A woman holding a coffee cup sits with her dog in the sunlight.

Enjoy The Fresh Spring Air With $20 Off

Monitor the humidity levels in your home and the temperature of each room with the T9 Smart Thermostat’s sensors and app. Have a cooler, more comfortable season.

Your key to a smarter home

Smart Home Kits combine some of our most popular connected home products into one convenient package. Perfect for after holiday comfort, security and simplicity.

T9 wSensor product image

DIY COMFORT

Program comfort and savings with the Honeywell Home T9 Smart Thermostat by Resideo that works with all your smart devices.

$209.99

$189.99

Buy
Honeywell Home 7-day Programmable Thermostat

SMART UPGRADE

Control the Honeywell Home WiFi 7-Day Programmable Thermostat and your comfort from your smartphone or tablet.

$99.99

$69.99

Buy

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.