The basic components and function of a thermostatic expansion valve (TXV) continues to play a role in HVAC service. “Long, long ago in a faraway place, TXVs had very little impact on service ...

Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control. Find ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...