Resource Library
Home Performance: HVAC Duct Design: Manual D, Fittings, Friction Rate, Pressure Loss, & Static Pressure w/ Alex Meaney
Video
Overview
A high level discussion about duct design calculations, the Manual D and ASHRAE ways.

The Building Performance Workshop’s Corbett Lunsford talks with HVAC design calculations trainer Alex Meaney (https://MeanHVAC.com), about duct design calculations, the Manual D, and ASHRAE ways.
Related Resources
Passive House Podcast: Mark Siddall, LEAP
In this episode, LEAP architect Mark Siddell walks us through the eight stages of the RIBA Passive Haus Overlay.