Can I use a Duct Blaster fan to conduct airtightness tests of houses?

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Yes. The Duct Blaster fan’s 1,350 cfm (cubic feet per minute) air flow capacity at 50 Pascals will allow you to conduct a complete airtightness test on most houses built to energy efficient airtightness standards. For example, the Duct Blaster fan can generate a 50 Pascal test pressure in a 3,000 square foot house built to a performance standard of 3.0 air changes per hour. For tighter houses (1.5 air changes per hour) the Duct Blaster fan can test a house up to about 6,000 square feet. We even make a nylon door panel for use with our adjustable aluminum frame that is sized just right for the Duct Blaster fan.