ASHRAE-90.1-2022- - Page 302
Extracted Content
Table F-5 Residential Boiler [ a] Minimum Efficiency Requirements for U.S. Applications (see 10 CFR 430)
Gas-fired hot-water boiler
Gas-fired steam boiler
Oil-fired hot-water boiler
Oil-fired steam boiler
Electric hot-water boiler
Electric steam boiler
Constant burning pilot not permitted. Automatic means for adjusting water temperature required (except for boilers equipped with tankless domestic water heating coils) [ d] .
Constant burning pilot not permitted.
Automatic means for adjusting temperature required (except for boilers equipped with tankless domestic water heating coils) [ d] .
None
Automatic means for adjusting temperature required (except for boilers equipped with tankless domestic water heating coils) [ d] .
None
| Minimum Efficiency b | Standby Mode and Off-Mode Power Consumption |
|---|---|
| 84% AFUE | PW,SB 9 W PW,OFF 9 W |
| 82% AFUE | PW,SB 8 W PW,OFF 8 W |
| 86% AFUE | PW,SB 11 W PW,OFF 11 W |
| 85% AFUE | PW,SB 11 W PW,OFF 11 W |
| None | PW,SB 8 W PW,OFF 8 W |
| None | PW,SB 8 W PW,OFF 8 W |
a. Has a heat input rate of less than 300,000 Btu per hour for electric boilers and low-pressure steam or hot-water boilers (per § 430.2). b. Annual Fuel Utilization Efficiency, as determined in § 430.23(n)(2). c. Standby mode and off-mode electric power consumption as determined in § 430.23(n)(5). d. See § 430.32(e)(2)(iv) for additional details regarding automatic means for adjusting water temperature.
Table F-6 Ceiling Fan Efficiency Requirements for U.S. Applications (see 10 CFR 430)
| Equipment Type | Size Category | Minimum Efficiency | Test Procedure |
|---|---|---|---|
| Large-diameter ceiling fan | Blade span ≥ 84.5 in. | CFEI ≥ 1.00 at high (maximum) speed; and CFEI ≥ 1.31 at 40% of high speed or the nearest speed that is not less than 40% of high speed | 10 CFR 430 Appendix U |
300 ANSI/ASHRAE/IES Standard 90.1-2022 (I-P)