Consumers' directory of certified efficiency ratings for residential heating and water heating equipment (GAMA Directory).
Series: GAMA Directory
Publisher: Gas Appliance Manufacturers Association
Place of publication: Arlington, VA
Language: eng
Subjects: HEATING EQUIPMENT.
Other titles: Consumers' directory of certified efficiency ratings for heating and water heating equipment.
Notes: Paper edition no longer published.  Two updates a year (April & October) are published electronically and available on the web.

Supersedes: Consumers' directory of certified furnace and boiler efficiency ratings.