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Buyer Comparison

Thermal vs Cold Fogging: Which Fits Your Use Case?

Both thermal and cold (ULV) fogging machines have a place — but the wrong choice wastes insecticide and frustrates field teams. Here's the side-by-side comparison we walk every buyer through.

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  • 10+ yrs
    Manufacturing both
  • GeM
    Q2 OEM
  • INR
    Direct factory pricing
  • Pan India
    Supply + support

Start with the question

Indoor disinfection or outdoor mosquito control?

  • Outdoor adult mosquito control

    Thermal fogging wins. Dense visible cloud penetrates vegetation, drains, and structures where Aedes and Culex rest.

  • Indoor disinfection / sensitive areas

    Cold (ULV) fogging wins. No heat, no visible cloud, lower chemical drift — ideal for hospitals, food-handling areas, server rooms.

  • Agriculture & horticulture pest control

    Either can work — thermal for open fields and orchards, cold for greenhouses and chemical-sensitive crops.

Side-by-side

Thermal fogger vs cold (ULV) fogger

 Thermal FoggingCold (ULV) Fogging
Droplet size~10–25 μm (warm fog)~5–50 μm (cold mist)
Visible cloudYes, denseMinimal / invisible
HeatHot (uses pulse-jet)Cold (mechanical pressure)
Indoor useNot recommended (heat + visibility)Yes — preferred
Outdoor mosquito controlPreferred (dense cloud penetrates)Possible but less effective
Insecticide carrierOil-basedWater-based or oil-based
Per-hour coverageHigh (esp. vehicle-mounted)Moderate
Operator skillHigher (heat safety)Lower
Typical use caseMunicipal vector control, parks, drainsHospital / school / warehouse disinfection
100x Circle modelDB400 (vehicle-mounted) / SSMA20TFS50 (supports both modes)

Most municipal vector-control programmes deploy both — thermal for outdoor ward drives, cold for institutional disinfection. The TFS50 supports both modes in a single unit.

Pick from these

100x Circle models referenced above

Still unsure which one fits your operation?

Tell our team the use case, area, and frequency — we'll recommend the right form factor and quote indicative pricing.

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Frequently asked questions

Answers for buyers, dealers, and procurement teams.

If I can only buy one machine, which type covers more use cases?

The thermal & cold combo unit (100XTFS50) — it supports both thermal and cold (ULV) modes in a single machine. For most buyers who need flexibility across outdoor mosquito control and indoor disinfection, this is the most versatile single-machine choice.

Is cold (ULV) fogging safer for indoor use than thermal?

Yes. Cold fogging produces no heat and a minimal visible cloud, so it's appropriate for occupied or sensitive indoor environments — hospitals, schools, server rooms, food-handling areas. Thermal fogging is generally restricted to outdoor or empty-area use because of the heat and visibility.

Do thermal and cold foggers use the same insecticide?

Both can use CIB-approved adulticides, but thermal foggers typically need an oil-based carrier (for clean vaporisation), while cold foggers work with either oil- or water-based carriers. We provide dilution guidance with every machine.

What about agricultural and greenhouse pest control?

Thermal fogging suits open fields and orchards (better penetration through canopy). Cold fogging suits greenhouses and chemical-sensitive crops where heat or visible drift is undesirable. Many large farms run both for different blocks.

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