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The Information contained on this web page has been collected and presented as a guide. It should be used as a guide only and should not be relied upon as the sole source of information relating to ventilation requirements or legal requirements in any state or municipality. No warranty, either express or implied, is made with respect to the information contained herein. For additional information contact the specific state or municipality to obtain specific technical or legal ventilating requirements that may apply. Empire Ventilation Equipment Co., Inc. is not responsible for any loss, inconvenience, damage (whether special or consequential) or claims arising out of the use of the information contained on this page. |
Pennsylvania
PA402.5 Mechanical Ventilation
Outdoor air intakes and exhausts shall have automatic or gravity dampers that close when the ventilation system is not operating.
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