It provides room air temperature, quality, and humidity control and security systems primarily in residential dwellings in the U.S. and internationally.

It manufactures and distributes smart-home and software products, including temperature and lighting[3] control, security, and water and air monitoring.

[citation needed] On March 28, 2019, Resideo announced the acquisition of Buoy Labs, a company that offers water usage and leak prevention products.

[17] On June 27, 2019, Resideo announced the acquisition of LifeWhere, a company that uses predictive analytics to forecast home appliance failures.

[20] On April 15th, 2024, Resideo announced it would acquire Snap One, a major home automation provider, for $10.75 per share in cash, for a transaction value of approximately $1.4 billion.

Products include security cameras, heating and cooling controls (thermostats), water leak and freeze detectors.