Honeywell Home Help & Support

What do you need help with?

Already own a smart thermostat? You may be eligible for rebates with your local energy provider.

Search for Rebates

Can't find what you're looking for?

TOP SEARCHED VIDEOS

Add a C-Wire Adapter

Add a C-Wire Adapter

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

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.

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:

NOT THE DIY TYPE?

Contact a local professional partner.

FIND A PRO

NEED SOME EXTRA HELP?

Chat live with a support agent.

Must accept cookies

CALL US

Speak directly to a support agent.

Call Support