Energy conservation standards and their effective dates.
CFR · 2024-01-01 · US · Title 10
(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. (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.
official document · source cfr-2024 · id 10:§ 431.87