
| Comparison Program | Pressure water mist | Medium and low pressure water mist (water spray) | Water spray | Dry powder | Gas |
| Cooling effect | The strongest | Strong | General | General | No |
| Stifling effect | In a fire, only | Limited | No | General | Filled the entire space |
| Impact on the human body | Security | Security | Security | Irritation of the respiratory | Caused suffocation |
| Environmental pollution | No | No | Water consumption | Chemical pollution | Cause the greenhouse effect |
| Warning time | Do not need to | Do not need to | Do not need to | Need | Essential |
| Electrical parts | Small | Large | Large | Large | Small |
| Regional isolation requirements | Do not need to | Do not need to | Do not need to | Do not need to | Essential |
| Secondary filling fee | Do not need to | Do not need to | Do not need to | High | High |
| Maintenance costs | Very low | Low | Low | High | High |
| Explosion Hazards | No | No | No | Have | Have |
| Water loss | Very small | Large | Large | No | No |
| Life | 60 years | 10 to 15 years | 10 to 15 years | 2 to 3 years | 2 to 3 years |
| Space | Small | Large | Large | Small | Large |
| Causticity | No | No | No | Large | Large |