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They are air to air. The hydronic heat pumps are not common in the US AFAIK, but I’d love to hear if anyone has found an affordable solution.
by twobitshifter 4y ago
They are air to air. The hydronic heat pumps are not common in the US AFAIK, but I’d love to hear if anyone has found an affordable solution.
- hedgehog 4y agoThey are less common but available, I have just recently been looking at options that will do combined hydronic heat and hot water for the taps. The hardware isn't too expensive but the labor for that kind of install can be a lot (highest number I got estimated was $60k).