For example, Khan and Afroz (2015) integrated a eutectic aqueous NaCl solution (ω=0.1 g/g) with a melting temperature of −5 °C in the evaporator of a household refrigerator, but for initiating the solidification evaporator coil temperatures below −12 °C were necessary. By comparison, the present paraffin derivative shows no significant sub-cooling. In this case, the temperature of the evaporator, where the PCM undergoes solidification, can be higher, which is crucial for performance increase.