The Lyric Round™ WiFi thermostat works with Apple Watch, Samsung SmartThings and Apple HomeKit. For a complete list of current integrations, please visit: http://www.honeywellhome.com/partners.
To ensure your second generation Lyric thermostat can be controlled by Siri or an Apple HomeKit app you will need to ensure certain Apple mobile device settings here.For more information, please watch this instructional video: