Sensi Lite smart thermostat vs Sensi Smart thermostat

The Sensi Smart thermostat is the better overall pick, with a higher owner rating, humidity sensing, Apple HomeKit support and a larger 5-inch display. The Sensi Lite smart thermostat's advantage is a lower price for a simpler, temperature-only setup.

The Sensi Smart thermostat adds humidity sensing, Apple HomeKit and a 5-inch display, while the Sensi Lite smart thermostat is stripped down to a 2.25-inch monochrome LED with temperature-only sensing and no HomeKit, in exchange for a lower price. Both share a 3-year warranty and automatic scheduling.

Only the Sensi Smart thermostat supports Apple HomeKit, alongside Google Home, Alexa, SmartThings and Home Assistant. The Sensi Lite smart thermostat works with Google Home, Alexa, SmartThings and Home Assistant, but not HomeKit.

Yes. Both the Sensi Lite smart thermostat and the Sensi Smart thermostat carry a 3-year warranty and support manual and automatic scheduling, energy-saving features and voice control through connected assistants.

Budget or first-time buyers on a standard single-stage system who want the lowest-cost Sensi with app control, automatic scheduling and a 3-year warranty, and who do not need humidity sensing, a color screen or HomeKit.

Buyers who want a well-rated Sensi with a large readable display, temperature and humidity sensing, an optional trim plate and Apple HomeKit support in addition to Google Home and Alexa.