Air Changes Per Hour ACH

Meaning, Term, and Glossary Definition - What is Air Changes Per Hour ACH?

The movement of a volume of air in a given period of time; if a house has one air change per hour, it means that the air in the house will be replaced in a one-hour period.

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Related glossary terms:

AHERA Designated Person ADP   Air Binding   Air Cleaning   Air Contaminant   Air Curtain   Air Exchange Rate   Air Gap   Air Handling Unit   Air Mass   
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