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Posted by tony on September 18, 2007, 1:59 pm
DO NOT OPEN RETURN IN BASEMENT
"THAT WILL CREATE VACUUM IN BASEMENT"
AND YOU MIGHT WIND UP WITH PROBLEMS
YOU DO NOT WANT!
> Thanks everyone.
>
> I haven't moved into the house yet, but I went there on Saturday morning
> and
> checked out the HVAC duct work in the basement. There are no cold air
> returns and no supply vents in the basement. So the basement is
> completely
> isolated from the system. I found a place where I could easily open a 6"
> x
> 6" space in the cold air return duct and could feel the air being drawn in
> through the opening. About 6 hours later, it seemed like I could already
> feel a marked difference in the basement -- it didn't feel damp or musty
> at
> all.
>
> I'm going to go back this week and check it again to see if that solved
> the
> problem. If so, I'll put an adjustable intake vent in the cold air return
> duct, and I'll add one or two adjustable supply vents for the basement.
>
> It would be great if this simple change solved the problem and eliminated
> the need for a dehumidifier.
>
>
>>I am looking into options to dehumidify a basement in a home that I
>>recently bought.
>>
>> The basement is about 25'x30' with a high ceiling, has poured concrete
>> walls, and two basement windows that are currently sealed shut (I just
>> ordered replacement windows that I am waiting to come in). The basement
>> is dry but it does have a sump pump that keeps it that way. I do know
>> that before the sump pump was put in, the basement used to sometimes get
>> water in it, but the sump pump fixed that (I know the prior owner). The
>> house is located in Eastern Pennsylvania.
>>
>> The only problem is that the basement feels just slightly damp and musty.
>> A friend suggested putting a dehumidifier down there and I am in the
>> process of searching the Internet for general info about dehumidifiers.
>> One thing I just ran across was an ad for a Humidex system, but that
>> looks like all it really does is bring whole house air into the basement
>> and vents air to the outside.
>>
>> Here's what I am wondering. Would one possible option be to just make
>> sure the HVAC has an air intake in the basement so the basement air will
>> get circulated throughout the whole system along with the rest of the
>> house air? The way it is set up now, the basement is pretty much isolated
>> from the rest of the air circulating throughout the house. The house has
>> central air and an electric heat pump for heating.
>>
>
>
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