Thermal fogging is a device that produces a fog by which an insecticide or disinfectant mixed with a type of oil together the solution creates a large fog cloud that is suspended within the air for a period of time in order to disinfect or to eliminate targeted pest, bacteria, viruses, diseases, fungi, mould, odour in inaccessible parts of a building and/or large areas to be treated.

Thermal foggers produce a fog with particles that is about 5 microns in size.

ULV fogging much like a thermal fogging doesn’t use heat or a propellant and is a device you can be used to fight a range pests, smells, viruses, both indoors and outdoors. You can also use them to disinfect indoor spaces, as well as get rid of mold and unpleasant odors. … Cold foggers vaporize the fogging liquid and turn it into a mist.

ULV foggers produce a particles of 20 microns in size.

Human hair is 70 microns in size

Aerosol is 50 microns in size

ULV fogging is 20 microns in size

Thermal fogging is 5 microns in size.