Serving all of North and South Carolina
Energy Star Certification, Manual J Calculations,
Certified Duct Leakage and Infiltration Testing

North Carolina: 1-828-329-1881
South Carolina: 1-864-640-9451
davidc@allaboutenergy.us

Blower Door Test

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.

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