Nowadays, when you ask people how to check the charge on a heat pump during low outdoor temps, they will say that you need to “weigh in and weigh out” the charge ...

Bob and Tim are at a job where a customer has damaged a refrigerant line on a heat pump. When they arrive, the line is still blowing a slight amount of vapor from the split in the line. They install ...

Electric vehicles are better than internal combustion engine (ICE) equivalents in many respects, but one challenge they face is providing heat in cold weather. While ICEs are far less efficient than ...

Germany’s Ait Group has introduced residential ground-source heat pumps using less than 150 grams of propane, based on results from the Fraunhofer ISE LC150 research project. The new systems deliver ...

Perhaps you’ve heard: In many places, it’s really very cold out. Deep freezes hit wide bands of the US this week; snow and freezing rain have swept across northern Europe. This is all less than ideal ...