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I’d like to build a ducting system to actively push air from one room to another. Is that a thing? (self.homeimprovement)

submitted 6 months ago by ch00f to c/homeimprovement

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So my home office is in our basement while my wife’s is in a finished attic space. We have a mini split system, but it has to be all heat or all cooling, and many days it’s cold in my office, but hot in my wife’s office.

Thanks to a defunct chimney, I have a pretty decent path from the attic to the basement that could easily accommodate some kind of ducting.

I’d like to make a system that can push air from my office to hers or vice versa as needed. I think this would really help the house in general as cold air tends to pool in the basement.

I’ve seen plenty of ducting booster fans, but I’d like something with a speed (or at least direction) control accessible from the outside.

Does something like this exist? It would need to force air through maybe 30-40’ of ducting.

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[–] [email protected] 3 points 6 months ago

Yes. The unit and controls can be at the entrance from the rooms into the chimney, and you'll need to cover the top of the chimney to get flow from room to room, and put air filters in-between the fans and the chimney if it has ever been used. If you want to get a little fancier, you can have the top of the chimney open and close so that you can pull air from outside or vent air out of both areas...