Home Automation Inc.’s (HAI) Omnistat-Z line of wireless programmable communicating thermostats has built-in Z-Wave™ transceivers. When used with HAI’s home automation controller, the Omnistat-Z communicates wirelessly for the coordination of temperatures with other household functions, such as security settings, time of day, or room occupancy. Five models compatible with different types of HVAC systems are available. All models are fully interactive with all HAI home control systems as well as most others.