But there's a magic number that the U.S. Department of Energy says is optimal for home heating in the winter: 68 degrees when ...

Our Good Housekeeping Institute experts tested out the best smart thermostats to buy in 2025, so you don’t have to. Shop our ...

The Honeywell Designer Series HPA830 air purifier lacks style and fancy features, but its air-cleaning performance got the ...

Setting the thermostat to 68 degrees Fahrenheit keeps the home warm enough to counteract any heat loss through the windows, ...

Old Nest thermostats that recently lost support still continue to send user data to Google, a security researcher has learned ...

Editor's Note: October 22, 2025: We've reviewed our guidance and recommendations for the best smart thermostats to make sure that everything is accurate and up to date. We're also in the process of ...

Are you thinking of turning the thermostat up? The cooler months are most definitely here and maybe, if you haven’t already, it’s time to finally upgrade to a smart thermostat. But in a crowded field, ...

With over a decade of experience at Which?, Tom covers everything from tech advice to money-saving tips and highlights the best deals during major sales events. Google has officially announced that it ...

As she stands inside a Home Depot where the smart thermostats are located, TikTok user Erica (@ericagbabyxo) asks in the text overlay, “Which smart thermostat would you buy? My husband has 20 years of ...