Thermostats

What's behind our thermostat Ratings?

Experts at our National Testing and Research Center tested 15 models in thermostats to see which ones perform best.
We look for:
  • Overall score
    This is based mainly on temperature performance, programming ease, and display visibility. The displayed score is out of a total of 100 points.
  • Temperature
    The ability to maintain steady temperatures based on the difference when the thermostat turns the heating or cooling system on and off. Temperatures for highest scorers varied by just over 1degree F; lowest by about 5 degrees F.
  • Programming
    Denotes ease of setup and making routine adjustments and changes to setback programs, including overrides.
  • Display
    Includes clarity at arm's length (2 feet), in subdued room light, while lighted and unlighted, and at night.

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Recommended thermostats

Recommended thermostats are standout choices with high scores. They include CR Best Buys, which offer exceptional value. When narrowing your choices, weigh features, price, and attributes that matter to you.

Thermostat buying guide

Thermostat buying guide

Programmable thermostats can help save energy by automatically raising or lowering temperatures at night and when you're away. But confusing controls on some can make it easy to burn more energy than you bargained for.

... Read more

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