A T9 thermostat on a wall displays a room temperature of 70 degrees. A kitchen can be seen in the background.

Act Now For SavingS

Right now you can save $20 on our top-selling T9 Smart Thermostat. But hurry — these savings are only for a limited time.

YOUR WHOLE HOME COVERED

Find out more about our exclusive smart kits here:

FILTER SUBSCRIPTIONS

An air filter sits on a home front porch. The package reads 'Second Nature' and has the Honeywell Home logo at the top right of the package. The front door is orange and has the numbers 1904 at its center.

Second Nature

With Second Nature, your first order is free and you never pay shipping. Available in the contiguous United States (excludes Alaska and Hawaii).

Subscribe
A woman receives a package on her porch. The package has the Home Depot logo and the Honeywell Home logo along with text that reads: How doers get more done.

Home Depot

Get 5% off repeat filter purchases and free delivery with The Home Depot Subscriptions.™

See Eligible Products

THERMOSTAT SAVINGS

We partner with local energy providers to offer rebates on thermostats.

EMAIL SIGNUP

Get the latest from Resideo including tips, exclusive offers, and more by signing up now.