Sensi Smart WiFi Thermostat

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.

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Designed to keep you fully connected

Sensi smart thermostat was designed to function seamlessly with your phone for comfort control on your terms.

Sensi Programmable WiFi Thermostat - Energy Star certified
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Traditional Footprint

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


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No C-Wire

A common wire (c-wire) is not required for most systems*, simplifying installation.


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Smart Alerts

Receive email alerts when Sensi notices problems with home heating and cooling.


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Energy Usage

Monitor your home's monthly energy usage in the mobile app and with our monthly usage report email.


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Wi-Fi Connection

Easily connect your Wi-Fi thermostat and control your temperature settings from your mobile device.


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Humidity Monitoring

Featured on-screen and in the mobile app to keep you fully aware of your home's air quality. 

Easy DIY Installation

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.

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Download the Sensi app

Access the Sensi smart Wi-Fi thermostat from a smartphone or tablet to control your home environment even when you’re far from it.

Get a feel for our easy-to-use app

Our top-rated app gives you remote access to your thermostat from anywhere.

Sensi App cool
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Top-rated

Available for iOS and Android.

Geofencing Icon

Geofencing

Uses your smartphone’s location to automatically adjust your thermostat.

Wifi Icon

Remote access

Set, change and program your home comfort from anywhere.

Schedule Icon

Flexible scheduling

Program a schedule for each day of the week that fits your lifestyle

Weather Icon

Local weather

Get easy weather updates.

Usage Report Icon

View Usage

Monitor current day and historical heating, cooling and fan runtimes right in the app. 

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Color shift

App changes color to let you know at a glance whether your system is heating or cooling.

Alert Icon

Monitor HVAC system

Get smart alerts to help detect extreme temperatures & humidity levels or loss of heating/cooling.

Heat and Cold Icon

Auto changeover

Automatically adjusts between heat and cool mode to keep you comfortable.

Pad Lock Icon

Keypad lockout

Keep your perfect settings on lockdown by disabling changes from the thermostat.

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Circulating fan

Helps maximize comfort and balance temperature throughout your home by increasing air circulation.

Lite-Front

sensi smart

Sensi Touch 2 smart thermostat

Sensi Touch thermostat

  Sensi Lite   

An affordable smart thermostat with a modern look

Sensi smart 

A universally compatible smart thermostat with a traditional thermostat look

Sensi Touch 2 

A sleek smart thermostat compatible with optional room sensors

Sensi Touch

A 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
Google Home
Samsung SmartThings

Amazon Alexa
Google Home
Samsung SmartThings

Amazon Alexa
Google Home
Samsung SmartThings

Amazon Alexa
Google Home
Apple HomeKit
Samsung SmartThings

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.

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