16 CFR Appendix G6 to Part 305 - Appendix G6 to Part 305—Boilers (Gas)

Appendix G6 to Part 305—Boilers (Gas)
Type Range of annual fuel utilization efficiencies
(AFUEs)
Low High
Gas Boilers (except steam)—All Capacities 84 96.4
Gas Boilers (steam)—All Capacities 82 83.4
[87 FR 61475, Oct. 12, 2022]