Dec 8, 2010 · A jump duct is a large insulated flex duct that connects two ceiling grilles, one just inside the door to the supplied room and the other just on the other side of the door in the …

Oct 11, 2020 · Flex has a better chance of keeping noise down, especially if you give it a couple bends along the way. Size it generously - if you know the supply cfm, size the flex for the …

Jan 11, 2023 · The duct transfers already conditioned air, so at least it is not the initial delivery of conditioned air. There is very little if any sound transfer through the transfer duct. I have a …

Jul 5, 2020 · I'm looking to add a jump duct (aka transfer grille) in the second bedroom to help with airflow. I don't want to install it over the doorway frame due to sound and light leaks and …

Jan 6, 2024 · Having return duct runs to maybe 3 locations might be possible, but very tight, and it also edges up the static pressure of the system. It would be much simpler to have a single …

Apr 3, 2018 · This proves this room needs return or a jumper duct. But it also needs something to drive air movement. Maybe if you go ahead with this, put a jumper vent near the floor and …

Jump duct at vented attic It may be surprising that just these three systems — mechanical, electrical and plumbing (MEP) — can make up as much as 15% of the total environmental …

Dec 30, 2018 · I guess I was over thinking this a bit then. Yes, in my new home the master bath (16x10) does have exterior walls and will likely have a supply. The walk-in closet (9x10 and …

May 11, 2017 · Jump ducts can provide a bit more privacy for bedrooms than door cuts. It's pretty easy to convert a partition wall stud bay into a jump duct, with a small grille near the floor on …

Jun 12, 2013 · Researching here and elsewhere I see that "jump ducts" using insulated flex duct from the ceiling of closed off bedrooms, to adjacent common spaces are one possible retrofit …