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 ...

There is an old business adage that goes, “If you are not measuring it, you are not managing it.” Here are ways we measure water usage. Suppose you get your water through a common distribution system ...

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When is the best time to buy a new water heater? Hint: It’s not when the one you have fails. But that’s what many homeowners end up doing. They notice a leak—or worse, they’re surprised by a flood—and ...

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 ...

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💡 ...