Gas furnaces and appliances
Subtitle: sorting through the options
Publisher: Montana Dept. of Natural Resources and Conservation
Published: 1988
Place of publication: Helena, Mont. (1520 E. 6th Ave., Helena 59620)
Language: eng
Number of pages: 40
Subjects: Heating and cooking; Heating and ventilation; Gas; Dwellings; Gas appliances
Notes: "April 1988."

Bibliography: p. 34-36.