The Aquarea DHW Heat Pump utilizes propane as the refrigerant and is reportedly able to reach maximum temperatures of 65 C. The standalone unit supports PV contact and is compatible with external ...

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 deliver ...

New energy storage research from NREL, a U.S. Department of Energy national laboratory, has demonstrated a way to store and ...

In 1994, a young technician faced his fears when tasked with a daunting geothermal startup. A call for help and some compassionate guidance turned doubt into success.

Learn how to keep cool in the summer months with our handy top tips for staying cool and useful heatwave advice.

In this ultimate buying guide, you will find all the best hot water pressure washers that worth your money. Check them NOW!