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Posted by Joseph Meehan on September 8, 2007, 1:08 pm
>I have a spare bedroom that has 3 registers. The room never gets used.
> Although the vents do close, there is some leakage out of them. With
> winter coming, I was thinking about using magnetic covers to save
> energy. Is there enough air coming through these vents to make a
> difference? See link below.
No, In fact you may be causing problems as it is now.
Depending on the sizing of the system it is expecting to flow between X
& Y amount of air when operating. Reducing that can strain the air handling
system and more. It is not possible to tell from here but I would leave
them at least partly on all year.
>
> http://www.cetsolar.com/ventcover.htm
>
> Also, when I bought my place last year, it did not have AC. I replaced
> the gas furnace and had central air installed. The two bedrooms are on
> the upper level. I have a high air return register in the hallway
> between the bedrooms. I have another air return register on the main
> level of my home, plus one in the finished basement right by the
> furnace. Due to high ceilings in the bedrooms upstairs, it takes a lot
> of heated air to heat the upstairs. Would it be wise, when I start
> using the furnace, to cover the air return register upstairs until warm
> weather returns?
No. Frankly the more airflow the better is usually the answer.
>
> Thanks!
>
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>
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Joseph Meehan
Dia 's Muire duit
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