Des Champs Laboratories Inc., Route 130, Natural Bridge Station, VA 24579; 540-291-1112; 540-291-3333 (fax); email@example.com (e-mail); www.deschamps.com (website).
Des Champs Laboratories: makeup air systems
These new makeup air systems have air volumes ranging from 2,000 to 150,000 scfm. Features include direct- and indirect-fired systems using natural gas, propane, or No. 2 fuel oil. Options include recirculation, variable-volume control, direct evaporative cooling, indoor and outdoor mounting, roof curbs, and filters. Vertical and horizontal unit mounting configurations are available. The systems are ETL listed.