Why is my cooling not working?
Why is my heating not working?
Why is my thermostat's WiFi not working?
How do I reset my Honeywell Home device?
The C-Wire: What is it? Do I need one? What are my options if I don't have a C-Wire?
My WiFi is not working on my smart home security or camera device
View All Popular Support Topics
Unsure if Honeywell Home thermostats from Resideo are compatible with your home? Use our tool to determine which thermostats work with your home’s existing wiring.
Current status of Resideo mobile applications
Message us on Twitter for help with our products.
Monday through Friday:
7am to 7pm CDT
Saturday and Sunday:
9am to 5pm CDT
