Emerson Sensi Wi-Fi Thermostat

Emerson Sensi Wi-Fi Thermostat

Keeps You Connected and in the Know No Matter Where You Go
  • Installs and operates like a standard thermostat when not connected to Wi-Fi
  • App changes color to show if the system is heating or cooling
  • Compatible with Apple HomeKit, Amazon Echo, Google Assistant, ecoVent and Wink
  • Geofencing option and smart alerts
  • Built-in dual fuel heat pump option

Item #: 49425 IN STOCK - SHIPS TODAY


Add Expert Installation (for 1 Smart Thermostat) $99.00

Professional In-home Installation, Set-up and Training Service - Click for Details

  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • Service FAQ
  • Sensi Wi-Fi Thermostat

    The highly-rated Sensi thermostat is loaded with features designed to make it easier and more convenient than ever to achieve the perfect level of home comfort. From a simple installation process to an intuitive mobile app that allows you to adjust the settings on your thermostat for complete control - Anytime. Anywhere.

  • General
    Manufacturer Emerson
    Manufacturer Sensi
    Manufacturer Product No. ST55
    UPC 683318654648
    Program Options Programmable - 7 Day or Non-Programmable
    Program Periods Per Day Options 8 Max
    Battery Power Rating 0 to 30 Vac, 50/60 Hz or DC
    Terminals RC, RH, C, W/E, W2, Y, Y2, O/B/2, G, L
    3-Wire Zone Valve Connections Yes
    Millivolt Compatible No
    Economizer Connections No
    Humidity Control Displays indoor humidity
    Heat Pump Dual Fuel Control Yes (Remote Sensor Not Required)
    Heat Pump Auxiliary Lockout Control - Outdoor Sensor Option None
    Remote Sensor Options None
    Auto Changeover (Heat/Cool) Yes
    Fan Option Auto, On
    Filter Change Reminder Yes
    Early Start Yes
    Keypad Lockout Total Lockout
    Set-Point Temperature Limits No
    Backlight Yes; Continuous Backlight with Common Wire
    Voltage 20-30 Vac, NEC Class II, 50/60Hz
    Amp Rating 0.05 to 1.5 Amps (load per terminal) 1.5 Amps maximum load (all terminals combined)
    Rated Differential, Universal Heat (Conventional Gas, Oil, Electric): 0.5°F (Fast) 0.75°F (Med) 1.9°F (Slow); Cool (Central Air): 0.9°F (Fast) 1.2°F (Med) 1.7°F (Slow); Heat Pump: 0.9°F (Fast) 1.2°F (Med) 1.7°F (Slow); Aux. Heat: 0.5°F (Fast) .75°F (Med) 1.9°F (Slow)
    Ambient Operating Temperature 32° to 105°F (0 to 40°C)
    Operating Humidity 90% non-condensing maximum
    Shipping Temperature Range -20 to 150°F (-29 to 66°C)
  • Leave a Review

    Only registered users can write reviews. Please, log in or register

    • 1x - Sensi Wi-Fi Thermostat
    • 1x - Thermostat base
    • 1x - Mounting hardware
    • 1x - Quick-start guide
    • 1x - Thermostat base
    • 1x - Wire labels
    • 1x - Security code card
    • 2x - AA batteries
  • HelloTech

    About This Kit

    Professional installation and setup of your new smart thermostat by HelloTech. Our background checked and vetted professionals will install and set up your new smart thermostat. Sit back and relax while we get you up and running.

    Installation Services Included

    • Provide assessment of the installation area
    • Install device
    • Connect device to existing WiFi network and perform first-time set up
    • Install and set up mobile app
    • Demonstrate commonly used features

    Who will do the work?

    WWe've partnered with HelloTech, nationwide provider of tech support services, to offer the option and ease of installation and setup services that you can purchase with any applicable products or as a standalone service to help you get devices up and running.

    How will scheduling work?

    Purchase product and HelloTech in-home installation services and check out. Once you've made your purchase, you'll receive an email from HelloTech with a link to schedule your service at your convenience.

    Backed by the HelloTech Satisfaction Guarantee

    HelloTech provides a 100% guarantee on services for 30 days. If you have any problems with the work performed, simply contact us. HelloTech is committed to your complete satisfaction. If we can't help, you don't pay, that's the HelloTech way.

Please wait...