How to improve the efficiency of your oil-fired furnace.

Bibliographic Details
Corporate Author:	United States. Department of Energy
Format:	Government Document Book
Language:	English
Published:	Washington : Dept. of Energy, Office of Public Affairs, 1978.
Series:	DOE/OPA-0018
Subjects:	Furnaces > Maintenance and repair.

Evans: US Documents (Annex 5th floor)