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rockies
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# Posted: 21 Sep 2016 07:57pm
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I saw an ad for this in Mother Earth News. Looks very interesting. It uses your existing well.
http://wellconnectgeo.com/
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hueyjazz
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# Posted: 21 Sep 2016 10:03pm
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Well, it's small heat pump.
Not a lot of btu output. 28,050 for the larger unit but running a 15 amp compressor. Assuming you get the tax credit it's $4,600 plus install. Also looks like it is intended to be used as an auxiliary to a primary unit.
I'm thinking a mini split heat pump would be easier
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bldginsp
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# Posted: 25 Sep 2016 09:15pm
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I contacted them and they said a smaller system for my small cabin would cost around $8000 total.
I agree with hueyjazz that an air source split system would be a lot easier to install, and probably a lot cheaper. But, in winter when the air temps get into the 20s or below (F) air source heat pumps are a lot less efficient. They do operate down to 0F these days, though. Ground water is the same temp year round, so a water source heat pump would provide heat efficiently no matter the outside temp.
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