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  • Welcome to ‘just right’- Works with Smart Room Sensors to focus on the rooms you choose by setting a schedule, or let the sensors focus on rooms people are in.
  • Auto Home and Away Mode- Using location-based geofencing, the T9 can sense when everyone’s out of the house, adjusting temperatures to help you save energy.
  • Help save energy- See your energy use in a Monthly Energy Report, and connect with your utility for rewards and efficiency.
  • Simple install for a DIY project- The T9 intuitively identifies your home’s heating and cooling type, guiding you through a simple setup, and making it easy to do it yourself.
  • Control it your way- Control the T9 using the Honeywell Home app or through Alexa, Apple HomeKit, Google Assistant, and more.
  • Easy-to-use app- The Resideo app gives you access to control your Wi-Fi thermostat anytime, anywhere.
  • Smart alerts help you worry less- Know if temperatures go below your threshold, and when to change your air filter.
  • Monthly Energy Reports- Track your heating and cooling trends and get tips on reducing energy use.
  • Efficiency and rewards- The T9 works with utility programs across the US to bring you even more savings.
  • More insights about your home- Each sensor will report on temperature and humidity, all within the Resideo app.
  • Smart response and alerts- Intelligently learn your home’s heating and cooling patterns to deliver the right temperature at the right time.


  • Brand: Honeywell
  • Color: White
  • Control Type: Phone Controlled, Touchscreen
  • Heating & Cooling System Type: 2 Stage
  • Power Options: Phone Controlled, Touchscreen
  • Smart Home Protocol: Wi-Fi
  • Works With: Alexa, Google Assistant, IFTTT
  • Voltage: 24 V
  • Wire Configuration: 4-Wire