Harnessing thermal energy from sewage decreases the demand for natural gas and could remove up to 54.7 million metric tons (about 60.3 million tons) of planet-warming gases every year — the equivalent ...

Heat pumps are 3 to 5 times more efficient than gas, fueled-heating systems and electric resistance heating and so can lower ...

Scientists in Switzerland have created a system-dynamics model for the adoption of PV and heat pumps in Swiss residential ...

Experts say this new technology could get help get heat pumps into more homes. Keeping homes comfortable in frigid winters ...

Reliable hot water is critical for restaurants for preparing food and washing dishes and equipment, as well as hand washing. However, water heating is one of the biggest energy users in restaurants.