The definition of a delete HVAC is a process of removing an existing HVAC system from a building. This process is often necessary when a building is being renovated or remodeled, or when a new HVAC system is being installed. The delete HVAC process involves the removal of all components of the existing HVAC system, including the ductwork, air handlers, and condensing units. In some cases, the entire system may need to be removed, while in other cases, only certain components may need to be removed. In either case, the delete HVAC process is an important part of the renovation or installation process, as it ensures that the new system is properly installed and functioning properly. Additionally, the delete HVAC process helps to ensure that the existing system is properly disposed of, and that any hazardous materials are properly disposed of in accordance with local regulations.