10 Best Honeywell Home T5 Smart Thermostat of 2026

Why We Love It

Main Highlights

• 
  High use of the scheduling feature of the T5 thermostat saved customers between 8 and 16% on heating and cooling bills. Dollar savings range based on nationwide average annual single-family detached home's heat and cooling bills; actual savings varies based on consumption.
• 
  Save Energy and Get Rewarded. Check with your energy provider about available energy savings rebates to save on your purchase. Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.
• 
  7-Day Flexible Scheduling or Location Based Temperature Control. Its your choice. 7-day scheduling programs your thermostat. Geofence technology helps make you comfortable by using your smartphones location to know when youre away and when you return.
• 
  Auto Home and Away Mode. Enjoy ideal temperatures at home, then save when away.
• 
  ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
• 
  C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
• 
  Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.
• 
  The T5 thermostat is ENERGY STAR certified and you can program it based on your schedule, or let it adapt to your life as plans change

Main Highlights

• 
  Scheduling your heating/cooling cycles to fit your lifestyle is easy to do, with options to program day-to-day, over the weekend, or for an entire week. .Includes : Package includes thermostat and receiver | Thermostat Type : Programmable
• 
  The crystal-clear display on the T5 Touchscreen Thermostat provides a seamless blend of function and style.
• 
  The screen is brightly backlit with a cool blue color and provides an easy-to-read indoor temperature, including indoor humidity readouts.
• 
  For added convenience, reminders to change air filters appear on the screen.
• 
  The advanced design of this thermostat provides maximum comfort by sensing whether your home needs heating or cooling with the Smart Response Learning technology.
• 
  Learns your heating/cooling cycle times to deliver the right temperature when you want it.
• 
  Choice of battery or hard-wire operation wired power source to fit your home.
• 
  Your settings stay saved with the permanent day and time backup in the event of a power outage.
• 
  Compatible with- single stage heating and cooling, multistage heating and cooling, heating only, cooling only, furnace (warm air), central air conditioning, heat pump without auxiliary heat, heat pump with auxiliary heat, hot water, steam or gravity, 750 millivolt, and gas fireplaces.
• 
  Includes : Package includes thermostat and receiver | Thermostat Type : Programmable

Main Highlights

• 
  Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.
• 
  Create comfort zones throughout your home by using select Echo devices or Amazon Smart Air Quality Monitor to automatically adjust heating and cooling based on temperature readings or presence detection.
• 
  Save money - After purchase, Amazon will send you an email with details about rebates that may be available from energy providers in your area. Explore rebates above.
• 
  Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.
• 
  Automatic Control - Alexa can automatically switch between your preferred home, away, and sleep temperatures.
• 
  On-the-go control - Let Alexa set the temperature, or set it yourself from anywhere with the Alexa app.
• 
  You can do it - The Alexa app will guide you through the installation process, but customer service is always available.
• 
  Reliable - Made with Honeywell Home Thermostat Technology and backed by 130 years of experience.
• 
  Create your Alexa+ home: With Alexa+, set routines using just your voice, control multiple devices at once, and chat casually to make requests.

Main Highlights

• 
  COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor.
• 
  SAVE ENERGY AND GET REWARDED by checking with your energy provider about available rebates. Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.
• 
  YOUR SCHEDULE. YOUR WAY. Flexible programming options for your schedule or utility companys peak rate pricing.
• 
  EASY OPERATION AND INTUITIVE. Bright, easy-to-read touchscreen makes for simple operation.
• 
  COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.
• 
  ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
• 
  Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter. Our Air products and services work with you and for you, supporting and creating more comfortable surroundings
• 
  Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.
• 
  Fan Control Options include On: Fan is always on; Automatic: Fan runs only when the heating or cooling system is on; and Circulate: Fan runs randomly about 35% of the time.
• 
  The WiFi Smart Color Thermostat works seamlessly with Amazon Alexa and Google Home, as well as our mobile app, so you can control the temperature from anywhere

