The 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.
a look at the world. You see differently now. Have a look at yourself. You look different as well. Stop regretting. You’re fine as you are. You’ve done fine. You’ll do fine in the future. You weren’t