HVAC Buddy Duct Calc

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This tool runs through iterations to generate a list of duct sizes meeting a given friction loss, velocity, and material. Calculations are based on friction loss equations recommended in the ASHRAE Handbook of Fundamentals 2009 to come up with each list of acceptable ducts.

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October 2016

This Month in Professional Builder


The Home Builders Institute is dedicated to providing a path to employment for those who need one—and it’s helping alleviate the labor shortage in the process

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