Here installers fuse the buried pipes and connect them to the heat pump either directly
or through a header.
A 3-ton state-of-the-art gSHP today
costs $15,748 (before federal and local
incentives).
should the gsHP system be
massively deployed, with current
technologies, the total cost of a residential
gsHP system can be reduced by an
estimated 19 percent.
38
January/February 2011
SOLAR TODA Y
solartoday.org
Copyright © 2011 by the American Solar Energy Society Inc. All rights reserved.
requires the least land area, and the horizontal-trench GHX
requires the most land area. While the horizontal-bore GHX
requires as much or more land area than the horizontal-trench
GHX, it can be placed under existing structures without dis-
turbing the surface area above the GHX.
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