16 CFR Part 305, Appendix G3 — Furnaces—Oil
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Type | Range of annual fuel utilization efficiencies (AFUEs) |
|---|---|
| Low | High |
| Non-Weatherized Oil Furnaces—All Capacities | 83 | 96.7 |
| Weatherized Oil Furnaces—All Capacities | (*) | (*) |
(*) No data.
[87 FR 61475, Oct. 12, 2022]