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 ...

EPA’s proposed rule may offer short-term flexibility, but industry leaders warn it could trigger HFC shortages and stranded ...

A while back, I addressed the energy savings potentials behind a drain waste heat recovery heat exchanger. It has the potential of reducing energy consumption of residential applications by as much as ...

Outside a 100-year-old house on the edge of the Peak District in northern England, a heat pump’s fan blades are swiftly spinning. They’re drawing outdoor air over coils of refrigerant, harvesting ...