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Home > Video > Video Display > The Embassy Office Bldg. Economizer Damper Replacement Proposal.wmv

The Embassy Office Bldg. Economizer Damper Replacement Proposal.wmv

Airside economizers contribute substantially to the energy profile of buildings in North Texas. Leaky dampers create a year-round energy penalty due to uncontrolled air passage through damper blades when outdoor and relief dampers are supposed to be fully closed – summer or shoulder seasons. Dampers shown in this video have failed side seals that also serve as thrust bearings. Damper blades bind, whether opening or closing. Pneumatic actuators can neither fully open nor close dampers, robbing the building owner of valuable “free cooling” during much of the year. The avearage low temperature for the Dallas/Fort Worth area is 57 deg. F. Because core zones require some cooling year round, building owners benefit substantially from airside “free cooling” below 55 deg. F. Copyright Rockwall Controls Company, Inc. 2012, all rights reserved.

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