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DIY your smart home with the Sensi smart thermostat. Compatible with most residential HVAC systems and so easy to install—no common wire (c-wire) required in most applications. You can trust Sensi as we do not sell your personal information to third parties. And Sensi comes with the dependable performance and reliability you can count on from our 100 years of HVAC experience.
- TOP RANKED: Awarded Reader’s Choice Best Smart Thermostat by PCMag and Editor’s Choice Best Value Smart Thermostat by USA Today’s Reviewed
- EASY DIY INSTALLATION: Use the built-in level and step-by-step app instructions for quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications
- SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access and usage reports
- FAMILIAR OPERATION: Looks, feels and operates just like a traditional thermostat
- PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties
- SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment and maintenance reminders like filter replacement
- MADE TO FIT: Sensi fits the same space as a traditional thermostat so you don’t have to patch and paint your walls
- RELIABILITY: Includes 3-year manufacturer warranty. 5-year limited warranty for professional installation
- PROVEN PERFORMANCE: Over 100 years of experience and excellence in HVAC
- Smart alerts: Sensi features smart alerts to help detect extreme temperature and humidity levels in your home
Specifications:
Condition: | Open Box | Brand: | Emerson |
Model: | ST55 | MPN: | ST55 |
Color Family: | White | Color/Finish: | White |
Features: | Auto Changeover,Backlit Display,Battery Back-Up,Built-in Wi-Fi,Daylight Savings Time Ready,Low Battery Indicator,Outdoor Temperature Display,Vacation Mode | Includes: | Batteries,Display Base,Mounting Hardware,No Additional Items Included |
Battery Power Type: | Alkaline | Battery Size: | AA |
Control Type: | Manual,Phone Controlled | Features: | Auto Changeover,Backlit Display,Battery Back-Up,Built-in Wi-Fi,Daylight Savings Time Ready,Low Battery Indicator,Outdoor Temperature Display,Vacation Mode |
Heating & Cooling System Type: | 2 Stage | Hub Required: | No hub connection available |
Power Options: | Battery,C-wire,Hardwired | Power Options: | Hardwired |
Shape: | Rectangle | Smart Home: | Smart Home Enabled |
Smart Home Protocol: | Wi-Fi | Smart Technology: | Geo Fencing,Intuitive Scheduling,Smart Home Hub Compatible,Smart Phone/Android App Compatible |
Thermostat Compatibility: | Universal | Thermostat Product Type: | Smart/Wi-Fi |
Thermostat Shape: | Rectangular | Thermostat Type: | Heating and Cooling |
Voice Control Hub Required: | No Hub Required for Voice Control | Voltage (volts): | 24 V |
Voltage Type: | Low Voltage | Wire Configuration: | C-Wire |
Works With: | Alexa, Apple HomeKit, |