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Bonus Room HVAC balance

  05/12/2008 10:00 AM curiousB
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Math magic

 05/12/2008 10:42 AM HKestenholz Moderator

Nine supplies divided by three returns equals insufficient returned air, unless you have enough air leaks to dump 2/3rd the air outdoors through leaks in the walls.

http://www.heatpro.us/duct/squareft.htm

4 x 10 x 9 = 3600 sq inches of supply.
4 x 10 x 3 = 1200 sq inches of return.

www.heatpro.us energy businessmen's knowledge

Yes, you really have to find out the MAKE and MODEL to get good answers. There IS more than one machine made.

 Member Since
05/02/2001

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