Safe use of A2L refrigerants

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04 May 2021
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A guide from the US Air Conditioning, Heating and Refrigeration Institute (AHRI) on the safe use of A2L refrigerants is now available free of charge on the ASERCOM website.

Guidance from the US Air-Conditioning, Heating and Refrigeration Institute (AHRI) on the safe use of A2L refrigerants is now available free of charge from the Association of European Refrigeration Component Manufacturers (ASERCOM) website.

Alternative A2L refrigerants are growing in popularity due to F-Gas restrictions. With lower flammability compared to A3 refrigerants, A2Ls still present new challenges in terms of fire protection.

The project was undertaken to develop training programmes for firefighting personnel when responding to fires in occupancies with both A2L and existing A1 refrigerants.

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The report looks at:

  • Comparison and contribution of A1 and A2L refrigerants in a fire in terms of heat and gas generation;
  • Potential for flash fire, deflagration or explosion hazards in residential and commercial applications;
  • Influence on fire dynamics due to refrigerant leakage during firefighting and repair work by the fire service.

ASERCOM president Wolfgang Zaremski said: "The insightful AHRI Report on fire safety when using A2L refrigerants provides a comprehensive assessment that is also important for all market participants in Europe"

The report is available to download here:

ASERCOM