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Abstract

For the last few decades, the vast research on new environmentally friendly alternative refrigerant is going on. However, the limited work is for energy saves and safety aspects using refrigerant HFO1234yf and HC600a. Refrigerant R1234yf is an ecofriendly refrigerant which has lower GWP value of 4 but it is costly and COP is found to be slightly lower than R134a. Refrigerant, R600a (GWP less than 20) has lower power consumption than R134a and average power consumption for refrigerants R1234yf is higher than R134a. In the present work, various relevant mixtures of refrigerants have been experimentally tested to establish relationship between energy consumption, COP and cooling capacity. Thermo economical and flammability issues of refrigerants have been addressed.