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
(2,829 Reviews)
Open Ratings Snapshot
Rating breakdown 2,829 reviews
5 Stars
1,643
4 Stars
555
3 Stars
253
2 Stars
140
1 Star
238
81%of customers recommend this product. 
(
1,771 out of 2,180
)
Best Buy Privacy Policy
Customer Reviews for Honeywell Home - T9 Smart Programmable Touch-Screen Wi-Fi Thermostat
Customer Rating
4 out of 5
4
Lacks differential setting adjustment
on June 30, 2025
Posted by: Home Owner 2928
from new york
Verified Purchase:Yes
East to set up, the room sensor is a nice touch. We have the sensor in the bedroom so at night we have it set to maintain 65 degrees when sleeping.. Only complaint is the differential setting. It's factory set and locked for 1.5 degree difference. Seems the heat/Ac runs more than it should compared to a 2 or 2.5 degree differential thermostat. The ac is barley off for 5-6min on a hot day before its running again for another 10min.. Honeywell wont let you change this setting unfortunately.. Obv. everyone's house is different that would affect this..
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
4 out of 5
4
Great thermostat/OK app
on June 30, 2025
Posted by: Cory C
from East Texas
Verified Purchase:Yes
The thermostat works great, but the app could use some improvements. I often have to force close and reopen the app to get the current information/house temps and settings.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
3 out of 5
3
Does the job
on June 30, 2025
Posted by: Eric Hop
from Florida
Verified Purchase:Yes
I wish it had more than a vacation schedule sometimes when reading remotely the inside temp reads off from setting then if I watch it a few more times it then shows inside temp as the set temp ?? Sometimes it seems to go off schedule and just sets temp where it wants ??
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
4 out of 5
4
T9 thermostat works great!
on July 2, 2025
Posted by: Deb H
from Central Florida
Verified Purchase:Yes
T9 thermostat works great! Very easy to install, program and adjust later. Only issue is that the remote sensor gobbles up batteries like nobody’s business. 2 AAA batteries last less than a month, in fact we’re lucky if we get 3 weeks from a fresh set.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
1 out of 5
1
T9 smart?? Thermostat
on July 2, 2025
Posted by: Mark AG
from Bloomington,in
Verified Purchase:Yes
the light is on all the time. no eye sensor when i walk by. on and off
No, I would not recommend this to a friend.
Written by a customer while visiting resideo.com
Customer Rating
4 out of 5
4
Shifting Sensors
on July 2, 2025
Posted by: OntosScience
from St Louis, MO
Verified Purchase:Yes
The ability to shift sensors to different locations solves problems of a single AC/heating system in a two story home, however delays in shift changes are disconcerting. Also, shift is not reflected in display.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Best I’ve purchased! Well worth it!
on July 2, 2025
Posted by: Eric DJ
from Braselton, GA
Verified Purchase:Yes
So easy to install and run. My home, even in 95+ degrees has held and maintained temp too.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
4 out of 5
4
Good but not perfect.
on July 3, 2025
Posted by: Dery
from Montreal,Qc
Verified Purchase:Yes
Geofence is not reliable. Your are back home and the thermostat does not always see you. There should also have an 'absent' button so we could switch from temp program to absent without having to reprogram the schedule when you are back home.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
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