A thermostat to control multiple units is an instrument that can be used to set and maintain temperature levels within a given space. It is suitable for use in buildings or facilities with more than one temperature-controlled area, such as in office buildings, hotels, and hospitals. The thermostat offers a reliable way of precisely controlling the climate within the facility, maintaining comfortable conditions for the occupants and reducing energy costs. This type of device is becoming increasingly popular due to its versatility and efficiency.