Germany’s Vaillant has developed an air-source heat pump that uses propane (R290) as the refrigerant. It can produce between 3.5 kW and 12 kW of heat, and domestic hot water to a temperature of up to ...

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Last week we talked about using air source heat pumps to efficiently heat ...

The residential heating and cooling industry is facing unprecedented regulatory changes from both federal and state mandates. Government leaders from 24 states have instituted ambitious residential ...

A heat pump doesn't generate heat; it transfers it from one place to another. It's an appliance with a bright future in an ...

When you think about cutting your utility bill, your mind probably jumps to energy-guzzling appliances like your fridge, TV or washing machine. But here’s something you might not realize: your water ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Researchers at the Technical University of Denmark have investigated how large-scale air-to-water heat pumps could be combined with PV-powered district heating systems with the aim to reduce the ...

Heat pump water heaters have been around for decades, but it’s only recently that they’ve emerged as a go-to for energy efficiency. More households are opting for heat pump water heaters than ever ...

OFF THE GROUND: Mounting an air-to-water monobloc system at least one foot off the ground is recommended to help prevent debris, snow, and other undesirables inside the unit’s inner workings. August ...

A heat pump water heater uses a heat pump to heat water for home use. It can replace traditional water tanks fueled by electricity, gas, propane, or oil, as well as tankless water heaters. Along with ...