5.3 : Heating, Cooling, and Ventilation Equipment




5.3.2 Residential Furnace Efficiencies (Percent of Units Shipped) (1)
Gas-Fired Oil-Fired
AFUE Range 1985 AFUE Range 2006 AFUE Range 1985
Below 65% 15% 75% to 88% 64% Below 75% 10%
65% to 71% 44% 88% or More 36% 75% to 80% 56%
71% to 80% 10% Total 100% More Than 80% 35%
80% to 86% 19% Total 100%
More than 86% 12%
Total 100%
Average shipped in 1985 (2): 74% AFUE Average shipped in 1985 (2): 79% AFUE
Average shipped in 1995: 84% AFUE Average shipped in 1995: 81% AFUE
Best Available in 1981: 85% AFUE Best Available in 1981: 85% AFUE
Best Available in 2007: 97% AFUE Best Available in 2007: 95% AFUE
Note(s): 1) Federal appliance standards effective Jan. 1, 1992, require a minimum of 78% AFUE for furnaces. 3) Includes boilers.









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Sources:

GAMA's Internet Home Page for 2006 AFUE ranges

GAMA News, Feb. 24, 1987, for 1985 AFUE ranges

LBNL for average shipped AFUE

GAMA, Consumer's Directory of Certified Efficiency Ratings, May 2004, p. 12 and 72-73 for 2004 best-available AFUEs

GAMA Consumer's Directory of Certified Efficiency Ratings for Heating and Water Heating Equipment, May 2007

GAMA Tax Credit Eligible Equipment: Gas- and Oil-Fired Furnaces 95% AFUE or Greater, May 2007

GAMA AFUE press release 2006: U.S. shipments of gas warm-air central furnaces