Tony Kocurek employs a versatile group of testing and balancing (TAB) technicians at Energy Balance Integration LLC, a testing and balancing firm in Albuquerque, New Mexico.

When it comes to damper systems, Greenheck is unmatched for its wide-ranging catalogue of air control, life safety, commercial and industrial products. Here are just a few selections from their line, what they do, and what they mean for air movement.

Because of the critical role a ceiling membrane plays in the fire-resistance performance of a floor/ceiling or roof/ceiling assembly, any penetration through it must be protected. In the case of HVAC penetrations, protection comes in the form of a ceiling damper. 

Ruskin has released its new DFD-LP dynamic fire damper, which is rated for dual-direction airflow and can be installed vertically in walls or horizontally in masonry floors.

Greenheck says its new fire dampers are the largest in the industry.