Retrotec Residential Pressure & Air Leakage - Manual (Page 37)

Page 37 of 75
but you should use it for Method 2.
Rough guidelines for the minimum size of the tent are?
Tent size on each side Maximum flow into tent Maximum flow out of tent
2 feet 750 CFM 1500 CFM
3 feet 1500 CFM 3000 CFM
4 feet 3000 CFM 6000 CFM
6 feet 6000 CFM 12000 CFM
Larger tents generally work better because velocities are lower.