified spectrum general service incandescent lamps manufactured after the effective dates specified shall have a color rendering index greater than or equal to 75 and shall have a rated wattage no greater than and rated lifetime no less than the values shown in the table below:
Modified Spectrum General Service Incandescent Lamps
| Rated lumen ranges | Maximum rate wattage | Minimum rate life-time | Effective date |
|---|---|---|---|
| 1118-1950 | 72 | 1,000 hrs | 1/1/2012 |
| 788-1117 | 53 | 1,000 hrs | 1/1/2013 |
| 563-787 | 43 | 1,000 hrs | 1/1/2014 |
| 232-562 | 29 | 1,000 hrs | 1/1/2014 |
(2) Each candelabra base incandescent lamp shall not exceed 60 rated watts.
(3) Each intermediate base incandescent lamp shall not exceed 40 rated watts.
(y) Residential furnace fans. Residential furnace fans incorporated in the products listed in Table 1 of this paragraph and manufactured on and after July 3, 2019, shall have a fan energy rating (FER) value that meets or is less than the following values:
Table 1—Energy Conservation Standards for Covered Residential Furnace Fans*
| Product class | FER** (Watts/1000 cfm) |
|---|---|
| Non-Weatherized, Non-Condensing Gas Furnace Fan (NWG-NC) | FER = 0.044 × QMax + 182 |
| Non-Weatherized, Condensing Gas Furnace Fan (NWG-C) | FER = 0.044 × QMax + 195 |
| Weatherized Non-Condensing Gas Furnace Fan (WG-NC) | FER = 0.044 × QMax + 199 |
| Non-Weatherized, Non-Condensing Oil Furnace Fan (NWO-NC) | FER = 0.071 × QMax + 382 |
| Non-Weatherized Electric Furnace/Modular Blower Fan (NWEF/NWMB) | FER = 0.044 × QMax + 165 |
| Mobile Home Non-Weatherized, Non-Condensing Gas Furnace Fan (MH-NWG-NC) | FER = 0.071 × QMax + 222 |
| Mobile Home Non-Weatherized, Condensing Gas Furnace Fan (MH-NWG-C) | FER = 0.071 × QMax + 240 |
| Mobile Home Electric Furnace/Modular Blower Fan (MH-EF/MB) | FER = 0.044 × QMax + 101 |
| Mobile Home Non-Weatherized Oil Furnace Fan (MH-NWO) | Reserved |
| Mobile Home Weatherized Gas Furnace Fan (MH-WG)** | Reserved |
*Furnace fans incorporated into hydronic air handlers, SDHV modular blowers, SDHV electric furnaces, and CAC/HP indoor units are not subject to the standards listed in this table.
**QMax is the airflow, in cfm, at the maximum airflow-control setting measured using the final DOE test procedure at 10 CFR part 430, subpart B, appendix AA.
(z) Battery chargers.
(1) Battery chargers manufactured on or after June 13, 2018, must have a unit energy consumption (UEC) less than or equal to the prescribed “Maximum UEC” standard when using the equations for the appropriate product class and corresponding rated battery energy as shown in the following table:
| Product class | Product class description | Rated battery energy (Ebatt**) | Special characteristic or battery voltage | Maximum UEC (kWh/yr) (as a function of Ebatt**) |
|---|---|---|---|---|
| 1 | Low-Energy | ≤5 Wh | Inductive Connection* | 3.04 |
| 2 | Low-Energy, Low-Voltage | <100 Wh | <4 V | 0.1440 * Ebatt + 2.95 |
| 3 | Low-Energy, Medium-Voltage | 4-10 V | For Ebatt <10 Wh, 1.42 kWh/y Ebatt ≥10 Wh, 0.0255 * Ebatt + 1.16 |
|
| 4 | Low-Energy, High-Voltage | >10 V | 0.11 * Ebatt + 3.18 | |
| 5 | Medium-Energy, Low-Voltage | 100-3000 Wh | <20 V | 0.0257 * Ebatt + .815 |
| 6 | Medium-Energy, High-Voltage | ≥20 V | 0.0778 * Ebatt + 2.4 | |
| 7 | High-Energy | >3000 Wh | 0.0502 * Ebatt + 4.53 |
*Inductive connection and designed for use in a wet environment (e.g. electric toothbrushes).
**Ebatt = Rated battery energy as determined in 10 CFR part 429.39(a).
(2) A battery charger shall not be subject to the standards in paragraph (z)(1) of this section if it is a device that requires Federal Food and Drug Administration (FDA) listing and approval as a life-sustaining or life-supporting device in accordance with section 513 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 360(c)).
