Heat pumps for homes
Subtitle: a guide for decisions
By: [prepared by John B. Hermannsson].
Contributors: Oregon State University. Extension Service.
Series: Extension circular / Oregon State University Extension Service -- 975 [i.e. 977]; Extension circular (Oregon State University. Extension Service) -- 977.
Publisher: Oregon State University Extension Service
Published: 1979
Place of publication: Corvallis, Or
Language: eng
Subjects: Heat pumps.; Dwellings -- Heating and ventilation.; Dwellings -- Energy conservation.
Notes: Title from caption.

"October 1979."