HVAC and duct access doors are designed to provide easy access to critical areas of ductwork and air handling when maintenance work is needed. These access doors are typically installed on the main sheet-metal duct. HVAC access panels come with a variety of options such as hinged and insulated.
Where is the access panel on an AC unit?
main sheet-metal duct
What are ceiling access panels for?
Access panels cover wall or ceiling openings to hide components from view while maintaining access. They allow entry to service equipment and infrastructure such as plumbing, electrical, security systems, telephone, computer cable, and sprinkler systems.