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Thermal fogging

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Thermal fogging is a space treatment against pest insects. The fog is produced by a device (thermal fogger) that uses heat to break up the chemical into very small droplets (usually in 5-30 micron diameter range) which will disperse in the air.

A thermal fogger is appropriately named since it is a device that uses heat to produce a fog without degrading the active ingredient. A thermal fogger produces a range of droplet sizes including a large number of very small droplets. This makes a thermal fogger the preferred type of equipment to reach air spaces in areas highly obstructed by vegetation, or other physical obstructions in buildings. The large number of very small droplets produced in a thermally generated fog also make the fog highly visible. This can help the operator to monitor the fog and ensure thoroughness of application.

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