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Why dry steam air conditioning cleaning and decontamination?

Can steam decontaminate air-conditioning systems without using chemicals?

Yes, the steam, thanks to a high temperature (up to 180°C under a pressure of 8 bars) and high pressure, kills harmful microorganisms. On the other hand, there will be no persistence over time, unlike a disinfection combining steam and disinfectant product.

The persistence of a product is the length of time that the product will continue to be active. It can last up to several days depending on the products used. This concept is very important in disinfection, it prevents the environment from being conducive to the proliferation of harmful microorganisms (bacteria, viruses, spores, fungi ...). However, if the steam cleaning operation is regular, the steam disinfects the surfaces.

Finally, steam alone needs to be passed over all surfaces very regularly, otherwise the lack of persistence encourages the development of harmful micro-organisms. Whereas with steam combined with a disinfectant product, distance is not important, which is why it can be used for airborne surface disinfection.

Microphotograph of a biofilm that can be found before air-conditioning decontamination.
Photograph showing a biofilm in microscopic view

Why dry steam air conditioning cleaning and decontamination?

The use of dry steam at 175°C combined with a pressure of 8 bars makes it possible to :

  • Dissolve fats
  • Picking up and removing dirt
  • Destroy microorganisms

To ensure that the most resistant strains are destroyed, we use a powerful disinfectant of 100% biological origin in combination with the steam. APABIO - disinfectant based on hydrogen peroxide

APABIO - Ecological disinfectant based on hydrogen peroxide and peracetic acid.

APABIO 100% ECOLOGICAL disinfectant, for air-conditioning decontamination: The total disinfection solution, gentle and non-toxic for people and the environment: 6 points:

- Broad activity: bactericide, fungicide, virucide and sporicide (according to French and European standards):

Bactericide: EN 1040, EN 13727, EN 14561, EN 13697, NFT72-281
Fungicide: EN 1275, EN 13624, EN 14562, EN 13697, NFT72-281
Sporicide: EN 14347, EN 13704, NF T 72-231, NFT72-281
Virucide: EN 14476.
Complies with the Standard " of disinfection by air : NF T 72-281 (2010) with our devices (Brumisateur JETBIO 2020)
- Stable for 3 years, physical process without additives.
- Biodegradable at MORE THAN 98%
Food contact
- Non-toxic and not harmful to humans and the environment
- Contains no formaldehyde, no chlorine, no phenol, no heavy metals

APABIO is a broad-spectrum organic disinfectant suitable for air-conditioning decontamination.

Very stable over time.

With long-lasting and persistent effect.

Our procedure CLIM 3000 will ensure a risk-free intervention:

before - after cleaning CLIM 3000 
  • Does not scratch surfaces
  • Do not twist the often fragile fins
  • Does not oxidize or corrode the evaporator materials.
  • Do not splash water around the air conditioner.
  • Compatible with the electronic components of the air conditioner
  • Bio Cleaning 100% environmentally friendly


Why is air conditioning decontamination important?

Air conditioning provides thermal comfort within buildings but it is also the source of new health, environmental and economic problems. The appearance of numerous pathologies and over-consumption of energy can be the consequence of a lack or poor maintenance of air-conditioning systems.

Infectious Risks :

« For the air conditioning, although comfortable, its maintenance must be extremely meticulous and serious, otherwise the frequency of work stoppages for an event of the Buildings Syndrome will increase. »

(Dr. S. Guez -

Poor maintenance of an air conditioner promotes the growth of microorganisms and their dispersal in the air.

4 types of pathologies have been identified that can have serious pulmonary consequences:

  • Legionnaire's disease: proliferates in poorly maintained ducts. It causes serious respiratory infections.
  • Moulds and fungi: these grow at high humidity levels as a result of inadequate maintenance of air conditioning systems.
  • Allergies: air conditioning can aggravate allergies because the treated air can disperse allergens.
  • Sick Building Syndrome: poor indoor air quality (high concentration of mould, humidity...) can be a source of lung problems.

Over-consumption of energy:


poorly maintained air conditioner fan

An air-conditioning unit consumes a lot of energy. On average, 5% of the electricity used for air-conditioning in a commercial building is consumed.

Air conditioner manufacturers estimate that 8 grams of dust can lead to an additional 25-30% energy consumption. Dust also promotes premature wear and tear of the air conditioner.

Regular maintenance of air conditioners allows companies to control their energy costs and ensure a longer service life for the equipment.

Air conditioning decontamination is a public health issue!!!!

The technique of deslagging, cleaning and disinfection is perfectly in line with the current policy of sustainable development. This project is supported by the national assembly with a standard and a bill to oblige companies to maintain their air conditioning systems.

  • Bill No. 1873 submitted to the National Assembly, aimed at regulating the maintenance of air-conditioning systems in order to reduce health risks.
  • AFNOR 15780 standard, defining the criteria for assessing cleanliness and cleaning procedures for ventilation and air conditioning systems.
  • Summary of this Standard :
  • This European Standard applies to both new and old ventilation and air-conditioning systems and specifies the criteria for assessing cleanliness. The procedures for cleaning these systems, and the validation of the cleaning efficiency also applies to products conforming to EN 1505, EN 1506, EN 13053, EN 13180 and EN 13403, used in air-conditioning and ventilation systems for human occupation, defined in the scope of CEN/TC 156. This European Standard does not apply to industrial process installations. The cleanliness of ventilation systems is considered important for human comfort and health, energy consumption, the life of the system and for the cleanliness of the activities or processes carried out in the ventilation zone. Considerations for changing components as an alternative to cleaning (e.g. in the case of flexible ducts and air filters) are also included. This European Standard specifies the general requirements and procedures necessary to assess and maintain the cleanliness of ductwork ventilation, including: classification of the quality of cleanliness; how to assess the need for cleaning (visual inspection, measurements); frequency of assessments (general guidance); guidance for system inspections in accordance with EN 15239, and EN 15240 where relevant; selection of the cleaning method - as part of the documentation for type approval in accordance with EN 12599; how to assess the cleaning result. This European Standard is a parallel standard to EN 12097, which specifies the requirements for size, shape and location of access panels for cleaning and technical interventions in duct systems.

Download the Bill in PDF format: