Blower door


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Blower door

A large fan placed in an exterior doorway to pressurize or depressurize a building to determine its air leakage rate expressed in air changes per hour or cubic feet per minute.
References in periodicals archive ?
Using blower door tests and infrared cameras, energy audits measure air leaks and detect air infiltration or missing insulation.
A blower door test was performed at the end of construction as part of the commissioning process to validate the actual infiltration rate, which turned out to be 0.
Tenders are invited for retro-fitting insulation and insulation upgrades to all types of residential buildings; air sealing measures to increase energy efficiency of residential buildings, using blower door diagnostics and measurement; mechanical ventilation and minor electrical upgrades and heating system service work, repair and replacement.
If you can do a blower door test, it will indicate how tight your building is.
While renovating the Portsmouth property Eco Sound performed periodic blower door tests and added thermal envelope wrapping to help the home achieve Passive House standards for air-tightness.
The Blower Door Test simulates 20 mph winds on the external walls, roof, and floor, if raised.
Standards and protocols for conducting blower door testing to measure the envelope leakage of single-family, detached homes are well understood and consistently applied.
We would be invited into someone's house and test it using a large fan called a blower door to find out how drafty their house was, where the leaks were, or whether it was filled with bad air from being too airtight.
A study conducted in a US home by Bayer MaterialScience LLC researchers to demonstrate the benefits of polyurethane (PU) sealants shows there was a 25 per cent reduction in airflow based on blower door testing performed before and after the sealant was applied.
The energy auditor who did your blower door test can come back after you've sealed up your house, measure the current level of air exchange, and make recommendations to achieve the optimal level.
Brownmiller uses specialized equipment, including an electronic blower door that pulls the air out of the house and an infrared camera that detects where air is coming into the house, to determine what energy issues a homeowner may be having.
Quantitative methods for testing air leakage from a building, such as blower door technology, infrared thermal imaging, and duct blasting, were also part of the training, which took place in classrooms and in hands-on laboratory exercises.