Quote from: tenletters on September 28, 2022, 04:44:12 AMI took the residential air design course. If you don't know about sheet metal design, it's pointless and all you get is the ability to slap your number on a print the installers will just laugh at.On paper did they reach you the sizing tho?
The software won't taper down the duct properly the longer the run is. It'll use a 6'' round for 2 cfm of air you should have just removed.
The software makes the drawing for you, but you have to know what stuff to change.
Also they don't teach software. You do it by paper in that hrai class.