|Ground Source Heat Pumps||<– Date –> <– Thread –>|
|From: Jeffrey O. Hobson (johobsonwheel.ucdavis.edu)|
|Date: Mon, 28 Nov 94 14:57 CST|
Hey folks, some late-breaking news on Ground-Source Heat Pumps. According to the September 1994 edition of _Energy Design Update_, some of the DX systems (ones which use refrigerant, not water, as the heat exchange medium) are having troubles with high energy costs and poor performance. EDU specifically mentioned those manufactured by US Power systems, and installed by Baltic Engineering of Saco, Maine. They indicate that the problem is probably with the ground-loop heat exchanger design. The same EDU issue also lists several manufacturers involved in GSHP production, a DX GSHP water heater, and a "Dual-source" (ground & air) heat pump - possibly cheaper than other GSHP's. To get a reprint, contact: nednisson [at] energy.com EDU editor OR Cutter Information Corp. (Circulation office) 37 Broadway, Suite 1 Arlington MA 02174-5552 617-641-5118 800-964-5118 The article lists addresses of several heat pump manufacturers. Jeff Hobson
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