16 CFR Part 305, Appendix J1
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Manufacturer's rated heating capacities | Range of thermal efficiencies (percent) |
|---|---|
| Natural gas | Propane |
| Low | High | Low | High |
| All capacities | 82 | 95 | 82 | 95 |
[87 FR 61476, Oct. 12, 2022]