Many technicians believe the only way to verify refrigerant charge on a heat pump in heating mode is to recover the existing refrigerant charge and weigh in the factory charge. However, most ...

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 ...

Heat pumps are having a moment in the spotlight—or as close to one as a heating and cooling appliance can get. Whether it’s ducted heat pumps, mini-splits, or even geothermal systems, there’s a buzz ...

A heat pump heats and cools your home, functioning like a combined furnace and central air conditioner. Because they absorb and move heat from the air, heat pumps are exceptionally energy-efficient ...