Designing Cooling &
Heating Systems

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Why Have a Factory Audit

If you suspect the factory operates with a negative internal pressure (more airflow escapes the factory than enters*) you can check this with an air survey from FSL.

FSL can recommend a series of corrective measures to re balance the air pressure. When completed your company can confirm the results to customer or BRC auditors that the factory is compliant with Guidelines on Air Quality Standards for the Food Industry.

Our comprehensive audit which costs around £4,000, will measure all points of air entry and exhaust around the factory and tabulate the results in a report.

*Typically when a strong flow of air enters the factory when roller shutter doors are opened or when dock levellers separate for truck movements.

Complete the form below to arrange a no obligation discussion with us.

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Company Name

How many air inputs are there? (approx)


How many air exhausts are there? (approx)


Is there a safe access to the factory roof?
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