Main Highlights

• 
  Up to 3H/2C Heat Pump systems or up to 2H/2C Conventional systems
• 
  Z-Wave Plus certified with improvement in range, battery life, and bandwidth
• 
  Backwards compatibility
• 
  Power comes via 3 AA batteries or hardwired through a C-wire
• 
  Time based 7-day, 5-1-1 or 5-2 day programmable, non-programmable, or occupancy controlled with Z-wave panel/app integration

Main Highlights

• 
  COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor.
• 
  ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
• 
  EASY OPERATION AND INTUITIVE. Bright, easy-to-read touchscreen makes for simple operation.
• 
  YOUR SCHEDULE. YOUR WAY. Flexible programming options for your schedule or utility companys peak rate pricing.
• 
  C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
• 
  COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.
• 
  Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.

Main Highlights

• 
  Save up to 23% every year on heating and cooling costs, adjusts to your set schedule to save energy when youre gone and optimize comfort when youre home. Compared to a hold of 72
• 
  Compatible with 85% of systems, check your systems compatibility with our online ecobee Compatibility Checker on the ecobee support page
• 
  Change your temperature by easily tapping the color touchscreen or using the ecobee app. Plus, free software upgrades ensure you get the best out of your Smart Thermostat Essential, for years to come
• 
  Automatically adjusts to your set schedule to save energy when youre gone and optimize comfort when youre home. Keep track of your energy consumption when you're on the go on the ecobee app
• 
  Easy DIY install. No C Wire, no problem. Get the ecobee Power Extender Kit (PEK) for homes without a C-Wire and keep your walls looking nice with our trim kit both sold separately
• 
  Works with leading smart home ecosystems. Pair Smart Thermostat Essential with Apple HomeKit, Google Assistant, and Alexa
• 
  Works with most 24 VAC HVAC equipment: Gas, oil, electric, dual fuel, forced air Conventional (2H/1C or 1H/2C) Heat Pump (2H/1C) Boilers. You can check your systems compatibility with our online ecobee Compatibility Checker on the ecobee support page
• 
  Add in a SmartSensor which allows you to measure the temperature in rooms that matter most. It reads temperature and movement in whatever room it is placed in for complete home monitoring and energy savings (SmartSensor 2 pack sold separately)
• 
  Built in eco+ Smart Features: Indoor humidity detection, schedule assistant, time of use which preheats or precools your home when energy is less expensive to reduce energy use during peak hours

Main Highlights

• 
  PRIVACY PROTECTION*: Sensi wont 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 dont have to patch and paint your walls

Main Highlights

• 
  SAVE MONEY AND ENERGY. Adjust your ENERGY STAR certified thermostat from anywhere with your mobile device, or let your home automatically react to your schedule with Auto Home/Away Scheduling. Save even more by checking with your energy provider about available energy savings rebates to save on your purchase (rebate finder link above). Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.
• 
  LIVE AND SLEEP SMARTER. Choose the temperature in a specific room, like the bedroom, to be exactly what you want it to be, to help get a better nights sleep. Or let the Smart Room Sensors automatically detect which rooms people are in and focus comfort where it matters automatically.
• 
  AMAZING SENSOR RANGE. The battery powered Smart Room Sensors utilize unique Honeywell Home technology to deliver an efficient signal up to 200 ft range. (Could be further depending on home construction.)
• 
  MULTI-ROOM FOCUS. Dont be forced to choose one room over another, the T9 Smart Thermostat can handle multiple rooms to focus on (requires sensors).
• 
  CONTROL IT YOUR WAY. Control the T9 using the Resideo app or through Amazon Alexa, Apple HomeKit, Google Assistant, and more.
• 
  COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.
• 
  DO IT YOURSELF SIMPLE INSTALL. With guided installation setup couldnt be simpler. The included power adapter is an easy-to-install, low-voltage alternative to a C-wire, so the thermostat is compatible with most homes.
• 
  Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
• 
  Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.