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home > news > 5 Dec 2017

PAU fresh duct is missing
5 DEC 2017

John Herbert, hong kong energy saving expert, BEAM expert
John Herbert
Director


The Primary Air Handling Unit (PAU) is vital to dehumidify outdoor air. However, we discovered that this PAU is not connected to the outdoor air, someone took the inlet ductwork.

Kelcroft site inspection PAU duct lost missing
Inspection finds key section of Primary Air Ductwork (PAD) missing



An effective PAU system is essential to maintain 'positive' pressure within a building to help prevent ingress of hot and humid outdoor air and the resultant condensation.

About the Author

John Herbert is a veteran chief engineer with more than 30 years international engineering experience, educated in the United Kingdom, he worked in the UK and then across Asia for more than two decades engaged by international and local companies. He is a Hong Kong Registered Energy Assessor (REA) and BEAM Professional, and is stationed in Hong Kong.



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