Originally Posted by Doc Holliday
Or simply add a return in the master.
at the same time we added the transfer grills, we also added a second return (18 inch steel duct, 25 by 30 grill). This was the best thing we ever did. The original return was very undersized (25 by 30 for 5 ton heatpump)
We could not add returns in each room, due to obstructions in the attic, but I sure would have if I could.
each situation is different, but if you have the room and you seal and insulate correctly, a return in each room is not a bad idea!!!!