Hand holds a phone with the Nest app next to a Nest thermostat on a screen indicating HVAC running time - oasisamuel/Shutterstock For many homeowners, smart thermostats are worth the hype, as they let ...

It’s never too late to start thinking about your home’s energy consumption and how you can improve its efficiency. Since the U.S. Department of Energy calculates that heating and cooling account for ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. The new thermostat's use of the Google Home app is notable.