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The answer is it probably depends on which part of the country you live
in. If you're in the eastern half of Texas where relative humidity
levels in the summer might hover around 70%, you can make a strong
argument that the vents should be shut year-round. The idea that
allowing cross-airflow to carry moisture out of the building doesn't
work if the air you're outside air you're drawing in has even higher
water content.
Decades ago, the belief was that crawlspaces needed to have good
airflow. Some people even replaced their vents with small fans. These
days the mindset, including that of the Department of Energy, seems to
fall solidly into the seal-up-your-crawlspace school of thought.
J
On 10/30/18 10:57, Robert Nogueira wrote:
>
> The house attached to my garage is pier and beam with a crawl space.Â
> On two ends of the foundation are some vents which have removable
> covers. The covers have been on for many years, The crawl space is
> bone dry.
>
> The question, do need to remove the covers? If so which season?
>
> Thanks,
>
> Â Bob in Texas
>
>
> _______________________________________________
>
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<p>The answer is it probably depends on which part of the country
you live in. If you're in the eastern half of Texas where
relative humidity levels in the summer might hover around 70%, you
can make a strong argument that the vents should be shut
year-round. The idea that allowing cross-airflow to carry
moisture out of the building doesn't work if the air you're
outside air you're drawing in has even higher water content. <br>
</p>
<div class="moz-cite-prefix">Decades ago, the belief was that
crawlspaces needed to have good airflow. Some people even
replaced their vents with small fans. These days the mindset,
including that of the Department of Energy, seems to fall solidly
into the seal-up-your-crawlspace school of thought.<br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">J</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">On 10/30/18 10:57, Robert Nogueira
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:A1379A23-F135-4D12-B8EF-FFE1BE1A2C9E@me.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span
style="font-weight: bold; background-color: rgba(255, 255,
255, 0);">The house attached to my garage is pier and beam
with a crawl space. On two ends of the foundation are some
vents which have removable covers. The covers have been on for
many years, The crawl space is bone dry.</span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span
style="font-weight: bold; background-color: rgba(255, 255,
255, 0);">The question, do need to remove the covers? If so
which season?</span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span
style="font-weight: bold; background-color: rgba(255, 255,
255, 0);">Thanks,</span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span
style="font-weight: bold; background-color: rgba(255, 255,
255, 0);"> Bob in Texas </span></p>
<br>
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<pre class="moz-quote-pre"
wrap="">_______________________________________________
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href="mailto:Shop-talk@autox.team.net";>Shop-talk@autox.team.net</a>
Archive: <a class="moz-txt-link-freetext"
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</pre>
</blockquote>
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