Although cold fogging can quickly reduce the number of biting mosquitoes , it does not have lasting residual effects . it is , therefore , essential to carry out fogging at the time when the mosquitoes are most active to hit them direct 冷喷雾法能迅速减少叮咬人的蚊子数量，但功效不大持久，因此必须在蚊子最活跃的时候施放，才能达到效果。
For proper use of the cold fogger , it is essential to follow the instructions in the operation manual that comes along with the machine . regarding precautionary measures , it is similar to those for thermal fogging except that it does not cause visibility hazard for motorists 要适当使用冷喷雾器，必须遵照机器随附操作手册的指示。至于施放冷喷雾时的预防措施，大致与热喷雾法相似，然而冷喷雾法不会妨碍驾车人士的视线，减少意外发生。
