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Why is R22 refrigerant is illegal? - Edmonton Air Conditioner & Heat Pump Repair, Maintenance & Installation Services
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Performance Comparison of R22 refrigerant with Alternative Hydrocarbon Refrigerants | Semantic Scholar
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Performance Comparison of R22 refrigerant with Alternative Hydrocarbon Refrigerants | Semantic Scholar
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PDF) Experimental performance study of R290 as an alternative to R22 refrigerant in a window air conditioner | ashok keche - Academia.edu
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