Elevated Air Purifier Cubes

December 18th, 2021
airquality, covid-19
I've been a big proponent of box fan air purifier cubes, but they are bulky and fragile. If your ceiling is 8ft+, elevating them is an attractive option:

I made two of these for my dad's house this afternoon. The goal is for them to be out-of-the-way, and easy to turn on any time he has visitors.

The only heavy part is the box fan, since the rest of the cube is filters and tape, so the goal is to make sure the fan is well supported and not going to tip over. I used an angle bracket and a short length of wood to make a shelf under each fan, and then taped the fan to the shelf and wall. The filters are also taped to the wall. When taking them down I'll probably need to use a small amount of spackle for the holes, and touch up the paint if the tape takes some paint off, which it probably will. If I wanted to avoid having to tape anything to the wall I could have used two angle-bracket shelves each.

With an 8' ceiling you would want to have the cube flush against the ceiling, which gets you a tight-but-probably-ok 6'3" of clearance and three sides for filters. If your ceiling is taller, like these ones were, you can have a fourth filter on top while still maintaining reasonable clearance.

Referenced in:

Comment via: facebook, lesswrong, substack

Recent posts on blogs I like:

Linkpost for September

Regular announcements: did you know you can hire me for life coaching and general consulting? You can also buy my novella Her Voice Is A Backwards Record wherever fine books are sold (except Google Books).

via Thing of Things September 8, 2025

Against the Teapot Hold in Contra Dancing

The teapot hold is the most dangerous common contra dancing figure, so I’ve been avoiding it. The teapot hold, sometimes called a "courtesy turn hold,” requires one dancer to connect with their hand behind their back. When I realized I could avoid put…

via Emma Azelborn August 25, 2025

Little Puppy

She's very little and she likes to do stuff with me. She also likes to bark around and run around and jump around. She also likes to go to places with me and that's all I have.

via Nora Wise's Blog Posts August 23, 2025

more     (via openring)