Description: HVAC systems duct design.

Format:	Book
Language:	English
Published:	Virginia : Sheet Metal and Air Conditioning Contractors' National Association, c1990.
Edition:	3rd ed.
Subjects:	Air ducts > Design and construction. Heating > Equipment and supplies. Ventilation > Equipment and supplies. Air conditioning > Equipment and supplies.

Physical Description:	1 v. (various pagings) : ill. ; 28 cm.