Blower Door Test for private houses
This test is undoubtedly the best way to find air leaks in your home is with a blower door test during a professional energy audit.
The Blower Door Testing is a professional energy auditor will test the airtightness of your home using a special fan called a blower door.
Blower doors consist of a frame, flexible panel that fits in a doorway, a variable-speed fan, a pressure gauge, and an airflow manometer and hoses for measuring airflow.
A blower door is a powerful fan that is mounted to the frame of an exterior door of your home. The fan will pull air out of the house, lowering the air pressure inside.
The higher outdoor air pressure flows in through all of the unsealed areas around your home. The person conducting the test may use a tool like a smoke pencil or thermal image camera to find those air leaks around your home.