@bocs @ifixcoinops https://www.energy.gov/energysaver/drain-water-heat-recovery
There are drain water heat exchangers available. But your money's better spent on insulation and heat pumps in most North American houses.
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@bocs @ifixcoinops https://www.energy.gov/energysaver/drain-water-heat-recovery There are drain water heat exchangers available. But your money's better spent on insulation and heat pumps in most North American houses. No comments
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