A newly revised filtration standard from ASHRAE combines two standards aimed at improving the technical accuracy of filter testing. The new standard addresses three air-cleaner performance characteristics of importance to users: the ability of the device to remove particles from the airstream, the total dust holding capacity with arrestance (weight efficiency), and its resistance to airflow.
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| Aug 11, 2010
Best AEC Firms of 2011/12
Later this year, we will launch Best AEC Firms 2012. We’re looking for firms that create truly positive workplaces for their AEC professionals and support staff. Keep an eye on this page for entry information. +