Air makeup system from Des Champs employs direct- and indirect-fired heating.

With air volume ranges from 2,000 to 150,000 scfm, the air makeup system from Des Champs Laboratories Inc. employs direct- and indirect-fired heating using natural gas, propane or No. 2 oil. The system can be configured for vertical or horizontal mounting. Options include recirculation capabilities, variable volume control, direct evaporative cooling, indoor or outdoor mounting, roof curbs and filters.

June 2000, RS# 205