|
Posted by Bubba on November 14, 2006, 7:57 pm
wrote:
>Hey... I have to cut out return and supply openings in a basement spare
>room from the duct that is already there on the ceiling (it's the end
>of run for both s/r ducts that enter the room I made about 2 feet in).
>They are square ducts. Can I make the openings in the *end* of the
>ducts? Or do I have make the openings on the side? Any required
>distance from the end (if side holes req.)? Just wondering, since I've
>noticed that take-offs are always from the sides or top/bottom and
>there's always a bit left over on the end--is that on purpose for
>design or just to leave a bit for future use?
>
>I know, it's basic, but you are the pros... hehehe
>
>Peace, Dan
Last run should be approx 3 ft from the end of the duct. This allows
the duct work to properly pressurize (filling the ducts with air) and
distribute the air evenly.
Bubba
|