Sensi smart thermostat
Energy savings and data privacy
The award-winning Sensi smart thermostat can help you reduce your energy bill while respecting your privacy.
Best smart thermostat
Sensi is continually voted as one of the best smart Wi-Fi thermostats available. With over 100 years of HVAC experience and made by Emerson, Sensi is a brand you can trust to put on your wall.
Available at your favorite retailer
Select a retailer below to shop for Sensi products
Designed to keep you fully connected
Sensi smart thermostat was designed to function seamlessly with your phone for comfort control on your terms.
Easy DIY installation
You can feel confident and comfortable about installing Sensi yourself. The Sensi smart thermostat does not require a common wire (c-wire) for most systems and our easy-to-use app will walk you through the step-by-step process quickly.
Download the Sensi app
Our thoughtfully designed app will be your guide through the installation process. Be sure to download the Sensi app before getting started.
Fast & easy
Designed to be installed quickly with no need for patching or painting thanks to the traditional thermostat design.
System compatibility
Sensi is designed to work with most heating and cooling systems (including heat pump). Check your compatibility.
Access the Sensi smart Wi-Fi thermostat from a smartphone or tablet to control your home environment even when you’re far from it.
Seamless smart home integration
A Sensi thermostat works directly with the most popular smart home systems on the market — including Amazon Alexa, Google Assistant and Samsung SmartThings. Plus you can voice control your home's temperature using assistants like Apple's Siri, Google Home and Amazon Alexa.
Energy efficient smart thermostats like Sensi can save about 23% on your HVAC energy bills, helping to reduce your monthly energy costs. You can also take advantage of special rebates offered by your energy provider to help reduce the initial cost of your thermostat.
Get a feel for our easy-to-use app
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Sensi LiteAn affordable smart thermostat with a modern look | Sensi smartA universally compatible smart thermostat with a traditional thermostat look | Sensi Touch 2A sleek smart thermostat compatible with optional room sensors | Sensi TouchA modern smart thermostat with an easy to use touchscreen interface | |
| MSRP | $89.99 | $129.99 | $209.99 | $169.99 |
| C-Wire | Not required for most systems | Not required for most systems | Required for all systems | Required for all systems |
| Works with Sensi Room Sensors | ✓ | |||
| Screen Type | LED | LED | Touchscreen LCD | Touchscreen LCD |
| Annual Energy Savings | About 23% | About 23% | About 23% | About 23% |
| Data Privacy Protection | ✓ | ✓ | ✓ | ✓ |
| Keypad Lockout | ✓ | ✓ | ✓ | ✓ |
| Geofencing | ✓ | ✓ | ✓ | ✓ |
| Programmable Schedule | ✓ | ✓ | ✓ | ✓ |
| Smart Alerts | ✓ | ✓ | ✓ | ✓ |
| Humidity / De-humidity Control | ✓ | ✓ | ✓ | |
| Smart Home Compatibility | Amazon Alexa | Amazon Alexa | Amazon Alexa | Amazon Alexa |
| DIY Installation | Buy Now | Buy Now | Buy Now | Buy Now |
| Pro Installation | Find a Pro Installer | Find a Pro Installer | Find a Pro Installer | Find a Pro Installer |
| Models | ST25, ST25U 1F76U-22WFB | ST55, ST55U 1F87U-42WF, | ST76, ST76U, ST76W 1F96U-42WF, 1F96U-42WFB | ST75, ST75S, ST75U, ST75W, 1F95U-42WF, 1F95U-42WFB, 1F95U-42WFS |
*Conventional heating and cooling systems do not require a common wire, but heat only, cool only, and heat pump systems do require a common wire. Check your compatibility here.
