Air Curtains generate a temporary invisible barrier of air as a walk-through or overhead door is opened to keep insects and environmental elements out. They can save energy by keeping cool or warm air in. An optional heater kit is available for colder climates.
Typical applications are restaurants, food processing, and shipping/receiving docks. The units are usually header-mounted and may be operated with a manual switch. USDA and city code health department-approved units are available.