Skip to main content

Advertisement

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
     5% 25% 50% 75% 95%
Natural DH28 3.7 5.0 0.1 0.2 0.2 6.8 13.0
Forced Air   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   1.6 2.9 0.1 0.3 0.4 0.7 8.7
  1. DH28 Two story detached home
  2. DH72 Single story detached home