(3) All uninterruptible power supplies (UPS) manufactured on and after January 10, 2022, that utilize a NEMA 1-15P or 5-15P input plug and have an AC output shall have an average load adjusted efficiency that meets or exceeds the values shown in the table in this paragraph (z)(3) based on the rated output power (Prated) of the UPS.
| Battery charger product class | Rated output power | Minimum efficiency |
|---|---|---|
| 10a (VFD UPSs) | 0 W < Prated ≤ 300 W | −1.20E-06 * P2rated + 7.17E-04 * Prated + 0.862. |
| 300 W < Prated ≤ 700 W | −7.85E-08 * P2rated + 1.01E-04 * Prated + 0.946. | |
| Prated > 700 W | −7.23E-09 * P2rated + 7.52E-06 * Prated + 0.977. | |
| 10b (VI UPSs) | 0 W < Prated ≤ 300 W | −1.20E-06 * P2rated + 7.19E-04 * Prated + 0.863. |
| 300 W < Prated ≤ 700 W | −7.67E-08 * P2rated + 1.05E-04 * Prated + 0.947. | |
| Prated > 700 W | −4.62E-09 * P2rated + 8.54E-06 * Prated + 0.979. | |
| 10c (VFI UPSs) | 0 W < Prated ≤ 300 W | −3.13E-06 * P2rated + 1.96E-03 * Prated + 0.543. |
| 300 W < Prated ≤ 700 W | −2.60E-07 * P2rated + 3.65E-04 * Prated + 0.764. | |
| Prated > 700 W | −1.70E-08 * P2rated + 3.85E-05 * Prated + 0.876. |
(aa) Miscellaneous refrigeration products. The energy standards as determined by the equations of the following table(s) shall be rounded off to the nearest kWh per year. If the equation calculation is halfway between the nearest two kWh per year values, the standard shall be rounded up to the higher of these values.
(1) Coolers manufactured starting on October 28, 2019 shall have Annual Energy Use (AEU) no more than:
| Product class | AEU (kWh/yr) |
|---|---|
| 1. Built-in compact | 7.88AV + 155.8 |
| 2. Built-in | |
| 3. Freestanding compact | |
| 4. Freestanding |
AV = Total adjusted volume, expressed in ft3, as calculated according to appendix A of subpart B of this part.
(2) Combination cooler refrigeration products manufactured starting on October 28, 2019 shall have Annual Energy Use (AEU) no more than:
| Product class | AEU (kWh/yr) |
|---|---|
| C-3A. Cooler with all-refrigerator—automatic defrost | 4.57AV + 130.4 |
| C-3A-BI. Built-in cooler with all-refrigerator—automatic defrost | 5.19AV + 147.8 |
| C-9. Cooler with upright freezers with automatic defrost without an automatic icemaker | 5.58AV + 147.7 |
| C-9-BI. Built-in cooler with upright freezer with automatic defrost without an automatic icemaker | 6.38AV + 168.8 |
| C-9I. Cooler with upright freezer with automatic defrost with an automatic icemaker | 5.58AV + 231.7 |
| C-9I-BI. Built-in cooler with upright freezer with automatic defrost with an automatic icemaker | 6.38AV + 252.8 |
| C-13A. Compact cooler with all-refrigerator—automatic defrost | 5.93AV + 193.7 |
| C-13A-BI. Built-in compact cooler with all-refrigerator—automatic defrost | 6.52AV + 213.1 |
AV = Total adjusted volume, expressed in ft3, as calculated according to appendix A of subpart B of this part.
(bb) Rough service lamps and vibration service lamps.
(1) Rough service lamps manufactured on or after January 25, 2018 must:
(i) Have a shatter-proof coating or equivalent technology that is compliant with NSF/ANSI 51 (incorporated by reference; see §430.3) and is designed to contain the glass if the glass envelope of the lamp is broken and to provide effective containment over the life of the lamp;
(ii) Have a rated wattage not greater than 40 watts; and
(iii) Be sold at retail only in a package containing one lamp.
(2) Vibration service lamps manufactured on or after January 25, 2018 must:
(i) Have a rated wattage no greater than 40 watts; and
(ii) Be sold at retail only in a package containing one lamp.
(cc) Portable air conditioners. Single-duct portable air conditioners and dual-duct portable air conditioners manufactured on or after January 10, 2025 must have a combined energy efficiency ratio (CEER) in Btu/Wh no less than SACC: Seasonally adjusted cooling capacity in Btu/h, as determined in appendix CC of subpart B of this part.
[54 FR 6077, Feb. 7, 1989]
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