Emerson
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4,4 out of 5 ☆☆☆☆☆ ★★★★★
21991 reviews
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61Rl-IZR--L._AC_SL1500_ 61faY6a9BfL._AC_SL1200_ 61nJiXZuSYL._AC_SL1200_

Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55 DIY Thermostat

  • Wi-Fi connectivity
  • Easy DIY Install
  • Works with Alexa
  • Energy Star Certified
  • Programmable settings

DIY your smart home with the Sensi smart thermostat

  • Compatible with most residential HVAC systems — no common wire (c-wire) required in most applications.
  • You can trust Sensi as we do not sell your personal information to third parties.
  • Sensi comes with the dependable performance and reliability you can count on from our 100 years of HVAC experience.
  • With our top-rated mobile app and easy installation process, customers of all comfort levels can make the switch to a Sensi smart thermostat.
  • For more information on compatibility, energy savings, and privacy protection, please refer to the “Product Documentation” section below.
  • PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties
  • EASY DIY INSTALLATION: Use the built-in level and step-by-step app instructions for a 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
  • 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
  • SIMPLE CONFIGURATION: Looks and feels like a thermostat. Has buttons and fits the same space as a traditional thermostat so you don’t have to patch and paint your walls
Brand Emerson
Model Name Wi-Fi Thermostat for Smart Home, DIY Version
Product Dimensions 1"D x 5.88"W x 3.75"H
Controller Type Amazon Alexa, Google Assistant, SmartThings, Vera
Special Feature Auto Changeover, Clock Display, Daylight Savings Time Ready, Fan Control, Filter Indicator
Color White
Specific Uses For Product Air Conditioner, Boiler, Furnace, Heat Pump
Temperature Control Type Programmable, Smart/Remote
Connectivity Technology Wi-Fi
Included Components Thermostat, free mobile app, 2 AA batteries, mounting hardware, wire stickers, installation guide, welcome guide with Sensi code, warranty booklet
Power Source Corded Electric
Item Weight 0.85 Pounds
Voltage 24 Volts (AC)
Material Plastic
Shape Rectangular
Display Type LED
Finish Type Glossy
Screen Size 5 Inches
Control Type Button Control
Control Method Voice
Connectivity Protocol Wi-Fi
Mounting Type Wall Mount
Style DIY
Backlight Yes
Number of Batteries 1 AAA batteries required. (included)
UPC 786710554827
Global Trade Identification Number 00786710554827
Manufacturer Emerson Climate Technologies
Item Weight 13.6 ounces
Department Unisex-Adult
ASIN B01NB1OB0I
Item model number ST55
Batteries 1 AAA batteries required. (included)
Customer Reviews 4.4 4.4 out of 5 stars 21,991 ratings 4.4 out of 5 stars
Best Sellers Rank #3,141 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #11 in Home Programmable Thermostats
Is Discontinued By Manufacturer No
Finish types Glossy
Assembly required No
Number of pieces 1
Warranty Description 3 years.
Batteries required Yes
Import Made in the USA