With Amazon's assistant and built-in HomeKit support, along with satellite sensors that detect not only the temperatures of the different rooms, but also the people in them, the ecobee SmartThermostat is a very good smart thermostat. We just want to be smarter and use batteries for backup power.
$ 240 on Amazon
Pros
- -HomeKit enabled
- Works with Google Assistant
- Amazon Alexa support through built-in microphones
- Remote sensor included with thermostat
- The remote sensors detect both the temperature and the degree of charge of the camera
Versus
- Don't learn from your behavior
- Only with wire supply
What makes the Nest Thermostat stand out is its ability to learn temperature preferences and set an automatic program accordingly. It also works with Amazon Alexa and Google Assistant to make manual changes using voice only. The nest is restrained by its lack of HomeKit support, as well as sensors that are not as functional.
$ 211 on Amazon
Pros
- Learn your behavior by creating an automatic heating and cooling program
- Works with Amazon Alexa
- Works with Google Assistant
- Both wired and battery powered
Versus
- Without HomeKit support
- Remote sensors only detect the temperature