Code of Federal Regulations (Last Updated: October 10, 2024) |
Title 10 - Energy |
Chapter II—Department of Energy |
SubChapter D—Energy Conservation |
Part 431 - Energy Efficiency Program for Certain Commercial and Industrial Equipment |
Subpart E - Commercial Packaged Boilers |
Energy Efficiency Standards |
§ 431.87 - Energy conservation standards and their effective dates.
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§ 431.87 Energy and water conservation standards and their effective dates.
(a) Each commercial packaged boiler listed in Table 1 to § 431.87 table 1 of this paragraph (a) and manufactured on or after March 2, 2012 and prior to January 10, 2023, the effective date listed must meet the applicable indicated energy conservation standard levels as follows: .
Table 1 to § 431.87Paragraph (a)—Commercial Packaged Boiler Energy Conservations Conservation Standards
Equipment category Subcategory Size category (Certified rated input ) Efficiency level— effective level—effective date: March 2, 2012 * Hot Water Commercial Packaged Boilers Gas-fired ≥300,000 Btu/h and ≤2,500,000 Btu/h 80.0% ET. Hot Water Commercial Packaged Boilers Gas-fired >2,500,000 Btu/h 82.0% EC. Hot Water Commercial Packaged Boilers Oil-fired ≥300,000 Btu/h and ≤2,500,000 Btu/h 82.0% ET. Hot Water Commercial Packaged Boilers Oil-fired >2,500,000 Btu/h 84.0% EC. Steam Commercial Packaged Boilers Gas-fired—allfired, all, except natural draft ≥300,000 Btu/h and ≤2,500,000 Btu/h 79.0% ET. Steam Commercial Packaged Boilers Gas-fired—allfired, all, except natural draft >2,500,000 Btu/h 79.0% ET. Steam Commercial Packaged Boilers Gas-fired—natural draft ≥300,000 Btu/h and ≤2,500,000 Btu/h 77.0% ET. Steam Commercial Packaged Boilers Gas-fired—natural draft >2,500,000 Btu/h 77.0% ET. Steam Commercial Packaged Boilers Oil-fired ≥300,000 Btu/h and ≤2,500,000 Btu/h 81.0% ET. Steam Commercial Packaged Boilers Oil-fired >2,500,000 Btu/h 81.0% ET. (b) Each commercial packaged boiler listed in Table 2 to § 431.87 table 2 of this paragraph (b) and manufactured on or after January 10, 2023, the effective date listed in Table 2 must meet the applicable indicated energy conservation standard levels as follows: .
[85 FR 1681, Jan. 10, 2020Table 2 to § 431.87Paragraph (b)—Commercial Packaged Boiler Energy Conservations Conservation Standards
Small Oil-Fired Hot Water Commercial Packaged Boilers Equipment Size category (rated input) Energy conservation standard Small Gas-Fired Hot Water Commercial Packaged Boilers ≥300,000 Btu/h and ≤2,500,000 Btu/h 84.0% ET. Large Gas-Fired Hot Water Commercial Packaged Boilers >2,500,000 Btu/h and ≤10,000,000 Btu/h 85.0% EC. Very Large Gas-Fired Hot Water Commercial Packaged Boilers >10,000,000 Btu/h 82.0% EC. Subcategory Certified rated input Efficiency level—effective date: March 2, 2022 * Steam Commercial Packaged Boilers Gas-fired—natural draft ≥300,000 Btu/h and ≤2,500,000 Btu/h 8779.0% ET. Large Oil-Fired Hot Water Commercial Packaged Boilers >2,500,000 Btu/h and ≤10,000,000 Btu/h 88.0% EC. Very Large Oil-Fired Hot Water Commercial Packaged Boilers >10,000,000 Btu/h 84.0% EC. Small Gas-Fired Steam Commercial Packaged Boilers ≥300,000 Btu/h and ≤2,500,000 Btu/h 81.0% ET. Large Gas-Fired Steam Commercial Packaged Boilers Gas-fired—natural draft >2,500,000 Btu/h and ≤10,000,000 Btu/h 82.0% ET. Very Large Gas-Fired Steam Commercial Packaged Boilers ** >10,000,000 Btu/h 79.0% ET. Small Oil-Fired Steam Commercial Packaged Boilers ≥300,000 Btu/h and ≤2,500,000 Btu/h 84.0% ET. Large Oil-Fired Steam Commercial Packaged Boilers >2,500,000 Btu/h and ≤10,000,000 Btu/h 85.0% ET. Very Large Oil-Fired Steam Commercial Packaged Boilers >10,000,000 Btu/h 81.0% ET. [88 FR 64352, Sept. 19, 2023]