
Refrigerant manufacturer Honeywell, which co-developed R1234yf with Chemours, has filed an application with the United States Environmental Protection Agency (EPA) seeking approval for the use of YF as a retrofit refrigerant in R134a systems. This step, previously considered unlikely due to YF’s A2L mild flammability rating, was motivated by growing concern about the availability and … Continue reading R1234yf retrofits coming after all?