The HACS customizable air temperature control system provides temperature control and air-handling capabilities to meet any large-capacity temporary heating application, states the manufacturer. The electrically heated unit is ruggedly designed and constructed so it can withstand construction site and rental market use. The HACS is designed for a maximum combination of options regarding flow, control, construction, and monitoring, the company says. The air-handling units can be designed for up to 150 kW and 7,000-scfm air at 5 inches water gauge. It has a multistage, contactor-based control system.

Chromalox, 103 Gamma Dr. Ext., Pittsburgh, PA 15238; 800-443-2640 or 412-967-3800; 412-967-5148 (fax); www.chromalox.com.