Cheapest thermostat for Alexa
Amazon Smart Thermostat
By the Plugged-In Home editors · Updated Sep 29, 2026
A low-cost thermostat built with Honeywell, for Alexa homes.
Usually under $100
7.6/10How we score
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Our take
If your home runs on Alexa and you want the cheapest reliable smart thermostat, this is it. Everyone else should look at ecobee or Nest.
Our take
If your home runs on Alexa and you want the cheapest reliable smart thermostat, this is it. Everyone else should look at ecobee or Nest.
What we like
- The cheapest name-brand smart thermostat
- Alexa Hunches can adjust it automatically
- Wall plate included
Watch out for
- Alexa only: no Google or Apple
- Needs a C-wire (adapter sold separately)
- No room sensors
Skip it if you use Google or Apple Home, or need room sensors.
See alternativesSpecifications
- Made by
- Amazon
- Power
- C-wire required (adapter available)
- Works with
- Alexa
- Built with
- Honeywell (Resideo)
Amazon Smart Thermostat
7.6/10Usually under $100
