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Comparison of IAQ Products
There are various products in the market claiming that they can improve indoor air quality (IAQ). The following table compared 4 products which are able to decompose VOCs:
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| CT Catalyst | Photo-catalyst | Ozone Anti-odor machine | Binchotan | |
| Channel Required | Air | UV light and air moisture | Vapor in air | Air |
| Common Point | Able to decompose organic compounds and some inorganic compounds which are harmful to human and the surrounding environment | |||
| Advantages | - Effective - Japan brand with patent which shows quality assurance - Nano-material, can be evenly distributed in the furniture, which can continuously reduce VOC emissions. The effect will not be damaged under normal cleaning - No secondary pollution |
- Effective | - Effective - No secondary pollution under suitable concentration of O3 |
- Low cost - Reusable under regular cleaning - No secondary pollution |
| Disadvantages |
- Relatively high cost - Not suitable for low VOCs emission materials such as tiles, glass and metal |
- Relatively high cost - Not functional in dry or UV light insufficient area (e.g. cabinets and bed bases) - Major ingredient (TiO2) will generate residual O3 - Market oversells, but of varied quality - Non-sustainable |
- When the O3 concentration is high, there will be a pungent odor, which can easily cause eye discomfort, cough; severe cases will cause nose/throat inflammation, and vomiting. - Non-sustainable |
- Less efficient - Limited by space, the effective range is about 20-60 sq.ft. |
| Deodorization | ||||
| Elimination of VOCs | ||||
| Control the emission of VOCs | ||||
| Anti-bacteria | ||||
| Anit-mold | ||||
| Safeness | ||||
