Don't let an old thermostat suck the energy (literally!) out of your home. Upgrade to a smart, easy-to-program, and energy-efficient thermostat, such as the Nest Thermostat, $246.95 at Amazon. They're ...

The Amazon Smart Thermostat is our favorite overall smart thermostat. It's affordable, easy to install and simple to use in the Alexa app -- or with Alexa voice commands. That said, the Ecobee3 Lite ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. The very affordable Amazon Smart Thermostat lets you ...