Replacing Ducts

Old 05-24-06, 10:04 AM
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Join Date: May 2006
Location: Phoenix, AZ
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Replacing Ducts

I recently purchased a 1957 block home. The ducts, when viewing it from the register side, look rusted. The house use to have evap and now it has AC, but the ducts are the original system. Should I replace the ductwork or have it cleaned? Does it matter?

Someone suggested having the registers placed in the ceiling in the center of each room instead of above the entrance ways to each room (that is if I need to replace the ducts). Is this a better option? Would this cut down on cooling costs or just be a poor investment if the ducts need to be replaced?

I will be happy to give more information if needed.
Old 05-26-06, 07:39 PM
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Before you go changing a/c ducts you might first check if you have a mold problem as that stuff can make you sick. If no mold, does the conditioned air stink of rust (or anything else)? If not, I think I'd leave as is. Save your money.
Old 05-27-06, 04:15 AM
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If there not leaking and no mold don't worry about them.

If you were to replace, supply air always go on the exterior walls and returns on interior walls.

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