Mars Air Systems is revealing its 2013 facelift; all Mars Air Curtains have been redesigned, re-engineered, and revamped for the new year. The Series 2 lineup includes slimmer units, updated colors, and a sleek new design for everything from a drive-thru window to a lobby entrance to warehouse loading dock doors. Protect any size opening while reducing overall energy consumption and maintaining quality control inside the building. Mars Air Curtains boast an average return on investment of two years or less for typical installations. Mars...Over Every Door.