Why this made the list

This is the thermostat most people picture when they hear "smart thermostat," and the reputation is earned. It made this list as the auto-scheduling pick, the one that builds its own routine instead of needing one programmed in.

What it actually does

It watches when a household adjusts the temperature manually during the first week or two and starts predicting the schedule on its own, reducing manual input over time. Reviewers confirm it still learns faster than most learning-thermostat competitors, and the Nest app remains one of the best-reviewed in the category for everyday use.

Who this is actually for

Someone who doesn't want to think about programming a schedule and is willing to spend the first week or two manually adjusting the temperature so the thermostat can learn the pattern. It's overkill for anyone who already knows their schedule and would rather just set it once, the standard Nest Thermostat above handles that case for less.

What to weigh before buying

The verdict

The best auto-scheduling thermostat on this list, and the price reflects that one real feature. Skip it if a manually set schedule already works fine for your household.