The popularity of geothermal heat pumps continues to grow. These days, you can read about them in just about every issue of every HVAC trade publication. They offer a way to provide low-cost heating ...

Geothermal energy, or ground-source heat pumps, which use the earth as a heat sink are getting more interest as people look to cut the cord on fossil fuels. Martin LaMonica is a senior writer covering ...

Researchers at the University of Padova in Italy have proposed to improve the performance of residential air heat pumps with air-geothermal heat exchangers and have found this combination may reduce ...

In a December 2014 Plumbing & Mechanical Hydronics Workshop column, we discussed the benefits of dual-fuel systems that combine a geothermal water-to-water heat pump with a mod/con boiler. The boiler ...

Geothermal heat pumps use the earth's consistent temperatures below the frost line to warm homes in the winter and cool them in summer. Credit: Dave Pape/CC-BY-2.0 Sign up to receive our latest ...