Table 3 Distribution of simulated 24-hour average air exchange rates for homes with and without forced air ventilation systems.
From: Control of asthma triggers in indoor air with air cleaners: a modeling analysis
Ventilation/Filtration | House Template | Mean | Std Dev | Percentiles | ||||
|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | 5% | 25% | 50% | 75% | 95% |
Natural | DH28 | 3.7 | 5.0 | 0.1 | 0.2 | 0.2 | 6.8 | 13.0 |
Forced Air | Â | 1.8 | 3.6 | 0.1 | 0.1 | 0.2 | 0.9 | 10.9 |
Natural | DH72 | 3.0 | 3.9 | 0.2 | 0.4 | 0.5 | 5.1 | 10.6 |
Forced Air | Â | 1.6 | 2.9 | 0.1 | 0.3 | 0.4 | 0.7 | 8.7 |