Version 11 - 2025/01/05
by
@nousaerons.bsky.social
/
letsair.org
Choose the units of the form
m/m
2
/m
3
ft/ft
2
/ft
3
The room and its users
Surf. of the room
m2
Ceiling height
m
Number of adults
Number of children
Ventilation of the room
None or poor (ACH = 0.5)
Medium (ACH = 3)
Good (ACH = 6)
Highly efficient (ACH = 12)
Activities in the room
At rest, speaking normally
Singing, shouting, dancing moderately
CO2 levels and Air Renewal Quality without opening the windows:
After 30 mn
After 1 hour
After 2 hours
RECOMMENDED OPENING WINDOWS INTERVAL TO HAVE GOOD AIR RENEWAL:
Performance of the air purifier(s) to be installed in the room:
(CADR = Clean Air Delivery Rate)
