New Refrigerant 2024 Flammable Liquids. The hvac industry is beginning to transition to new refrigerants required by the american innovation and manufacturing act of 2020, which establishes new requirements for the refrigerants used in air conditioners and heat pumps. The hvacr industry is undergoing major transitions due to new a2l regulatory changes.
Choosing a flammable refrigerant will dictate how systems are designed, installed, serviced and managed, said kujak, who is also a member of ashrae sspc 34, designation and safety. The most common low gwp alternatives are classified by ashrae as mildly flammable, or a2l.
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