Jeff Kaufman personal blog
Ceiling Air Purifier
Imagine a high-capacity air filter that is extremely quiet and doesn't get in the way. I think I see how to build one; here's a prototype: By putting a fan on the ceiling you can have very long blades. This is important for keeping noise down: the longer your blades are the more air you move at a given rotational…
- Points
- 273
- HN comments
- 156
- Submissions
- 1
- Cited by
- 0 commenters
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jun 2, 2022 | Ceiling Air Purifier by pavel_lishin | 273 | 156 |
