Thermal foggers use heat to vaporise the fogging liquid to induce the fog whereas cold foggers or ULV (ultra low volume) foggers utilise cold spraying which uses air pressure to spray the liquid application in small particles.
Thermal foggers use heat to vaporise the fogging liquid to induce the fog whereas cold foggers or ULV (ultra low volume) foggers utilise cold spraying which uses air pressure to spray the liquid application in small particles.