Is a Geothermal Heat Pump Worth It? My Net Zero Home. Geothermal, or ground source, heat pumps are the most efficient way to heat and cool a home, outperforming air source systems across a wider ...

In this video, I share my experience with a geothermal heat pump that I've had for two years, contributing to my net zero energy goals in my new house. The installation process included drilling a 400 ...