Re: Add Cold Air Returns
It sounds as though the air handler is either in a basement or the first level .....Why are the vents for the second floor going to be in the ceiling?
we need to install cold air return vents and duct work in the second floor ceilings. My contractor proposed running the duct up a first floor wall then finishing a wall around the new duct.
In order to have the needed air the ducting to and from the air handler will need to be a certain size. The size of this duct will be dependant on the amount of air volume required for the system to operate properly.
Typically the size of ducting may be around 5 - 6 inch diameter which won't fit within a 2 x 4 framed wall.
It's very common in retrofit installs where the ducting will be out in the open and later be boxed in..... sometimes it's the old ...... can't have your cake and eat it too ..... scenario.
However ... depends on how much you are willing to spend tearing open walls the ducting might be changed to a rectangular type of duct work ... 4 x 10 for example.
There may also be obstructions like beams , or joists that might prevent the duct to be located in that area.
Also where you might think the duct would be better may not end at the optimum area above.
Of course this all sight unseen .
Just some thoughts.
"" an ounce of perception -- a pound of obscure "