If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

RSES has added two manuals to its sustainability series: Understanding Geothermal Heat Pump Fundamentals and Understanding Geothermal Ground Heat Exchangers. The company says Understanding Geothermal ...

The basic principle of physics that explains heat pump technology has been in use for centuries. The ancient Chinese used the geothermal power of natural hot springs to heat their homes. However, ...

A heat pump doesn't generate heat; it transfers it from one place to another. It's an appliance with a bright future in an ...

Plenty of homes all over the world, particularly in Europe, get warm using heat pumps and radiators. How does this new heat ...

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. Mike De Socio is a CNET contributor who ...

A heat pump is a low-carbon way to heat your home. It's a sustainable replacement for fossil-fuel heating such as gas, oil or LPG, and can significantly reduce your household's carbon footprint. In ...

A portable heat pump can both heat and cool a room, so you can replace an air conditioner and a space heater with a single unit. Portable heat pumps—sometimes marketed as "portable air ...