16 CFR Part 305, Appendix G2
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Furnace type | Range of annual fuel utilization efficiencies (AFUEs) |
|---|---|
| Low | High |
| Electric Furnaces—All Capacities | 100 | 100 |
[87 FR 61475, Oct. 12, 2022]