exhaust help

bigbacon2

Active Member
So i am using both of my bedrooms upstairs one for veg one for flower. Now my question is inbetween the two rooms there is a little open area at the top of the stairs with 2 little doors one on each wall. These doors are about 3 feet tall and i opened them and they are little crawl spaces. The house is an A frame house but from the roof to the wall is about 2 or 3 feet wide where these crawl spaces are. You can see insulation but it is covered by a thick black tarp. My question is can i run my exhaust for both rooms into these crawl spaces. ME and a friend were talking and we thought there were vents in there somewhere to let the heat out of the top of the house? I dunno. If i exhaust out there will i cause harm to the house or mold or anything like that?
 

flamdrags420

Well-Known Member
I'm having a hard time picturing it based on your description.
Crawlspaces are usually associated with with foundations of 3 feet or less in height.
If what you are referring to is the attic or roof space, then yes you should be fine venting into there. (you would be safe to vent into a crawl space too). As long as the space you are venting to is in itself vented, then all is good.
Attics are usually vented via passive venting (soffit vents etc.) or exhaust fans, or a combination of both.
A properly vented attic space(that is not used for living) should be the same temp. as the out doors. So when you vent your rooms to such a space, ideally, then you should see that the room air will mix with air in the space and be recycled out.

Because A Frame houses have roofs that extend to the ground level, venting most likely is done by one end of your gable pulling air in on one end and moving air through the length of the space to the other gable pushing air out. It's this exchange of air that prevents mold and other aliments from forming.
 

drinkinsig151

Active Member
bacon... you can pretty much exhaust anywhere. but remember if it doesn't have a fan from that space outside heat will build up in that space... I would climb on the roof and check out what you have above that space you can utilize... Ideal would be if you could find the "roof cap" at the top of the crawl space and run the exhaust in to one of these... or if you own the home you have a lot of options....
 
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