Abstract: Disclosed is a wireless zoning system and devices for an HVAC system. Included is one or more light switch thermostat(s) designed to fit into a standard light switch box, a wireless zone control gateway, an HVAC control module, and one or more wireless damper sensors. The light switch thermostats include one or more mini pcb with a sensor mounted on it to monitor for example occupancy, humidity, and other VOC. The light switch thermostat also includes a vent opening on a switch plate located near the mini pcb with sensor. The wireless damper sensor is designed with RJ11 jacks to minimize cabling costs. The disclosed system can be designed for air or water HVAC systems.