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 ...

As homeowners look to stay comfortable and control costs this winter, a new generation of smart thermostats is stepping up.

In addition to remote app control, these thermostats also let you quickly set schedules and can give you insights into the efficiency of your home's heating or cooling. To help you find the best ones ...