Chameleon Vestibule Exception (CHA) In-Ceiling Unheated Air Curtains
UnheatedThe CHA unheated air curtain has been tested in accordance with ANSI/AMCA 220 and meets the criteria for use as an exception to the vestibule requirement in Climate Zones 3 and above. It is specifically designed to be dropped into the ceiling above customer entryways where a standard air curtain is not desired .




