Thanks very much MV. I will consider all the things you said.
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Thanks very much MV. I will consider all the things you said.
Looking good in here brother keep up the great work !!!!!
Almost a wrap for that run.
And that’s a chore.
Fresh air will make a really big difference.
It's really an interesting deal, I think.
I'm well versed in the basics of it all, but this gets a tick more complex. I made a quick drawing of part of my basement layout:
What I'm trying to figure out is an circulation path. I really, really don't want to put a hole in the side of the house (like a dryer vent), and if I did that I would be pushing air out, so that means more air in from the outside at whatever hot and sticky AF temp/humidity it is.
So I would like to just move it to another room, and let the HVAC return from that room suck it through and mix it up.
Let me give an overview of the image and what I'm workin with.
The black arrow going left and coming back is the stairs. (Switchback style.)
So in between the garden area and the shop are the stairs. The light yellow square is a small closet that is downstairs, and under the upper set of stairs coming down.
The light blue part is the landing on the stairs. This is the key, as underneath the landing is all open space about 5ft high. This is open on the end in the garden area. The other side (shop wall) is closed off, but it's just plywood and nothing fancy or anything. I'd be through it in 20 seconds, and most of that is chucking the bit. lol Well, for a bigger hole I may need the jigsaw or something, but whatever. You get the point that it's easy to use, and when I need to cover it back together someday, that's easy too. (Easier than sheetrock. lol)
Notice on the bottom right there are markings for the 2 natural air draws. Keeping them from sucking in hot air is my goal. What the 2 red arrows are showing is the general path I'd like to move some air around. There are 2 ceiling fans in that space that are always on, so it would mix the air up a bit. There are also return ducts in there as well.
But, I would need some sort of draw capability from the finished side into the unfinished side. The air getting sucked out has to be replaced by air from somewhere. If I have some type of air flow coming back, in theory as air is sucked out of the garden area and pushed into the shop and beyond, that should push air through whatever I can set up and back into the unfinished side. Along with the 2 HVAC vents on the unfinished side (not open now, but I plan to when the AC is on), that should keep the draw through the natural outside vents low.
The orange arrow is a second option, but I think I would have to put a hole in a wall somewhere for that. Drywall can be fixed, but man I hate doing that.
Effectively I would hook up a carbon filter in the ceiling, and suck it into the next room.
The last option would be to vent into the shop and then out through a new exhaust vent in the side of the house. When it comes time to move at some point down the road it can be rigged as a plain shop exhaust. That puts a hole in the house, and also would create draw through the natural vents. I would really, really prefer to not do that one.
Anyway, this is where I'm at with it. If the natural draws were elsewhere it wouldn't be as much of a concern, although it still would overwork the AC a bit.
My main concern/point of focus is keeping the air being drawn in through the natural vents to a minimum. With them being (effectively) in the same room as the garden, it could get a bit hairy once the temps get up there. I'd rather not suck in a bunch of hot, humid air to replace warm, not so humid air.
Taking all this into consideration, I think getting the air out and into the shop and then over into the next room is the best I've come up with so far. It's getting the air drawing from there and back in where I'm not sure yet.
If any of y'all have an idea, I'm all ears.
For at least one potential "back into the garden" path, I've thought about the bathroom. I could use the fan duct in there (not on) as one draw point back into the unfinished side. The duct part on the unfinished side is unhooked right now, and could stay that way. There was a stupid bird that thought it would be a good idea to build a nest in there, and had been crawling through the vent. It's one of those with the shutters that open, then close when the air is off. Well I fixed that, but haven't hooked the duct back up. It's on my list, and I don't need reminded every 6 months about it.
I would need a couple more though, and not real sure about the where/how part. My guess is it would have to be a hole in sheet rock somewhere. Maybe in the closet of that bedroom. Wouldn't be noticeable really, which is a good thing. Nobody gets in that room for the most part, and certainly not in the closet. A square cut, save the piece, and fix it from the back since it's studs on the back side.
Hell, I dunno.
Although, if I'm not mistaken and completely off my rocker, I would think that air would also move through the HVAC returns and into the garden side? The area where the return gets sucked into goes through the filter, and the filter is just a slide in type deal. Not sealed up on the intake side of it at all. I think this is so it can also draw a tiny bit of fresh air in too, so maybe with the low volume of air it would suck some through there and into the room instead of through the filter and into the HVAC setup.
Damn I did a drawing and everything hahaCan't really do that. They're 8" and 10" natural ducts. I thought of that, but not a real option either. Too many things need that natural draw. I just don't want to pull 600cfm through it all feckin summer.
Yeah I thought you wanted to use the ducts on the right just for exhaust. A check valve would work great for that. You could ever add a inline if you wanted more positive flow, and a repeat timer if you didn't want it on all the time.I may look at an option of sucking through a carbon filter and pushing it through the exhaust side of my HVAC. That (in theory) should push air through the returns and hopefully circulate.
Dunno though. Ductwork is easier to redo than drywall though.