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ANSI/ASHRAE Standard 52.2-2007, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size,establishes a test procedure for evaluating the performance of air-cleaning devices as a function of particle size. Standard 52.2-2007, the most recent edition of this standard, incorporates Addendum a into the standard's previous edition, Standard 52.2-1999. Addendum a changed the procedure for evaluating the results of the reference filter test in order to make the reference filter test more practical and to allow a wider selection of filters to fulfill the test requirements. Standard 52.2 was developed so that both users and specifiers can compare products, predict a uniform level of known performance under operating conditions with reasonable certainty, and determine appropriate air-cleaner efficiencies for specific situations. Historically, standards for testing air cleaners have been developed in response to the needs of the times. Protection of machinery and coils came first, then reduction of soiling. Now concerns about indoor air quality and respirable particles, protection of products during manufacturing, and protection of HVAC equipment have prompted development of this test standard based on particle size.
 

Document History

  1. ASHRAE 52.2-2017


    Standard 52.2-2017 -- Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI Approved)

    • Most Recent
  2. ASHRAE 52.2-2012


    Standard 52.2-2012 -- Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI Approved)

    • Historical Version
  3. ASHRAE 52.2-2007

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    Standard 52.2-2007 -- Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI/ASHRAE Approved)

    • Historical Version
  4. ASHRAE 52.2-1999


    Standard 52.2-1999 -- Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI approved)

    • Historical Version
 

Amendments & Errata

  1. ASHRAE 52.2-2007 Supplement

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    Addendum b to Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

  2. ASHRAE IC 52.2-2007-1

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    Interpretation IC 52.2-2007-1 of ANSI/ASHRAE Standard 52.2-2007 -- Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

  3. ASHRAE 52.2-2007 Errata (September 15, 2011)

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    Errata to Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

  4. ASHRAE IC 52.2-2007-2

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    Interpretation IC 52.2-2007-2 of ANSI/ASHRAE Standard 52.2-2007 -- Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size