Greenheck has expanded its Air Measuring Damper (AMD) line with the addition of the AMD-TD series of thermal dispersion-based airflow measuring dampers. The AMD-TD series combines the functionality of a highly-accurate thermal dispersion airflow station and a low-leakage control damper to control airflow volumes to a target set point.
Continental Fan’s UDVL Upblast Roof Ventilators are designed to provide aerodynamically efficient performance and a low silhouette design. The ventilators are constructed with a heavy duty welded steel base, galvanized butterfly damper section, and a spark resistant cast aluminum airfoil axial impeller.
The company’s product selection program, SelectPro™, is available online. Included is the company’s complete product line, including valves, damper actuators, fire and smoke actuators, pipe packages, retrofit solutions for damper actuators, and control valves.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.