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can heat pumps use underground sources as a cold (summer) / hot (winter) source?
by 11235813213455 3y ago
can heat pumps use underground sources as a cold (summer) / hot (winter) source?
- mschuster91 3y agoYes, of course if they're bi-directional. And theoretically, you can also use excess renewable power to heat up the soil in summer and draw on that stored heat in winter.