Norm Grusnick

To ensure the proper fan performance as catalogued, caution must be exercised in fan placement and connection to the ventilation system. Obstructions, transitions, poorly designed elbows, improperly selected dampers, etc., can cause reduced performance, excessive […]

The acoustical environment created by an HVAC system may or may not be a critical issue for the tenant or building owner, but understanding the sound data published by manufacturers is necessary to make an […]

After louvers are installed, start up of the air system may reveal louver issues that require attention. Stationary-blade louvers have no moving parts. Therefore, they generally present few problems during operation. Operable louvers have a […]

In many cases, installation is just as important to louver function as is design. Specifying the correct frame style and options can substantially improve installation. In many cases, louver manufacturers have specific models and accessories […]

Louvers are a basic and simple part of many HVAC systems and buildings, but they are often overlooked or not given the proper amount of design time and consideration. After selecting a louver model that […]