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Thread: Filter Flow Rates
11-19-2012, 02:23 AM #1New Guest
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- Nov 2012
Filter Flow Rates
I am very interested in methods to reduce AC system energy consumed. I believe that one of the easiest ways of reducing energy consumed in AC systems is by reducing fan pumping losses. A particular culprit here is excessive pressure drops across air filters. The cumulative power consumption over a few years can be greatly reduced if a lower flow velocity through filters is used. Obviously this will mean larger duct and higher initial cost. But the running costs will be reduced.
If anyone has any experience with lowering flow velocity through filters and can advise a flow velocity for primary, secondary, MERV and HEPA filters your expertise will be greatly appreciated.
Does any ASHRAE documents address filter flow rates and pressure drops specifically?
Thanks in advance