Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
Havoc
1 day ago
|
parent
|
context
|
favorite
| on:
Show HN: I built an under-the-door fan duct to low...
Cool project. Will need to do similar soon at new place to deal with tech in a cupboard for heat.
900 is still quite high though - upper end of normal for indoor
bizzz
21 hours ago
[–]
Thanks! Yep, the goal is stable 500-600 ppm; now thinking about making it into a positive pressure setup (
https://news.ycombinator.com/item?id=44374107
).
reply
Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
900 is still quite high though - upper end of normal for indoor