This video explains how ASHRAE determines refrigerant flammability using the ASTM E681 flame test. Learn how A1, A2L, A2, and A3 classifications are defined, how refrigerants like R-410A and propane… | HVAC On Air
This video explains how ASHRAE determines refrigerant flammabilit…
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What does A2L really mean? ASHRAE’s classification makes it simple: A/B = toxicity level 1–3 = flammability level Older A1 refrigerants (like R22) are non-toxic and non-flammable, while non-toxic and mildly flammable A2Ls are the next step in efficient, sustainable cooling. #HVACTech #Refrigerants #ASHRAE #CoolingInnovation #MROSupplier | Chadwell Supply
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