Blower Door - Uses of Blower-door Testing

Uses of Blower-door Testing

Blower doors can be used in a variety of types of testing. These include (but are not limited to):

  • Testing residential and commercial buildings for air tightness
  • Testing buildings for compliance with standards for energy efficiency, such as the IECC and ASHRAE.
  • Testing building envelopes and window frames for water tightness and rain penetration
  • NFPA Clean Agent Retention testing (this type of testing is usually described as a door fan test rather than a blower door test)
  • Duct leakage testing of forced air heating/cooling systems - both supply (vents) ducts and return ducts can be tested to determine if and how much they leak air.


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