Quote:
Originally Posted by Hube
These rooms that have no good air flow,do they have any RETURN air?
If they do have return and still are low in airflow then the duct system could be in need of a"tune-up". This is done by dampering off some of the airflow to the rooms that have a great air flow thus giving more air to poor ones.
Note; there is no rule of thumb when it comes to PROPERLY sizing a duct system. It is done by using heat loss/gain calculations( Manual J and D ) from the location, orientation and construction , insulation, etc, of the home.
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Properly being the key word here.
I'll have to try dampening off the ducts again but if I remember correctly it didn't help.
I have 2 returns 1 main in the hallway about 20+" and another in the great room not sire of the size. Thx for the response.