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 ...
Gear Patrol on MSN
The best new gadgets and hi-fi releases of 2026 (updated)
Including Sony's affordable turntables, Bowers & Willkins' ultimate bookshelf speaker and Meze's audiophile headphones.
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