Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are.

Huether explains that blocked air vents force your HVAC system to work harder, increasing energy use by as much as 25 percent. This extra strain not only drives up utility bills but can also shorten ...

70% of systems have faults that waste $2.5 billion in energy each year — smart tools help contractors fix that.

Sheffield, England, heat pump expert Mick Wall is using personal experience to disprove falsehoods that are circulating like ...

The Italian manufacturer said its new WWMG heat pump system has a coefficient of performance of up to 4.98 and an energy efficiency rating of 16.30 BTU/Wh.

Rules of thumb don’t cut it in airtight homes. Here’s how to size, ventilate, and commission for real comfort.