A first step to save energy of your fridge is to find a cool and ventilated location for it, away from potential sources of heat. Keep the back clean and well ventilated, and set temperature at 5°C for the fridge and -18°C for the freezer. It is advisable to plan buying energy efficient and durable appliances, as in the long term it will be unexpensive and cost-effective.
MAKE YOUR FRIDGE AS EFFICIENT AS POSSIBLE