Prepare for warmer temperatures and save with a smart home thermostat.
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Honeywell Home

ElitePRO™ S1100 Smart Thermostat

SKU: THX1100B4/U

This smart thermostat works with residential and commercial systems up to 4H/2C heat pump or 3H/3C conventional>

Pro Install
Works with First Alert App
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Honeywell Home

ElitePRO™ S1100 Smart Thermostat

SKU: THX1100B4/U
Pro Install
Product Overview

Product Overview

  • Works with residential and commercial systems up to 4H/2C heat pump or 3H/3C conventional
  • Control up to 2 IAQ devices1 with configurable outputs
  • Monitor indoor humidity, VOC, and estimated CO2
  • Expandable application coverage and simplified installation with use of equipment interface module¹ (EIM)
  • Compatible with dual fuel, fan-coil, PTAC, and radiant systems
  • Advanced occupancy detection helps save energy
  • Redlink™ 3.0 technology connects wirelessly with Room Sensors (temp, humidity, & motion), EIM, and Outdoor Sensors (temp & humidity)
  • Prioritize the comfort of the room of choice with remote Room Sensors2
  • 5-year warranty

1Additional equipment or accessories may be required
2Sold separately

Features

ElitePRO™ S1100 Smart Thermostat

Advanced Feature 1

Save energy

ENERGY STAR® certified to help save energy and eligible for utility rebates

Advanced Feature 2

Always connected

Adjust settings from anywhere and receive important alerts using the First Alert® app

Advanced Feature 3

Room Sensor compatible

Help prioritize the comfort of the room of choice and reduce hot and cold spots with a Room Sensor (sold separately)

Precision comfort and air quality

Comfort is more than just the perfect temperature, maintain optimal indoor air quality (IAQ) with humidity and ventilation control to keep air fresh1

1Additional equipment or accessories may be required

Advanced occupancy and presence detection

Smart thermostat senses and adjusts settings to maximize comfort when home and save energy when you're away

Customizable display

A sleek 5 inch display delivers enhanced visibility with the option to choose the color and style to match your home

Specifications

WiFi Yes
WiFi Specifications 2.4 & 5GHz
RedLINK Yes, 3.0
Color Black
Includes ElitePRO S1100 Series Thermostat; UWP® Wall Plate; Decorative Cover Plate with J-Box Adapter; Mounting hardware; Literature
Utility Rewards Yes
Stages Up to 4 Heat/2 Cool Heat Pump systems; Up to 3 Heat/3 Cool for conventional systems
Modes of Operation Heat; Off; Cool; Auto; Emergency heat
Program Type Time-Based or Smart Away; Residential or Commercial
Display Language Display selectable for English, French, or Spanish
Displayed Information Indoor Humidity; Outdoor Temperature; Time; Current Setting; Current Temperature; Thermostat Controls; Down Arrow; Up Arrow
Energy Star Certified Yes
Features Digital Display; ENERGY STAR Certified; Utility Rewards; Air Quality Monitoring; WiFi Connection; Touchscreen Display
Power Source Hardwired
Product Height 3.54 in; 90 mm
Product Width 5.25 in; 133 mm
Product Depth 0.96 in; 24 mm
Product Weight 0.91 lb
Warranty 5 Years
Works With

Our products, apps and services work in harmony with leading smart home ecosystems.

Google Home Google Home
Amazon Alexa Amazon Alexa
Apple Home Apple Home
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Take it all with you

The First Alert app connects what matters most and puts homeowners in control. Powered by Resideo’s family of brands, the app offers complete management of the home’s security, safety, comfort, and water leak detection in one convenient location.​

Connect the smart thermostat to remotely control temperature and settings while at home or on-the-go. Using the app, homeowners can set schedules and opt-in to advanced energy features that help save on energy and utility costs. Consumers can even receive important alerts, like change filter reminders or IAQ notifications, for easy management.

Learn More

Download on App Store Get it on Google Play

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