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Skirt vents. Should they be open all year ?

Posted: Sat Sep 12, 2020 4:40 pm
by JustRayInWi
Afternoon.

I have a 1973 single wide. (14 X 60)
It has the metal solid skirting with NO vents at all.

I want to install some venting.

Most sites I have visited have been very specific about how to calculate so as to purchase the correct number of vents.
So, I think I have that covered.

Today, when I was search for vents to purchase, I see there is one type of vents that opens and closes based on a thermostat of some kind.
They open at 70 degrees and close at 40 degrees,

I also see there is a style of vent that can be opened and closed manually.

Here's my question:
Should vents open and close ?
Or, should they remain open once installed.

I'd appreciate any advice on this.

Thanks

Re: Skirt vents. Should they be open all year ?

Posted: Sun Sep 13, 2020 6:37 pm
by Greg
My personal opinion is this, If you live in a cold region you really do not need (or want) ventilation. You want as much heat under your home as possible to keep things from freezing. If you live in a warmer region leave them open year round.

Greg

Re: Skirt vents. Should they be open all year ?

Posted: Sun Sep 13, 2020 6:45 pm
by JustRayInWi
Thanks. I appreciate your time, and reply.

Re: Skirt vents. Should they be open all year ?

Posted: Mon Oct 12, 2020 1:20 pm
by Norm Frechette
i live in Connecticut

i have skirt vents (built in to skirting) all around my home and have never had a problem (12 years)

Re: Skirt vents. Should they be open all year ?

Posted: Mon Oct 12, 2020 2:23 pm
by JustRayInWi
You know, I wondered about that.

I know a stick built home inspector.
He told me that unconditioned attic spaces, should be the exact temperature and humidity as the outside, all year round.
90 degrees and 75% humidity outside ?
The attic should be identical.

So, I thought, why not the same for crawl spaces under homes.

I also found a number of Internet based posts that say the ONLY way to reduce crawl space odors, is with proper ventilation.

Thanks for your post.

Ray in Wisconsin