. . . It will allow users to control, and communicate to various devices,
. . . as well as to group various items together,
. . . such as door locks and lights.
Lutron lights and Insteon, a smart home system, are selling HomeKit-compatible devices today, according to The Verge, while iHome, Elgato and ecobee will have products available later this summer.
Ecobee, whose technology also works with the Apple Watch,
. . . will be launching a new smart thermostat in July, that will work with HomeKit.
06-02-2015 Source: Apple HomeKit