Sensi Smart thermostat vs Sensi Touch 2 smart thermostat

The Sensi Smart thermostat is the better overall value, with a lower price and a higher owner rating. The Sensi Touch 2 smart thermostat is the upgrade pick, adding a 4.3-inch color touchscreen, dual-band Wi-Fi and external sensor support.

Display and Wi-Fi. The Sensi Touch 2 smart thermostat uses a 4.3-inch color touchscreen with dual-band 2.4GHz/5GHz Wi-Fi, while the Sensi Smart thermostat has a larger 5-inch but non-touch monochrome display on 2.4GHz Wi-Fi only. Both offer humidity sensing and voice control.

Yes. Both the Sensi Smart thermostat and the Sensi Touch 2 smart thermostat work with Google Home, Alexa, SmartThings and Home Assistant (neither supports Apple HomeKit) and carry a 3-year warranty.

Only the Sensi Touch 2 smart thermostat offers dual-band 2.4GHz/5GHz Wi-Fi and external temperature sensor support. The Sensi Smart thermostat is limited to 2.4GHz Wi-Fi and its own built-in sensors.

Buyers who want a well-rated, lower-priced Sensi with a large readable display, temperature and humidity sensing and a 3-year warranty, and who do not need a touchscreen, 5GHz Wi-Fi or add-on sensors.

Buyers who want a color touchscreen, dual-band Wi-Fi and the flexibility to add external temperature sensors for room-by-room balancing, and are happy to pay a bit more than the Sensi Smart for those features.