Thermal fogging machine
Thermal foggers are named so because they have a heated coil
within a metal tube, causing the liquid disinfectant to
This vapour (composed of several droplets) is then propelled out
in a patent cloud. Thermal foggers get their heat from either
electricity or propane.
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Ultra-low volume foggers, or cold foggers, do not use heat.
Instead, they generate fog with pressure, using one of two ways:
a. The disinfectant solution is pumped through a high-pressure
b. The solution is slowly sent through a whirling of high-speed
The pressure divides the liquid into tiny droplets, which then
sprays out as a fog that isn't very visible.
ULV fogging machines are usually powered by batteries, but some
Operators can modify the size of the droplets that the ULV
foggers generate, allowing for different uses.
The lack of heat (which also means the absence of fire risk)
makes ULV foggers a safe choice for indoor use.