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 .
⭐⭐⭐⭐☆ (4.5/5 — loses half a star for making me re-learn what a “radius heel” is) Ashrae Duct Fitting Database Version 6.0 Free Download
Let’s be honest: most people download software for games, photo editing, or cheating at solitaire. HVAC engineers? We download databases of loss coefficients. And somehow, I’m genuinely excited about this one. Over 1,200 fittings
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 Each one includes loss coefficients (dynamic losses, not