R32 Residential Dual-Fuel Packaged Units
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Other Resources
United States Environmental Protection Agency: Protecting Our Climate by Reducing Use of HFCsDakin: R32 driving the next generation of refrigerantsRheem: What to know about the A2L RefrigerantsMRCOOL: The types of refrigerant used in Air ConditioningThis Old House: Freon Ban, what you need to knowDepartment of Energy: Best practices for replacing HFCs with Low-GWP Refrigerants