Heating comparison-conversion guide service.

Bibliographic Details
Corporate Author:	Index Creations, Inc
Format:	Book
Language:	English
Published:	Madison, Wis. : Index Creations, 1978-
Subjects:	Heating > Equipment and supplies > Specifications.

Description
Item Description:	Cover title. On spine: Heating blue book. Loose-leaf for updating. Includes index.
Physical Description:	1 volume (loose leaf) : illustrations ; 30 cm.