The answer to 'difference between zone control system and' is that a zone control system allows you to independently control the temperature and airflow in different areas or 'zones' of your home, while a traditional HVAC system controls the temperature for the entire home as a single zone. Zone control systems use multiple thermostats and dampers in the ductwork to direct airflow to the specific zones that need heating or cooling, rather than heating or cooling the whole house at once.
Zone control systems offer several benefits over a single-zone HVAC setup, including improved comfort, energy efficiency, and flexibility. With zones, you can heat or cool only the rooms that are occupied, rather than wasting energy on unused spaces. This can lead to significant energy savings, especially in larger homes. Zone control also allows family members to customize the temperature to their individual preferences in different areas of the house.