If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

The pipe that will supply the heat pump, drawing water from the River Rhine in Germany, is so big that you could walk through it, fully upright, I'm told. "We plan to take 10,000 litres per second," ...

We may receive a commission on purchases made from links. With utility bills on the rise, most homeowners are increasingly looking for ways to cut down their power bills. Depending on where you live, ...

It looks a little like a sleek window AC, but a new device from Chinese appliance giant Midea is actually a reversible heat pump that can both cool and heat a home—and it’s designed to heat ...

Compact heat pumps that slot into windows could be a planet-friendly way to efficiently heat and cool apartment buildings without breaking the bank, experts say. While many single-family residences ...

Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are. Mike De Socio is a CNET contributor who ...

Toby Jones as Alan Bates in hit ITV drama, Mr Bates vs The Post Office. Credit: ITV Japanese IT behemoth Fujitsu has been forced to inject £80 million into its UK business, as the fallout from the ...

A heat pump that can be installed in minutes is allowing the city of Boston to quickly decarbonize a public housing complex for the elderly and provide air conditioning as climate change-driven heat ...

Heat pumps date back to the 1850s and are more energy efficient than furnaces or boilers. Image: Schon via Getty Images. Get the Popular Science daily newsletter💡 ...

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