Heat pumps
By: written by Steve Denner and Ted Haskell ; illustrations by Leslie Holmes.
Contributors: Haskell, Ted.; Washington State Energy Office.; Washington Energy Extension Service.
Series: Fact sheet -- EY 5302.; Fact sheet (Washington Energy Extension Service) -- EY5302.
Publisher: Washington State Energy Office; Washington Energy Extension Service
Published: 1981
Place of publication: Olympia, Wash. (400 E. Union, Olympia 98504); [Seattle]
Language: eng
Subjects: Heat pumps.
Notes: Caption title.

Funding provided by U.S. Dept. of Energy and the Bonneville Power Administration.

"May 1981, reprinted December 1982."

Bibliography: p. 9.