Q-PAC, a leader in the design and manufacturing of commercial HVAC fan systems, offers the Q-PAC Multimotor Plenum Fan (MPF), which is now covered under HCAI Special Seismic Certification Preapproval.

Air movement plays a crucial role in all aspects of controlling an indoor environment via HVAC. Everything from comfort to IAQ depends on air being moved by the system. Following are three diverse ...

Though suspended ceilings (above, right) remain the most popular ceiling system option, facility managers report that 17% of their total building square footage still features an open plenum ...