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this post was submitted on 16 Oct 2026
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Heat pumps are the most efficient way to heat or cool a house as well as year round hot water heating. Most people find it pays back within a few years especially if they have solar.
They are very efficient indeed! But we have the windows open for 75% of the year, closed for 10%, and only turn the HVAC on the the remaining 15%. It unfortunately does not pencil out for me. However, when my existing system kicks the bucket, you bet your ass I'm going all electric!
Don’t forget the hot water. A big drain on electricity. Heat pumps are really cost effective for that, only beaten by solar collectors (if you have the roof space).