![](http://www.alamy.com/thumbs/6/5B629610-54DC-4B77-999B-B88EE23516A9/F79TCE.jpg)
Heat pump unit on the side of a home in winter.
Size: 5465px × 3705px
Photo credit: © Island Images / Alamy / Afripics
License: Royalty Free
Model Released: No
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