§10.1. Purpose. — Inbound Citations
10 C.F.R. § 10.1
Statutory Authority
Cited by 1 regulation in release Current.
Citations to 10 U.S.C. § 10.1 as a whole
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(2) The annual fuel utilization efficiency (AFUE) for furnaces, expressed in percent, is the ratio of the annual fuel output of useful energy delivered to the heated space to the annual fuel energy input to the furnace.(i) For gas and oil furnaces, determine AFUE according to section 10.1 of appendix N (for furnaces, excluding low pressure steam or hot water boilers and electric boilers) or section 10.1 of appendix EE (for low pressure steam or hot water boilers and electric boilers) of this subpart, as applicable.(ii) For electric furnaces, excluding electric boilers, determine AFUE in accordance with section 11.1 of ANSI/ASHRAE 103-1993 (incorporated by reference, see § 430.3); for electric boilers, determine AFUE in accordance with section 11.1 of ANSI/ASHRAE 103-2017 (incorporated by reference, see § 430.3).