Part 1 in this series covered defrost cycle problems in heat pumps. Now, let's discuss the second major winter issue: heat pumps stuck in one mode. The customer calls and says the system won't switch ...
BEST PRACTICES: Document and add service information on the invoice: customers appreciate knowing what happened, and then there are records if questions come up later. April 28, 2026 Part 1 and part 2 ...
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