Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · CFR · Title 10 — Energy · Part 431 — Energy Efficiency Program for Certain Commercial and Industrial Equipment · § 431.87

§ 431.87. Energy conservation standards and their effective dates.

236 words·~1 min read·/us/cfr/t10/s§ 431.87·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Each commercial packaged boiler listed in table 1 of this paragraph
(a)and manufactured on or after the effective date listed must meet the indicated energy conservation standard. Table 1 to Paragraph (a)—Commercial Packaged Boiler Energy Conservation Standards Equipment category Subcategory Certified rated input Efficiency level—effective date: March 2, 2012 * Hot Water Commercial Packaged BoilersGas-fired≥300,000 Btu/h and ≤2,500,000 Btu/h80.0% ET. Hot Water Commercial Packaged BoilersGas-fired>2,500,000 Btu/h82.0% EC. Hot Water Commercial Packaged BoilersOil-fired≥300,000 Btu/h and ≤2,500,000 Btu/h82.0% ET. Hot Water Commercial Packaged BoilersOil-fired>2,500,000 Btu/h84.0% EC. Steam Commercial Packaged BoilersGas-fired, all, except natural draft≥300,000 Btu/h and ≤2,500,000 Btu/h79.0% ET. Steam Commercial Packaged BoilersGas-fired, all, except natural draft>2,500,000 Btu/h79.0% ET. Steam Commercial Packaged BoilersGas-fired—natural draft≥300,000 Btu/h and ≤2,500,000 Btu/h77.0% ET. Steam Commercial Packaged BoilersGas-fired—natural draft>2,500,000 Btu/h77.0% ET. Steam Commercial Packaged BoilersOil-fired≥300,000 Btu/h and ≤2,500,000 Btu/h81.0% ET. Steam Commercial Packaged BoilersOil-fired>2,500,000 Btu/h81.0% ET. * Where EC is combustion efficiency and ET is thermal efficiency.
(b)Each commercial packaged boiler listed in table 2 of this paragraph
(b)and manufactured on or after the effective date listed in Table 2 must meet the indicated energy conservation standard. Table 2 to Paragraph (b)—Commercial Packaged Boiler Energy Conservation Standards Equipment category Subcategory Certified rated input Efficiency level—effective date: March 2, 2022 * Steam Commercial Packaged BoilersGas-fired—natural draft≥300,000 Btu/h and ≤2,500,000 Btu/h79.0% ET. Steam Commercial Packaged BoilersGas-fired—natural draft>2,500,000 Btu/h79.0% ET. * Where ET is thermal efficiency. [88 FR 64352, Sept. 19, 2023]
Connections46 cite this
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.