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 53:13 IECC 2021 Commercial Mechanical and Plumbing 1:08:49 IECC 2021 Commercial Lighting 41:09 IECC 2021 Commercial Architectural «1…567Page 7 of 7
