Ventilation is the system through which fresh outdoor air comes in and stale indoor air goes out. In houses and buildings, where indoor areas are airtight to protect inhabitants from weather, heat and frost, doors and windows are used to
Ventilation, in the simplest of terms, is the process of flushing out stale air and replacing it with fresh air. Good ventilation is necessary not just for breathing, because it affects oxygen levels directly, but also as the oxygen levels
While we all know the importance of air, the lesser understood constituent humidity is vital and drives most of the observable phenomena – from clouds to rain, fog to smog and even extreme weather conditions like hurricanes and typhoons. Humidity is