16 C.F.R. § 23 app G1 to Part 305

Current through November 30, 2024

Appendix G1 to Part 305 - Furnaces-Gas

Furnace type	Range of annual fuel utilization efficiencies (AFUEs)
	Low	High
Non-Weatherized Gas Furnaces-All Capacities	80.0	99.0
Weatherized Gas Furnaces-All Capacities	81.0	95.0

16 C.F.R. § 23 app G1 to Part 305

87 FR 61475 , Oct. 12, 2022

83 FR 7598 , 5/23/2018; 87 FR 61475 , 1/10/2023