Best Smart Home Thermostat 2025 Usa. Best for google smart home integration: Here are the best smart thermostats we've tested.
The best smart thermostats we’ve tested can control your home’s heating and cooling with your phone or voice—and might help you. Out of the models cnet tested in 2025, we’ve found the amazon smart thermostat to be the best overall smart thermostat based on its capabilities and affordability.