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by starlust2 1523 days ago
I've wondered whether you could pump heat from a solar panel into a swimming pool.

I've seen systems where heat from A/C is used to heat swimming pools. Mostly just needs an extra exchanger on the A/C coolant line that transfers the heat to the pool water. You generally run both system at the same time when it's hot out. (assuming you are fortunate enough to have a pool)