Blower Door Test Attic

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.

Blower door test attic.

There are two types of blower doors. A blower door test is used to determine the air tightness of a home. 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. 1 a calibrated variable speed fan capable of inducing a range of airflows sufficient to.

Also known as an infiltrometer blower. 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. 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.

A blower door test to evaluate the effectiveness of air leakage sealing is highly effective for any homeowner or soon to be homeowner. If you have multiple attic access points please make sure we can get into all of them. When operated by our highly experienced technicians a blower door helps to test your air ventilation and quality. A blower door is a diagnostic tool designed to measure the airtightness of a building and to help locate air leakage sites.

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. The blower door has a variable speed fan and meters to measure. The auditor then makes some various calculations from the blower door test in order to give you the results. This process will cause outside air to be drawn into the house through leakage points.

Air leakage testing involves performing a blower door test on the building to determine how leaky the home is. With blower door testing we ll attach a blower door to your windows and doorways.