I would then have a 30 foot extended plenum up high running nearly the length of the attic supported by the rafters and drop flex branches to the boots. I would run the return on the floor or joists supported by vibration isolating foam blocks.
I don't see why it wouldn't work. . . Sounds really creative and awesome
I think I need to do this myself. My brother is always figuring out things like that all of the time, and does excellent 99.9% of the time
4 - 5 Ton
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