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[-] BrightCandle@lemmy.world 3 points 1 year ago

I did the maths on a variety of electrification projects and I can not make a ground source heat pump pay for itself in 25 years. The solar is 7 years and it should last 25 so that is easy, battery storage for power shifting is about 3 years and obviously good on the right tarrif so I did both of those. I think maybe an air to air heat pump could pay for itself but installation is expensive and I have no idea how many zones I really need.

this post was submitted on 17 Jul 2023
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