Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
QuickToBan
on July 9, 2019
|
parent
|
context
|
favorite
| on:
Indoor carbon dioxide levels could be a health haz...
The use of AC increases CO2 indoors, doubling or tripling it. Measuring is how I know. AC decreases ventilation.
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:
