Mars Air Curtains makes the buildings in which we work, live, socialize and play more energy efficient, comfortable and healthy. From pass-through windows to commercial entry doors, to large industrial dock doors; from unheated to heated, to sanitizing units, Mars manufactures air curtains with an increased focus on occupant comfort, well-being and building energy efficiency. Specifiers trust Mars to provide the knowledge, tools and resources required to meet and exceed the design needs of their projects and goals. Mars Air Curtains… "Over Every Door”.