Ashrae Duct Fitting Database Excel Jun 2026

| Sheet Name | Purpose | |------------|---------| | | Dashboard, selection & calculation | | ASHRAE_Data | Raw coefficient tables (locked) | | Custom_Fittings | User‑added fittings | | Fitting_Schedule | Log of all fittings for a project | | Help | Instructions & references |

: Input the loss coefficient into your sheet using the standard formula for fitting pressure loss: ashrae duct fitting database excel

The ASHRAE Duct Fitting Database Excel is a comprehensive tool that provides engineers and designers with accurate and reliable duct fitting data. The database is widely used in the HVAC industry, and its applications in duct system design, pressure loss calculations, energy efficiency, and commissioning and testing are numerous. The importance of accurate duct fitting data cannot be overstated, as it directly impacts the efficiency and effectiveness of duct system performance. By using the ASHRAE Duct Fitting Database Excel, engineers and designers can ensure that their duct system designs are optimized, efficient, and cost-effective. | Sheet Name | Purpose | |------------|---------| |

In Excel: = [@Coefficient] * (0.602 * ([@Velocity_FPM]/4005)^2) for IP units. By using the ASHRAE Duct Fitting Database Excel,

: Many engineers build custom sheets using formulas from the ASHRAE Fundamentals Handbook