EDITORS CHOICE BEST OVERALL SMART THERMOSTAT by USA Today’s reviewed.com SAVE ABOUT 23% ON HVAC ENERGY*: By adjusting the temperature using flexible scheduling, remote access, and geofencing, Sensi customers saved about 23% on HVAC energy usage. Humidity range is 0% to 100% RH MOST INSTALL IN 30 MINUTES OR LESS**: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation. Skip any extra work painting or patching the wall thanks to the standard thermostat size. COMPATIBILITY REQUIRES C-WIRE: Extensive compatibility*** with HVAC equipment found in most homes. ALL system types require a common wire (C-WIRE). To check system and router compatibility, refer to our online compatibility resources at sensi.emerson.com/compatibility SMART HOME COMPATIBLE: Works with Amazon Alexa, Google Assistant, Apple HomeKit, and Samsung SmartThings smart home platforms. USAGE REPORTS: Monitor current day and historical heating, cooling and fan runtimes right in the app. GET REBATES: Find utility rebates in your area through the rebate finder at sensi.emerson.com/rebates. Show More