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Ventilation Information
What is the Ventilation?
It isto keep the air clean and comfortable by supplying clean outside air to inside and exhausting humid contaminated air.
Why? Is Ventilation necessary?
- Keep air clean
- Control increasing indoor temperature
- Sanitation for people
- Prevention condensation
- Prevention spoiling of furniture
- Prevention mold and rust
The cause of indoor air contamination
The IAQ can be changed by buildingstructure, ventilation, area, seasons and so on, general contamination of air causes by activity of people, construction material, inflow of contaminated air.
| Change of living habits |
Increasing of indoor activity time(over 90%) (book, newspaper, couch, carpet, pesticide, air freshener, cleaner, spray, pet, tobacco) |
|---|---|
| Increasing standard of living |
Increasing of attention of IAQ (gas heating, cooking, furniture, car emission) |
| Airtight of building |
Air tightening of building for energy efficiency Sick Building Syndrome(SBS) |
| Discovery of new contaminant |
Contaminant causes by developing and usage of new building material (flooring, insulating, paint, decoration) |
