what static pressure is normal for residential duct?

I am trying to design a duct system using a ductulator and dont know what static pressure to start with

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  • 1 decade ago
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    I dont know how much effort you want to put into the efficiency of your system. I am going to suggest that you read this study by the Department of Energy. It will answer your question about the Static Pressure and create several other questions you might want answers to. Click this link, Static Pressure is addressed on page 10 or 11. Good luck.

    http://www.osti.gov/bridge/servlets/purl/803766-kW...

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