I intended too include this in my earlier reply. If your intention is for, as clean air as possible in your tent. Then a HLPA filter on the intake will be best, but the tent needs to be kept in a positive pressure. Here is the catch 22, positive pressure let’s the smell come out of small openings I referred to earlier.
Hey DeepDave,
I think your drawing would work, but with drawbacks. Mainly it looks like you will be moving heat from one tent into the other. You will need to use as little flex duct as possible and as much straight duct as possible. Also you will need balancing dampers on the ducts connecting the tents.
It would be best to have two independent systems on each tent. You could save some by using only one fan on the intake and exhaust. You could spit the duct between the fans and the tent with a tee or a Y fitting. You will also need a balancing damper on the inlet and outlet of each tent. I believe either one of these two options will give better control of each tent’s conditions.
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@Ickey Thank you. I am still designing, as I watch temperatures rise.
I have a “T” on order. Why the balancing damper? For air or light blocking?
Just asking, my friend.
@DEEPDIVERDAVE I was referring to using them for air balancing devices.
First, it is a good idea to oversize your fan. Then use a dampening device or better yet a speed control to limit it’s output.
Second, when you split a duct. The air will follow the path of least resistance and favor one outlet side. You may need to add resistance to that outlet in order to bring it into balanced air flow.
I find your venting into the attic idea interesting. It could eliminate your need for any odor control. A skunk in the attic is less noticeable than one in the basement. You may want to consider using a 8 inch smoke pipe for your ceiling penetration, and make a small chimney into your attic. If you can get this about 10 foot long. You may pick up a surprising amount of natural air draft here. This would reduce your fan requirements on the exhaust side.
This set up maybe better then constantly replacing expensive carbon filters. If your ever decide to shut it all down, patching a hole in a drywall ceiling is not a big deal. Hang on to the drywall plug that you cut off.
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