While both systems offer an alternative heating system to fossil fuels, how do they compare? We explore the main differences ...

The simplest way to understand a heat pump is that it uses electricity to gather heat from one place and move it to another.

Germany’s Ait Group has introduced residential ground-source heat pumps using less than 150 grams of propane, based on results from the Fraunhofer ISE LC150 research project. The new systems ...