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Sensi™ Smart Thermostat

SKU: ST55U
Price: $129.00
Your Price: $54.00
Here's why:
  • National Grid Instant Rebate: $75.00
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ENERGY STAR® certified product.
Before you purchase this thermostat, please make sure it is compatible with your HVAC system. Check compatibility here. Incompatible thermostats will not be eligible for a return. View our return policy.
Limit of 2 thermostats per customer, per year
Make your smart thermostat even smarter with ConnectedSolutions.

Enroll to earn a $25 instant incentive, and an additional $25 annual incentive for every thermostat connected to a natural gas boiler or furnace.

Learn more

man holding a tablet changing his thermostat's temperature with an app
The Sensi Wi-Fi Thermostat was designed to function seamlessly with your phone for comfort and control on your terms.

From across the room or across the country, you can use the intuitive app to remotely control and schedule your home comfort – Anytime. Anywhere.

Father and son playing on the living room floor with the Sensi thermostat on the wall in the background
The ENERGY STAR® certified Sensi thermostat helps you save on your HVAC energy costs, with features like geofencing, 7-day flexible scheduling, remote access and in-app system usage.

energy star badge

Takes up the same space as a traditional thermostat so you don’t have to patch your wall or paint.

Order the wall plate for an even more flexible and finished-looking installation.

Avoids any extra work painting or patching the wall thanks to the standard thermostat size.

 

The Sensi install on wall in a living room


Monitor your system usage right in the app
Integrates with smart home platforms
7 day flexible scheduling and geofencing
You can feel confident and comfortable about installing Sensi Wi-Fi thermostat yourself. No experience required.

Go to the Compatibility Checker

 

Most install in 30 minutes or less*. Some system types require a common wire
Check compatibility using the Sensi mobile app

View Instruction Details

*Based on surveyresults of 2,120 respondents that purchased and install a Sensi thermostat in 2018, approximately 70% reported installing in 30 minutes or less.

This thermostat may require a C wire.

View C wire Kit to learn more

ENERGY STAR PARTNER® OF THE YEAR 2021 and Editor’s Choice BEST VALUE SMART THERMOSTAT by USA Today’s Reviewed.com
Features
remote control from phone tablet laptop devices

Controls from anywhere. Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices.

smart thermostat with back-lighting

Includes a backlight perfect for night time or low lighting

Tips to help reduce your energy use

Includes filter reminders and smart alerts. Receive a notification when it’s time to change your filter with service reminders. Detect extreme temperatures and humidity levels in your home with smart alerts.

Filter Change Notifications

Improves air circulation and indoor air quality by helping to regulate temperature and prevent buildup of particles.

Monitors heating cooling and fan reports app

Monitors current day and historical heating, cooling and fan runtimes right in the app with usage reports.

3 year warranty

Offers extensive compatibility and works with the HVAC equipment found in most homes - a c-wire is required for heat-only, cool-only and heat pump systems. Check system and router compatibility.

View Additional Specs

 


We also recommend purchasing the Sensi Touch Wallplate for $5.49 to make for a clean-looking installation.

Shop Wallplates

White Sensi Wallplate
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