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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.

Product Details

Published:

2022

ANSI:

ANSI Approved

Number of Pages:

54

File Size:

1 file , 3.1 MB

Product Code(s):

D-86238, 86238

Note:

This product is unavailable in Ukraine, Russia, Belarus