Unity Systems was a home automation company that was based in Redwood City, California and was formed in 1983.
[1] In 1985, Unity Systems released the Unity Home Manager which was one of the earliest home automation systems as well as one of the most successful systems.
It featured a green monochrome touchscreen display with options such as temperature settings, floor plans, lighting control, the sprinkler system, HVAC control, security and general maintenance settings.
[2][3] The Unity Home Manager was sold by a dealer network which consisted of small, and dedicated companies, with around 90 dealers across the United States at a point in time.
Unity systems closed its doors in 1999.