The Best Smart Thermostats

Our editorial team has been evaluating smart thermostats for American consumers for over three years. The market evolves faster than most buyers realize: new products launch quarterly, existing models receive updates that materially change their performance, and price adjustments at U.S. retailers can turn a marginal product into a strong value or a former recommendation into an overpriced option.

For this evaluation cycle, our team tested 8 products over four weeks. Every product was purchased at U.S. retail price from standard consumer channels, tested under identical conditions using calibrated equipment, and scored independently by at least three panelists whose evaluations were averaged to minimize individual bias. Our scoring system weights five criteria — performance, build quality, features, battery life, value — calibrated to reflect each criterion’s real-world importance for the average American buyer.

Ecobee Smart Thermostat Premium by Ecobee earned our top recommendation with the strongest overall combination of performance and build quality among all 8 products in our test group. The gap between our top pick and the second-place finisher was large enough that our editorial team is confident in this recommendation for the majority of American consumers.

How Our Editorial Team Evaluated

Every product in this evaluation was tested using a consistent protocol designed to produce scores directly comparable across products and evaluation cycles. Our editorial team measures performance, build quality, features using calibrated instruments, and assesses battery life and value through structured panel evaluations.

All 8 products were purchased at full U.S. retail price and tested under identical conditions. Each product was run through our complete test battery at least three times on different days. Products showing significant variance between runs were flagged for additional testing.

Final scores are weighted averages, with weights assigned based on reader surveys about which product characteristics matter most to American consumers.

Why It's Our Top Pick for American Consumers

With an overall score of 9.4 out of 10, our editorial team recommends Ecobee Smart Thermostat Premium by Ecobee as the clear top choice for American consumers. It scored 8.9 in performance — the highest individual score across all 8 products — and backed it up with 9.8 in build quality.

The product’s strength lies in avoiding the tradeoffs that compromise most competitors. Ecobee Smart Thermostat Premium delivers top-tier results in every criterion our editorial team measures.

Alternatives Worth Considering

Two other products merit consideration. Our second-place finisher scored within a point overall and represents the better choice for households valuing value above all else — nearly identical performance at a lower U.S. retail price.

The third product worth considering took a different design approach, sacrificing some performance to deliver a unique combination of features and aesthetics.

Who Should Buy This Product

This product is ideal for American consumers who have done research, understand the category, and want to make a confident purchase. It is the product our own editorial staff uses.

For gift buyers, Ecobee Smart Thermostat Premium is a safe and impressive choice — premium packaging and build quality that conveys quality immediately.

Product Specifications

The Bottom Line

Ecobee Smart Thermostat Premium by Ecobee earns our top pick with 9.4 compared to a category average of 7.6. In a category with 8 competitive products, that kind of dominance is rare.

The bottom line for American consumers: if you want the best based on actual testing data, buy Ecobee Smart Thermostat Premium.