![](http://www.alamy.com/thumbs/6/382801B6-70E2-40C8-A380-509D4D7EDC50/2AP3N3D.jpg)
geothermal heat pump diagram of detached house
Size: 5000px × 5000px
Photo credit: © Slavomir Valigursky / Alamy / Afripics
License: Royalty Free
Model Released: No
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