Class A3 refrigerants are defined by two main criteria: low toxicity and high flammability. According to the ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) classification, A3 fluids pose no risk to human health, but require strict safety measures due to their highly flammable nature.
The use of A3 refrigerants requires strict precautions be taken because of their flammability. Facilities and equipment must be designed and maintained to minimise the risk of fire. However, with the right training and safety measures, A3 fluids can be used safely and effectively.
With changing environmental regulations and growing demand for sustainable solutions, A3 refrigerants are an attractive option for a reduced carbon footprint while maintaining high performance. Their use will continue to rise with newer technologies and safety standards, enabling wider integration into a variety of refrigeration and air-conditioning systems.