Learn more about Resideo's heating control products.
ATP921R3100 EN/NL/FR Thermostat pack
T4H110A1021 T4 wired Thermostat, Wall mounted
A wide range of reliable heating and cooling control products and solutions
Discover our range of security, life safety and home entry solutions
Water control designed with Pro’s and customers in mind
Working with Global Manufacturers and partners to help deliver energy solutions
We make it simple to make your smart home feel more like home. Our products are compatible with many of the smart home technologies you may already have and we're connecting them to more each day.
Our products integrate with these well-known technologies to enhance your smart home.
We're here to help with the latest product support articles, manuals, user guides and videos.
Take automation to the next level. Join the Honeywell Home Smart Home Community and extend your platform by integrating our open API with smart home products that make a real difference.