This technical primer breaks down defrost control board operation, key components, and practical troubleshooting steps every ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

Your backup heat is supposed to be the quiet safety net in your home’s comfort system, not the star of the show. Yet in many ...

The problem with the heat pump leading Tesla owners to lose heat in extreme cold and the subsequent software fix that Tesla issued has now been revealed in more detail in the new NHTSA recall. Last ...