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
1 out of 5
1
No WiFi connection
on November 20, 2025
Posted by: Justinp416
from Los angeles
Verified Purchase:Yes
It doesn’t stay connected to my wifi. It will connect and then stay disconnected from there on out.
No, I would not recommend this to a friend.
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Really nice thermostat
on November 24, 2025
Posted by: Steve aaaaa
from Louisville
Verified Purchase:Yes
This thermostat has remote room thermostats that work great. Being able to set the temp in our bedroom at night has been great.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
1 out of 5
1
Primitive design.
on November 24, 2025
Posted by: A Homeowner
from Lafayette
Verified Purchase:Yes
Primitive design. No option for timed fan run. Overly sensitive causes unit to short cycle.
No, I would not recommend this to a friend.
Written by a customer while visiting resideo.com
Customer Rating
3 out of 5
3
Good - but not Great.
on November 25, 2025
Posted by: SHHIII
Verified Purchase:Yes
When one of my two thermostats died, I replaced both with T9s. The installers advised me not to bother with the added room sensors - but despite the confusing instructions, I included them and they have helped to level room temps. What bothers me most is that they both measure 3 degrees lower than the actual room temperature. I have tracking thermometers placed in each room and they always read 3 degrees higher. True - I can adjust accordingly - but if this is a quality instrument, I shouldn't have to.
No, I would not recommend this to a friend.
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Works like it should.
on November 26, 2025
Posted by: Fordsure
from NV
Verified Purchase:Yes
Installed by NV Energy, so far doing what it’s supposed to do.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Thermostat
on November 28, 2025
Posted by: FAHREN
Verified Purchase:Yes
Works as advertised. I can turn it on to warm up my place before I get there and I can check the temperature from anywhere.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Very happy
on November 28, 2025
Posted by: Asad Ali Khan
from Houston
Verified Purchase:Yes
Very happy. Had my 4 trane thermostats replaced with these. Game changer! Seamless integration with my ring system as well as ability to connect more sensors to prioritize different rooms
I would recommend this to a friend!
Written by a customer while visiting resideo.com
Customer Rating
5 out of 5
5
Replacement
on December 1, 2025
Posted by: C. Gominiak
from Darien Center, New York
Verified Purchase:Yes
Received notice of current smart thermostat end of life. Researched many different brands. As an individual in the HVAC business Honeywell has always been a reliable name in the industry with a solid reputation.
I would recommend this to a friend!
Written by a customer while visiting resideo.com
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