Air Exchanges Per Hour
- For office space, 2-8 air exchanges per hour are required. [1]
- Air Exchange Per Hour Calculator sez 5 air exchanges per hour for a 12x12 room with 100 cfm.
- 0.4 per hour is recommended per person for ventilation - [2]
- Furnace forced air should be 150 cfm per 10k btu [3]