This webinar discusses Manual D, which provides users with design parameters and calculations for adequate duct air flow. Building department personnel,Mechanical, electrical, and plumbing engineers ductwork,Manual D,residential You may also like 1:14:34 Blower Door and Duct Leakage Testing 45:47 2024 IECC Sunrooms and Garages 59:09 Radon 1:20:17 Interconnection of Vapor and Air in Walls 57:16 Heat Pump Overview 1:00:47 Heat Pump Sizing 1:00:19 Heat Pump Installation 1:00:56 RESCheck Overview 57:56 IECC Commercial Airside HVAC «1234…8»Page 2 of 8