Table 2.

Minimum required ventilation flow rates (Q) in dm³/s and air change rates per hour (n) for an indoor sports center and a shop of 1000 m² floor area, 5 m height and 100 persons present, according to Ref. [49,[[54], [55]]].

Function	Indoor sports center		Shop
	Q (dm³/s)	n (h−1)	Q (dm³/s)	n (h−1)
Building Code (new buildings) [49]	650	0.47	400	0.29
Building Code (existing buildings) [49]	344	0.25	212	0.15
Sports Guidelines [[54], [55]]
General (11.11 dm³/s/person)	1111	0.80
Fitness area	8333	6
Aerobics and martial sports area	11111	8
Indoor cycling area	13889	10