Honeywell Home Help & Support

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I need help with installationI need help programming my thermostatI want to replace or buy a new thermostatMy device isn’t workingI need to find a manualT9 and T10 Firmware Update

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Add a C-Wire Adapter

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How to Install a Honeywell Home T3, T4, T5, T6, T9, T10 and T10+ Thermostat

How to Install a Honeywell Home T3, T4, T5, T6, T9, T10 and T10+ Thermostat

How to Install a Honeywell Home T3, T4, T5, T6, T9, T10 and T10+ Thermostat
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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.

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APP 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:

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