Ashrae Duct Fitting Database Version 6.0 Free Download < 100% RECOMMENDED >

Over 1,200 fittings. Elbows, tees, transitions, wyes, boots, and that one weird fitting that looks like a M.C. Escher drawing. Each one includes loss coefficients (dynamic losses, not static—don’t @ me) that actually match ASHRAE’s latest research. Version 6.0 adds more rectangular and spiral fittings, plus better support for AutoCAD/Revit exports. Yes, it’s still an Excel-based interface from 2005, but somehow that makes it feel earnest .

Get it from the official ASHRAE website (not a random HVAC forum from 2014). Your future self—sitting in a mechanical room at 2 AM, balancing a system—will thank you. Ashrae Duct Fitting Database Version 6.0 Free Download

Final line: If you’ve ever muttered “coefficient of local resistance” out loud in public, this is your GOTY. Over 1,200 fittings

⭐⭐⭐⭐☆ (4.5/5 — loses half a star for making me re-learn what a “radius heel” is) Each one includes loss coefficients (dynamic losses, not

Here’s an interesting, slightly tongue-in-cheek review of ASHRAE Duct Fitting Database Version 6.0 , written as if by a veteran HVAC engineer who’s seen it all. Finally, a spreadsheet that understands my ductwork existential crisis