Mars Air Systems, a manufacturer of air curtains and make-up air systems, will display a range of products from its Mars Air Doors, Dynaforce, and ARES divisions. Its air doors and curtains help maintain a clean, comfortable work environment, says the company. ARES packaged make-up air systems provide comfort heating and cooling for an entire building or spot relief temperature and humidity control in difficult work areas, the company says.

Mars Air Systems, 14716 South Broadway, Gardena, California 90248; 310-532-1555; Fax: (310) 324-3030 (fax);