What is a Blower Door?

What is a Blower Door?
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.
How does it work?
The Minneapolis Blower Door once featured on the American sitcom Home Improvement with Tim ‘the-Toolman’ Taylor. So here is a fun way to see how the Blower Door works.
Enjoy …

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