With over 50 years in business, Mars Air Systems is the international leader in air curtains. Mars air curtains reduce building energy costs, keep environments sanitary through the elimination of flying pests and debris, and ensure consistent building temperatures using an invisible unobstructing flow of air. Air curtains can be installed at all openings including entry/exit doors, pass-thru windows, dock doors and receiving doors to create internal climatic separation resulting in added comfort, a cleaner & more sanitary environment and energy savings for your business.