Calculate duct pressure drop and size. Compute equivalent rectangular duct clear dimensions and correct rectangular dimension. Choose altitude from World Locations database and modify duct friction factors. The program is based on calculation procedure in ASHRAE Fundamentals Handbook.
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DuctMate is an interactive duct pressure drop and size calculator. The application calculates equivalent rectangular duct clear dimensions, it allows fixing of any rectangular dimension, and it is based on calculation procedures from the ASHRAE Fundamentals Handbook.