Consumers' directory of certified furnace and boiler efficiency ratings.
Series: GAMA Directory
Publisher: Gas Appliance Manufacturers Association.
Language: eng
Number of pages: 1987
Notes: SUPERSEDED BY: Consumers' Directory of Certified Efficiency Ratings for Residential Heating and Water Heating Equipment. REF TH 7470 C68 LIB HAS:  (4/84, 10/84, 4/87, 10/87) Keep all issues for historical reference.