Smart thermostats that save energy and work with your favorite voice assistant.
The ecobee Smart Thermostat Premium is the better pick if you want built-in room sensing and air quality tracking out of the box, while the Google Nest Learning Thermostat wins for households that want a thermostat that quietly builds its own schedule and fits a Google Home setup.
The ecobee Smart Thermostat Premium is our top pick for large homes, since it supports the most remote sensors of any major brand and pairs that with a built-in air quality monitor and voice assistant.
The Google Nest Thermostat (2020) is our top pick for homes without a C-wire, since its power-stealing design works on most 24V systems without an adapter kit at the furnace.
The Google Nest Learning Thermostat (4th Gen) is our top pick for Google Home households, since it's built by Google itself and pairs with the Google Home app and Assistant with no workarounds needed.
The Google Nest Thermostat (2020) is our top pick for renters, since it installs without tools, works on most 24V systems, and lets you swap the old thermostat back in when your lease ends.