With more than a thousand new capabilities across lighting, whole-home music and video, security, comfort, and more Control4 Smart Home OS 3 sets a new standard for the smart home. OS 3 is available now and can be experienced in Control4 Certified Showrooms around the world on #C4Yourself day, June 13. Control4 announces Control4 Smart Home OS 3. Control4 Smart Home OS 3 is designed to unify hundreds of connected devices within the home.