I am finishing my basement and need to put 3 new air outlets from my ductwork on the basement ceiling to the new rooms below. #1 will be from a rectangular duct - no problem - cut a hole and put in an outlet.
#2 and #3 have to come from round ducts - I have no idea how to do it. I am planning to go to Home Depot and ask advice this weekend but sometimes don't get straight answers there. Go figure! LOL
Any advice? Thanks!