Giantsean
Member
Hi All,
At long last I am fixing to install two additional return registers to my system which has been struggling to breathe and move air for about eight years. The return trunk is 8" H x 16" W. As I have lengths of 6" and 7" flex leftover from the install, I want to put them to use. The 6" run is not a concern as I have space, but the 7" takeoff is raising some questions. You can see from the pics the joist bay from which the flex will drop down. Originally I had hoped to take a 7" round starting collar straight into the 8" side, but as you can see there is a lot going on in this area.
Assuming a 7" starting collar is not already too big for an 8" duct, I might have to move the condensate line up a bit (above the wires and tighter to the joists). I could also attach it (or a square takeoff) to the bottom though it's not ideal. The top is not accessible at all.
Last option is I could just go 6" on this one though I really want to maximize the airflow. From my understanding there's no such thing as too much return air.
Thanks for any advice on how to best do this!
At long last I am fixing to install two additional return registers to my system which has been struggling to breathe and move air for about eight years. The return trunk is 8" H x 16" W. As I have lengths of 6" and 7" flex leftover from the install, I want to put them to use. The 6" run is not a concern as I have space, but the 7" takeoff is raising some questions. You can see from the pics the joist bay from which the flex will drop down. Originally I had hoped to take a 7" round starting collar straight into the 8" side, but as you can see there is a lot going on in this area.
Assuming a 7" starting collar is not already too big for an 8" duct, I might have to move the condensate line up a bit (above the wires and tighter to the joists). I could also attach it (or a square takeoff) to the bottom though it's not ideal. The top is not accessible at all.
Last option is I could just go 6" on this one though I really want to maximize the airflow. From my understanding there's no such thing as too much return air.
Thanks for any advice on how to best do this!