Thermostat Help & Support
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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.
Resideo – Smart Home:
Total Connect Comfort App:
First Alert App:
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