Blower door
A blower door is a device for testing the airtightness of a building. A blower door consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow. The combination of pressure and flow can be used to estimate the airtightness. The airtightness of a building is useful knowledge when trying to increase energy conservation or decrease indoor air pollution.
Uses of Blower Door Testing
Blower doors can be used in a variety of types of testing. These include (but aren't limited to):
- NFPA Clean Agent Retention testing
- Testing residential houses for air tightness
- Testing buildings for compliance with the Leadership in Energy and Environmental Design (LEED) standards for energy efficiency
- Testing building envelopes and window frames for water tightness and rain penetration
See Also
Manufacturers
There are three main manufacturers of blower doors.
Energy Conservatory makers of the Minneapolis Blower Door
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