this post was submitted on 16 Nov 2025
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@scholar yes, we do this. For warm water, it mak sense, heating - not so much, because you have excess heat during summer. And it is extremely tricky to sync supply and demand. You need stable long term housing contracts...
I think you could do both. Use the heat for both the house and water in the winter. The impact on the water won't be as high, but it'll likely still have a positive impact.
Then in the summer just use the heat for water, maybe even running a recirculating system to keep warm water on tap all the time.
There's a ton of different options for how to implement it for new construction.