Adding Heat Ducts

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  #1  
Old 10-21-02, 08:34 PM
mistermwood
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Adding Heat Ducts

I bought a 1950 Cape Cod. I only have 1 heat duct in the whole house, in the middle of the house. I want to run new heat ducts in my living room, dinning room and 2 bedrooms. I have no return air ducts. I would like to know where I could find info on how to do this. The Heater I have in the basement is forced air and is only 1 year old.If anyone could help I would really appreciate it.Thank you.
 
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Old 10-22-02, 12:54 AM
lynn comstock
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Look at this information for a good start.

http://www.llbuildingproducts.com/ll...html#ductsize1

Round is the best shape for a duct. Square is next. The flatter and wider it is the more friction there is and the duct area must get bigger. A ratio of 4 to 1 is the flattest recommended ratio.

Also look at http://hem.dis.anl.gov/eehem/01/010314.html
 

Last edited by lynn comstock; 10-22-02 at 01:25 AM.
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