Thermostat Help & Support
What Do You Need Help With?
Warning! Improper wiring or commissioning of your thermostat can cause unintended operation of your HVAC system which could lead to property damage, injury, including death. If you are unsure of what type of system you have, refer to your heating/cooling system equipment literature or call an HVAC professional.
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Thermostat Wiring Compatibility
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.
Check CompatibilityApp Status
Your issue may be related to a system outage on one of our applications. See current status of Resideo's mobile applications below.
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