Blower Door Fan Test

A blower door is a machine used to measure the airtightness of buildings.

Blower door fan test.

There are two types of blower doors. Blower door tests are performed by certified energy auditors to determine to what degree a home is airtight. During this test the advisor goes through your home to locate the possible air leaks. It is a performance test that uses a device to verify the air tightness of your house which means that it measures the amount of outdoor air that enters your home.

The blower door test is part of the energy evaluation of your home. With our equipment you can perform airtightness checks to reduce energy costs and interior air quality for overall comfort. 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. Blower doors and duct testers measure airtightness in homes and buildings with blower doors and duct testers.

Air leaks are easily located by the loud sound of air rushing through the openings. When the fan is turned on it creates a pressure difference between the outside and the inside. A blower door test is used on buildings in order to quantify the amount of air leakage through its enclosure. The bottom line is blower door testing is an easy way to determine how well sealed a home is and also an effective tool at locating air leaks.

During this test a calibrated fan is installed in an otherwise sealed door or window while all the other openings to the exterior are closed. In fact we were able to identify some bad weatherstripping on one of the exterior doors during the test. A temporary blower door equipped with a powerful fan is fitted into the frame of an. Pole rd everson wa 98225.

We calibrate all blowerdoor measuring fans using a test stand designed and implemented by blowerdoor gmbh which has been calibrated by the physikalisch technische bundesanstalt ptb germany s national metrology institute with an accuracy of 1. 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. As a modular system it can be used also for single family homes and apartment buildings using one or two blowerdoor fans.