, also called air doors, are devices that create an air stream on the opening of a facility to form a type of air seal (barrier) without causing visual obstruction. This means they create two types of environments: the environment inside the house and the environment outside the house. Most air curtains use a downward-facing blower installed at the top of a building entrance.To keep your air curtains working effectively, you also need to have the right accessories. These include roller plunger door switches
that sense when the door is open or closed. You should also have the right air curtain blower. The blower pushes air downward to form a barrier that prevents dirty air from getting into the house. Other important accessories include the compact air curtains, mounting brackets, thermostats, and variable speed air door nozzle. Check our site for different air curtains and accessories, and order your preferred option.