Geothermal HVAC
by Jay Egg,Brian Clark Howard
ISBN 13: 9780071746106
Format: Hardcover (272 pages) Publisher: McGraw-Hill Professional Published: 01 Nov 2010
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Build Your Own Small Wind Power System
by Kevin Shea, Brian Clark Howard
ISBN 13: 9780071761574
Format: Paperback (512 pages) Publisher: Tab Electronics Published: 23 Jan 2012