Moderator Post (s) for this thread: >boxed inbyHKestenholz on 01/31/2008
Also you can run a different dimension duct down the center or anywhere else in the room If I knew the size of your furnace I could tell you your options but let's say that for instance your current return duct was 12" high by 20" wide you can replace it with a duct that is 8" high by 34" wide