Overall, the best smart thermostat was the Amazon Smart Thermostat, which took a different approach than Nest and Ecobee's flagship premium smart thermostats.

It introduced its first thermostat for just $60, as opposed to the competitors' $249 models.
A good pick is the Amazon Smart Thermostat.It has a modern, minimalist design, is simple to install, and is simple to set up in the Alexa app.This thermostat seamlessly integrates with Alexa-enabled smart speakers and displays because it works with the Alexa app.
If your thermostat's wiring does not already include a C-wire, you will need to purchase and install an Amazon C-wire adapter because the thermostat does not work with Apple HomeKit or Google Assistant.Find out if your existing setup is compatible.Additionally, unlike some of the more expensive smart thermostats, it does not include a remote temperature sensor.Despite this, this is still a great option for a fundamental smart thermostat at a great price.Read our review of the Amazon Smart Thermostat.