Air curtains conserve energy and improve comfort by limiting the escape of internal heat, reducing cold drafts and providing a welcoming down flow curtain of warm air at entrance ways in industrial plants and store buildings. The resulting mixture of warmed air disperses gently in all directions at floor level to give uniform temperature over a wide area from floor to ceiling with only a few degrees difference.

Easily mounted over entrance ways of warehouse doors up to 16 feet high, the air curtains direct an invisible stream of stratified heated air downward. In addition to adding to employee and customer comfort during cold weather they provide important energy savings in three ways: