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About This Item

 

Full Description

Standard 62.2 is the consensus ventilation and indoor air quality (IAQ) standard for dwelling units in residential occupancies in which the occupants are nontransient. The standard describes the minimum requirements to achieve acceptable IAQ via dwelling-unit ventilation, local mechanical exhaust, and source control.

Dwelling-unit ventilation is intended to dilute the unavoidable contaminant emissions from people, materials, and background processes. Local mechanical exhaust is intended to remove contaminants from locations such as kitchens and bathrooms that, because of their design function, are expected to contain sources of contaminants.

The standard includes secondary requirements that focus on properties and performance of residential ventilation systems. Examples include sound and airflow ratings for fans, controls, and labeling requirements. The standard provides additional compliance pathways for existing dwellings.

Significant changes in the 2022 edition include improvements to organize and clarify existing provisions, an increase in the stringency of compartmentalization requirements for attached dwelling units, and a requirement for supply or balanced dwelling-unit mechanical ventilation systems for attached dwelling units on enclosed corridors.

 

Document History

  1. ASHRAE 62.2-2022

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    Standard 62.2-2022 -- Ventilation and Acceptable Indoor Air Quality in Residential Buildings (ANSI Approved)

    • Most Recent
  2. ASHRAE 62.2-2019


    Standard 62.2-2019 -- Ventilation and Acceptable Indoor Air Quality in Residential Buildings- (ANSI Approved)

    • Historical Version
  3. ASHRAE 62.2-2016


    Standard 62.2-2016 -- Ventilation and Acceptable Indoor Air Quality in Residential Buildings (ANSI Approved)

    • Historical Version
  4. ASHRAE 62.2-2013


    Standard 62.2-2013 -- Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings (ANSI/ASHRAE Approved)

    • Historical Version
  5. ASHRAE 62.2-2010


    Standard 62.2-2010 -- Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings (ANSI/ASHRAE Approved)

    • Historical Version
  6. ASHRAE 62.2-2007


    Standard 62.2-2007 -- Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings (ANSI/ASHRAE Approved)

    • Historical Version
  7. ASHRAE 62.2-2004


    Standard 62.2-2004 -- Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings (ANSI Approved)

    • Historical Version
  8. ASHRAE 62.2-2003


    Standard 62.2-2003 -- Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings

    • Historical Version