Customer reviews from resideo.com
Honeywell Home - T9 Smart Programmable Touch-Screen Wi-Fi Thermostat
Average customer rating
4.1 out of 5
4.1
(2,934 Reviews)
Open Ratings Snapshot
Rating breakdown 2,934 reviews
5 Stars
1,698
4 Stars
569
3 Stars
271
2 Stars
153
1 Star
243
81%of customers recommend this product. 
(
1,831 out of 2,267
)
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Customer Reviews for Honeywell Home - T9 Smart Programmable Touch-Screen Wi-Fi Thermostat
Customer Rating
5 out of 5
5
Works as advertised
on August 21, 2025
Posted by: Joseph Lee
Verified Purchase:Yes
Great product, easy to program and set up works well with the mobile app. It has really made my life convenient in managing my HVAC systems at home at home
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Multiple Sensor Functionality Is Great
on August 18, 2025
Posted by: Cool Sleeper
from California
Verified Purchase:Yes
I like being able to set the thermostat to monitor multiple temperature sensors and prioritize sensors at different times of the day. It's great to prioritize the bedroom at night, to ensure we have a cool night's sleep.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
4 out of 5
4
T-9 is Great
on August 18, 2025
Posted by: J. Curtis
from Santa Rosa, CA
Verified Purchase:Yes
How can a thermostat be this good?
If your HVAC system has been using the original cool OR heat mode, you are in for an amazing improvement. Once set up, it’s able to do its job without your fussing.
I do recommend using the remote thermostat for upstairs sleeping area. And of course, the wi-fi connectivity is great.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Works for dual thermostat system
on August 18, 2025
Posted by: Scott1017
from Northeast Ohio
Verified Purchase:Yes
I was having a hard time finding a HomeKit thermostat to replace my Control4 thermostat. I have a dual transformer system with gas boiler radiant heat as the primary heat, electric heat in the air handler as backup, and A/C. The thermostat was easy to set up and get connected with HomeKit.
Written by a customer while visiting resideo.com
Customer Rating
1 out of 5
1
Ok but sneaky version number
on August 17, 2025
Posted by: TheTl
from Canada
Verified Purchase:Yes
Looks OK but because of version one I can’t use other sensors with it. Kind of makes it obsolete except for heating the single room. A little disappointed there’s no literature that I could easily find that talks about the different versions of this product and how they work with other sensors that are supposed to work with it.
No, I would not recommend this to a friend.
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Perfect thermostat
on August 16, 2025
Posted by: Rik$
from Illinois
Verified Purchase:Yes
Very convenient. Operates very well. Easy to navigate.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
T9 Smart Thermostat
on August 16, 2025
Posted by: Anonymous
from Coppell, TX
Verified Purchase:Yes
It works as advertised! Very satisfied. Now I can put the sensor to any room that sleep in.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Made a big difference
on August 15, 2025
Posted by: John G / Frankford Delawa
from Frankford Delaware
Verified Purchase:Yes
This thermostat worked perfect in our situation. Now my home is a steady temperature on both levels of our home.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
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