Brands claim up to 26 percent savings on heating and cooling bills, but the EPA estimates approved smart thermostats can save households about 8 percent, or $50 a year.
Smart thermostats tweak your house's heating and cooling based on habits, using motion sensors and Wi-Fi to optimize energy use when you're not home.
Turning the heating or cooling back by seven to 10 degrees Fahrenheit during the eight hours you're out can slash up to 10 percent from your utility bill.
The ability to adjust the thermostat remotely, especially after returning from a trip, enhances convenience and energy efficiency for users.
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