Keep the cooling devices tidy. Make sure you can get to the food as quick as possible and close the doors.
99 more save money tips in the HandWallet Expense Manager & budget planner app for Android:
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When you want to save money on electricity for air conditioning, you close your windows to keep the cold air in. When you want to save money on electricity for your fridge or freezer, you should keep the door closed as much as possible, for the same reason. Your fridge uses tons of extra energy trying to keep cool every time you open the door. It’s best to keep your fridge and freezer organized and tidy so you can find what you need as quickly as possible and close the door again. And whatever you do, don’t leave the door open when you walk away!