Honeywell Home T9 smart thermostat knows what room you’re in

I extremely advocate the $two hundred Resideo Honeywell Home T9 Wise Thermostat. In addition to its uncomplicated application and optional Alexa and Google Assistant voice controls, the T9 will come with a remote sensor referred to as a Wise Place Sensor. It also has geofencing abilities that routinely alter your household and away settings dependent on your phone’s place. 

Table of Contents


  • Easy to set up
  • Basic application
  • Handy characteristics like geofencing

Really don’t Like

  • $two hundred is a reasonable price tag, but the value could be improved

You can buy the thermostat without the need of the Wise Place Sensor for $170, putting its price tag in line with models like the $169 Nest Thermostat E, as properly as the $169 Ecobee 3 Lite. Google sells a Nest Temperature Sensor for $39, but it only has temperature sensing abilities. Ecobee’s SmartSensors have temperature and proximity detection and are bought in a two-pack for $seventy nine.

The Resideo Wise Place Sensor, also sold independently for $40 every single, has temperature, humidity and proximity detection. Its comparatively smarter remote sensor, furthermore its trusted geofencing, set the T9 apart from its equally priced competitors. 

The T9 thermostat is uncomplicated to set up, far too. Here are the methods, in brief, but be confident to chat to a skilled electrician if you have any questions or considerations about your individual HVAC system:

  • Convert off electric power to your thermostat at the circuit breaker
  • Take away the faceplate of your present thermostat 
  • Consider a photograph of your present wiring for reference
  • Put in Resideo’s included C-wire adapter (if you really don’t have a C-wire I did, so I didn’t require the C-wire adapter)
  • Take away the rest of your old thermostat
  • Feed the wires by means of the T9’s foundation plate
  • Use a amount and mark the spots wherever you require to drill new holes
  • Connect the thermostat wires and screw the foundation plate to the wall
  • Join the T9’s faceplate to the baseplate and transform the electric power back again on at the circuit breaker

You ought to see a gentle come on, indicating that electric power is heading to the thermostat.


This remote temperature and humidity sensor is included with your T9 obtain.

Chris Monroe/CNET

Upcoming will come the application setup. Download the Honeywell Home application and produce an account. Choose the furthermore sign to add a new device and then decide on “T9 or T10 Pro” from the listing of solutions. The application will then start off to seem for your thermostat, request you to produce a household, including assigning it a name and supplying your tackle (this phase is important for geofencing to work).

The application will request you a variety of questions about your favored temperature settings and give you the possibility to empower geofencing. You can customise the household/away mode geofencing radius in the Honeywell Home application. When you depart the region, your cellular phone will explain to the thermostat to change to away mode when you return, it will change to household mode. 

Insert your Wise Place Sensor specifically on the thermostat. Faucet the menu button, then Units & Sensors. Put in the included AAA batteries and observe the methods to name your sensor. You can use your Wise Place Sensor as your default temperature sensor (as an alternative of the thermostat), supplying you far more control in rooms that are likely to operate cooler or warmer than the rest of the home. The sensor also has proximity detection, so it knows if you happen to be in the exact same place and can alter the temperature routinely for you dependent on wherever you are. 

I achieved out to Resideo about what place facts it collects from the Wise Place Sensors. “We only use the present point out (occupied/unoccupied), if the person is generating use of the “Lively Rooms” attribute (which adjusts your thermostat dynamically dependent on the place you happen to be in). We do not store the sensor occupancy point out for analytics purposes,” a Resideo spokesperson explained to me more than electronic mail. Read Resideo’s privacy policy here.

Read far more: Greatest clever thermostats for 2020

In general, the T9 is a good clever thermostat which is uncomplicated to set up and use. I wish it were being slightly far more very affordable — far more like $a hundred and fifty — but its geofencing, Wise Place Sensor and general performance worked reliably for me in the course of my screening. This device can also be added to a broader Honeywell Home security and automation system, generating it a good possibility if you want to scale up your clever household. 

I nevertheless like the Ecobee SmartThermostat greatest as significantly as higher-close clever thermostats go, but the T9 certainly holds its possess together with the Nest E and the Ecobee 3 Lite. 

Maria J. Danford

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