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 1:34:51 ZERH Webinar Series Program Overview 1:57:43 COMCheck Overview Webinar 1:07:47 Admin of the Energy Efficiency Provisions 59:07 Manual S 1:02:19 Manual J 1:09:02 2021 Residential Changes Part 2 1:05:40 2021 Residential Changes Part 1 1:01:25 2021 Residential Testing 56:04 Architects Implement Energy Regulations «1…4567»Page 6 of 7