Blower Door Fan Test

When the fan is turned on it creates a pressure difference between the outside and the inside.

Blower door fan test.

Pole rd everson wa 98225. Blower door tests are performed by certified energy auditors to determine to what degree a home is airtight. 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 blower door test is used on buildings in order to quantify the amount of air leakage through its enclosure.

Retrotec eu hardermaat 12 7244pz barchem netherlands 31 0 522 282941. 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. There are two types of blower doors. A blower door is a machine used to measure the airtightness of buildings.

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. The blower door test is part of the energy evaluation of your home. The mlm measuring system has been developed in order to guarantee the functionality of ventilation systems by conducting airtightness tests of the duct system. Blower doors and duct testers measure airtightness in homes and buildings with blower doors and duct testers.

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. As a modular system it can be used also for single family homes and apartment buildings using one or two blowerdoor fans. Conducting a test determines if there are unsealed cracks resulting in air leakages that require immediate sealing. Air leaks are easily located by the loud sound of air rushing through the openings.

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. 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. A temporary blower door equipped with a powerful fan is fitted into the frame of an.