PUBLIC LAW 100-12—MAR. 17, 1987
101 STAT. I l l
"Room Up to 18,000 Btu/hour Over 18,000 Btu/hour up to 20,000 Btu/hour Over 20,000 Btu/hour up to 27,000 Btu/hour Over 27,000 Btu/hour up to 46,000 Btu/hour Over 46,000 Btu/hour
57% AFUE 58% AFUE 63% AFUE 64% AFUE 65% AFUE
"(4)(A) The Secretary shall publish final rules no later than January 1, 1992, to determine whether the standards established by paragraphs (1), (2), or (3) for water heaters, pool heaters, and direct heating equipment should be amended. Such rule shall provide that any amendment shall apply to products manufactured on or after January 1, 1995. "(B) The Secretary shall publish a final rule no later than January 1, 2000, to determine whether standards in effect for such products should be amended. Such rule shall provide that any such amendment shall apply to products manufactured on or after January 1, 2005. "(f) STANDARDS FOR FURNACES.—(1) Furnaces (other than furnaces designed solely for installation in mobile homes) manufactured on or after January 1, 1992, shall have an annual fuel utilization efficiency of not less than 78 percent, except that— "(A) boilers (other than gas steam boilers) shall have an annual fuel utilization efficiency of not less than 80 percent and gas steam boilers shall have an annual fuel utilization efficiency of not less than 75 percent; and "(B) the Secretary shall prescribe a final rule not later than January 1, 1989, establishing an energy conservation standard— "(i) which is for furnaces (other than furnaces designed oolely for installation in mobile homes) having an input of less than 45,000 Btu per hour and manufactured on or after January 1, 1992; "(ii) which provides that the annual fuel utilization efficiency of such furnaces shall be a specific percent which is not less than 71 percent and not more than 78 percent; and "(iii) which the Secretary determines is not likely to result in a significant shift from gas heating to electric resistance heating with respect to either residential construction or furnace replacement. "(2) Furnaces which are designed solely for installation in mobile homes and which are manufactured on or after September 1, 1990, shall have an annual fuel utilization efficiency of not less than 75 percent. "(3)(A) The Secretary shall publish a final rule no later than January 1, 1992, to determine whether the standards established by paragraph (2) for mobile home furnaces should be amended. Such rule shall provide that any amendment shall apply to products manufactured on or after January 1, 1994. "(B) The Secretary shall publish a final rule no later than January 1, 1994, to determine whether the standards established by this subsection for furnaces (including mobile home furnaces) should be amended. Such rule shall provide that any amendment shall apply to products manufactured on or after January 1, 2002. "(C) After January 1, 1997, and before January 1, 2007, the Secretary shall publish a final rule to determine whether standards in effect for such products should be amended. Such rule shall contain such amendment, if any, and provide that any amendment shall apply to products manufactured on or after January 1, 2012.
Regulations.
Regulations.
Mobile homes.
Regulations,
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Regulations.
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