Heat pumps Hohman, John creator author. Air Conditioning Contractors of America PHCC Educational Foundation Refrigeration Service Engineers Society text Electronic books. at 2012 2012 monographic eng 1 online resource (379 pages) : illustrations, photographs John Hohman ; Air Conditioning Contractors of America, PHCC Educational Foundation, Refrigeration Service Engineers Society. Includes index. Heat pump TH7638 .H646 2012eb 621.4025 Hohman, John. Australia : Delmar Cengage Learning, c2012 xix, 358 pages 2011925449 9781305089242 (e-book) http://site.ebrary.com/lib/rucke/Doc?id=11007054 http://site.ebrary.com/lib/rucke/Doc?id=11007054 CaPaEBR 150131 ebr11007054 eng