The V-Series line of make-up air units helps improve the indoor air quality in restaurants, commercial kitchens, and a variety of commercial facilities, the manufacturer states. The systems can provide 100 percent fresh make-up air, heated with either natural or propane gas or optionally cooled with either cooling coils or evaporative media. Capacities range from 800 to 13,000 cfm. The units are constructed with an all-aluminum envelope and aluminum frame.

AbsolutAire Inc., 5496 N. Riverview Dr., Kalamazoo, MI 49004; 800-804-4000; www.absolutaire.com.

eProduct #189