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This: https://ecorenovator.org/forum/showthread.php?t=484 https://ecorenovator.org/forum/showthread.php?t=484 is a homemade heat pump setup, documented over 10+
by trollied 4y ago
This: https://ecorenovator.org/forum/showthread.php?t=484 https://ecorenovator.org/forum/showthread.php?t=484 is a homemade heat pump setup, documented over 10+ years of forum posts. A great read if you have a few hours to spare. 2 million views!