Air curtains, also known as air doors, are used to to prevent air or contaminants from moving from one open space to another. These energy-efficient air curtains ensure reduced loss of conditioned air and consistent temperatures. Raptor Supplies offers a wide range of air curtains from brands like Berner, Mars Air Systems, Dayton and Vestil. Mars air curtains are designed to be installed at entry / exit doors, pass-thru windows, dock doors and receiving doors. These air doors feature a dual-shaft / permanently split capacitor motor to provide air flow up to 14400 cfm with a maximum speed of 3450 rpm. Vestil air curtains feature a PSC, direct-drive motor for use with SCR controllers. These air curtains come with 20 gauge, rigid steel cabinets featuring baked on epoxy powder coat paint to offer extended durability. Choose from a wide range of air curtains / air doors, available in single- and three-phase models on Raptor Supplies.