A significant research report published in April of this year by the National Center for Healthy Housing (NCHH) found that subsidized multifamily housing with ASHRAE 62.2-compliant ventilation had better indoor air quality than housing without 62.2-compliant ventilation. This important research states: “Levels of four of the five indoor contaminants improved substantially with [continuous] mechanical ventilation."
62.2 Compliance Paths1ASHRAE 62.2 has two compliance paths for sizing dwelling-unit ventilation. Normal compliance may be used for new or existing dwellings, whereas alternative compliance may be used ONLY for existing dwellings.The objective of…
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