Blower Door Test Attic

Also known as an infiltrometer blower.

Blower door test attic.

There are two types of blower doors. A blower door test to evaluate the effectiveness of air leakage sealing is highly effective for any homeowner or soon to be homeowner. When operated by our highly experienced technicians a blower door helps to test your air ventilation and quality. 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.

If you have multiple attic access points please make sure we can get into all of them. Blower doors consist of a frame and flexible panel that fit in a doorway a variable speed fan a pressure gauge to measure the pressure differences inside and outside the home and an airflow manometer and hoses for measuring airflow. To conduct a blower door test we place an infiltrometer or blower door fan in the main entry doorway to depressurize the house or suck out air from the interior. The blower door has a variable speed fan and meters to measure.

To conduct a blower door test an infiltrometer or blower door fan is placed in the main entry doorway to depressurize the house or suck out air from the interior. A large fan is used to depressurize the house to 50 pascals the equivalent of a 20 mile an hour wind on all sides of the residence and can also test results room by room. This system comes with a calibrated fan an instrument for measuring pressure and a mounting system. There are three primary components to a blower door.

The auditor then makes some various calculations from the blower door test in order to give you the results. A blower door test is used to determine the air tightness of a home. A blower door is a diagnostic tool designed to measure the airtightness of a building and to help locate air leakage sites. 1 a calibrated variable speed fan capable of inducing a range of airflows sufficient to.

When we do a blower test we close all exterior doors and windows open all interior doors and close all fireplace dampers doors and woodstove air inlets. With blower door testing we ll attach a blower door to your windows and doorways.