
T9 Smart Thermostat
Smart home comfort made simple with the Honeywell Home T9 Smart Thermostat
With a Honeywell Home T9 Smart Thermostat with remote sensor and WiFi connection capabilities, you can take your home’s comfort to the next level. Focus on the rooms you choose by adding smart Room Sensors and setting a schedule that works for your lifestyle. Help ensure comfort and sustainability with an ENERGY STAR® certified smart home thermostat you can count on for consistent, balanced temperatures.
Upgrade to efficiency
The T9 Smart Thermostat with room sensors champions energy efficiency and sustainability. Utilizing smart scheduling, energy savings programs, and boasting an ENERGY STAR® certified status, this advanced home thermostat empowers you to conserve energy throughout your household.
Technology tailored to you
With Smart Response® & geofencing technology, our smart home app dynamically adjusts the temperature in response to your movements by promptly sensing whether you’re inside or outside the designated area. Additionally, you have the flexibility to establish a personalized thermostat schedule with your lifestyle, enabling energy savings while you’re away and ensuring comfort when you’re home.
Simple compatibility
Let us do the work for you. Do a quick check to see if the T9 Smart Thermostat will work with your home’s system.
Need support installing? Contact a local professional for a consultation, installation, and pricing. Contact a pro if you have: Line voltage (120/240 VAC) | Dual Fuel | Fan Coil | 2-Wire heat-only | Humidity or ventilation control
Connecting a new device?
If you are new to the Resideo family of brands or adding to your network of devices, please visit our support center for additional information and help with our apps.
Monthly home energy reports
Track your heating and cooling trends and compare your energy usage to similar homes in your area. Get tips to help you reduce your energy use and make your home more efficient and help save on your bills. See Monthly Report
Get a rebate from your utility
Connect your Honeywell Home thermostat to your utility to earn rewards. Earn money for using less energy when others are using more. Search rebates
Easy install
Installing a T9 Smart Thermostat is a DIY project that can make your life easier. Feed your wires into the lettered ports of the wall plate, close the plate and snap your T9 onto the wall. Then, the T9 will self-configure, guiding you through a simple setup. Watch how to install







