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Old 01-15-2009, 02:17 PM   #1
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Return air ducts


I am having a heat pump installed to replace the current AC unit in my ranch home. We currently use electric baseboard for heat. I will use the current duct work for heating and AC and keep the electric baseboard. One contractor says that I will need to add a low return. The other says that the current return located in the ceiling near the air handler in the hallway is fine and I do not need to add the low wall return. We are only heating/cooling the one level. Below level will still use electric baseboard as the main heat and no AC. Do I really need a return near the floor? Please help.

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Old 01-15-2009, 02:20 PM   #2
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Return air ducts


You don't NEED one.

Adding one will improve your overall comfort. It is not required for system operation.

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Old 01-15-2009, 02:24 PM   #3
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Return air ducts


Not absolutly needed. it will help a little on comfort but there are a lot of systems out there as you presently are. Can you add the return later if you are not happy. Or are the adding the low return because you need the additional air flow.
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Old 01-15-2009, 02:31 PM   #4
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Return air ducts


Yes, I can add it later if needed. The contractor said that the return is mainly for pressure, and that the air flow will be fine. I was just concerned about whether I should spend the money to do it now or try it without spending the additional money and losing closet space to run the duct.
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Old 01-15-2009, 02:33 PM   #5
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Return air ducts


Thanks for the quick replies...
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Old 01-16-2009, 07:26 AM   #6
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Return air ducts


What part of the country are you in? In other words, which season is longer: heating or cooling?
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Old 01-16-2009, 07:10 PM   #7
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I live in PA, so heating is probably longer.
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Old 01-16-2009, 10:47 PM   #8
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Return air ducts


Good chance, your current supply registers, are crappy for heating.

They probably don't blow the air downward.

The low return would help them heat your house better.

It will be your choice, replace the supplies, with registers that blow air downward, in both winter and summer, or add a low return.

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