Track temperatures
A thermometer can be a great key to saving money in a refrigerator or freezer. Too-cold temperatures waste energy, while too-warm temps lead to premature food spoilage. Make sure you don’t have the temperature turned down too low. Refrigerators shouldn’t be set any lower than 5ºC, while freezers should be -18ºC. Be sure to pay attention when the seasons change; a temperature setting that works well for the winter months may need to be adjusted during hotter weather.
Keep an eye on frost build up.
If your freezer requires manual defrosting, then make sure you defrost it regularly. The more ice your freezer has in it, the more energy it uses. If the ice around the inside is more than 1cm thick, you need to defrost it.
Use frozen food to your advantage
If you are thawing food from the freezer, put it inside the fridge. This helps keep the fridge cool without using energy to do it.
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