Blower Door & Air Permeability Testing

Airtightness is vital to creating healthy, comfortable draft free energy efficient buildings. A Blower Door is a machine used to measure the airtightness of buildings. It can also be used to measure airflow between building zones, to test ductwork airtightness and to help physically locate air leakage sites in the building envelope.

Learn more about Air Tightness

Blower Door Costs

Verification of the airtight envelope at a stage prior to the lining and finishing of the construction


Final air tightness test for verification of the airtight envelope without certification.


Final air tightness test for verification of the airtight envelope using both methods A and B for Passive House Certification in conformance with DIN EN 13829. This will include a written report that can be used to supply to the certifying body.


Please note that these prices are to provide the above tests only. If there is a requirement for remedial work on site, we do have equipment for the detection of air leaks. If instructed, this work would be undertaken and charged for on an hourly basis of $140.00+GST. Travel costs may be incurred and are not included in these prices.


Ventilation and ducting installation example


Book a blower door test

To book your blower door test and for more information, leave us with your details and upload your plans and we'll be in contact to discuss further options.

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