The highly efficient devices are the darlings of the environmental movement. Here’s why. By Hilary Howard Heat pumps, which both warm and cool buildings and are powered by electricity, have been ...

Heat pumps are some of the most energy efficient heating systems available today. They’re also eco-friendly HVAC options because they don’t burn gas or oil, and they use far less electricity than ...

Some homeowners looking to switch out their heating and cooling systems are turning to home geothermal — also known as ground source — heat pumps. It's a technology that relies on a simple physical ...

— Recommendations are independently chosen by Reviewed's editors. Purchases made through the links below may earn us and our publishing partners a commission. For thousands of years, before climate ...

Geothermal energy taps into heat beneath the Earth’s surface to generate electricity or provide direct heating. Unlike solar or wind, it never stops. It runs around the clock, providing consistent, ...

Micah Parkin wanted to quash her home’s carbon pollution to help fight climate change. So she took a familiar step among climate-inclined homeowners: She got a heat pump — just not the typical variety ...

An unlikely partnership between a utility and climate activists managed to convert a community to geothermal heating and cooling. Science correspondent Miles O'Brien reports on this project for our ...

Cudahy resident Morgan Gottschalk sees gas and electric prices only going up, so he’s building a home that will have no gas lines and will generate most of its own electricity. How? Through geothermal ...

Outside of Round Hill, Va., Gary Breads's rural home overlooks fields and forests that fold into the foothills of the Blue Ridge Mountains. Large windows across the back of the yellow French ...

Dear EarthTalk: Why are ecologists so bullish on “enhanced geothermal” power plants, and how do they differ from regular geothermal? – Paul Berman, Milwaukee, WI Geothermal energy is energy derived ...