One of the biggest users of electricity in the home is the refrigerator. An empty or part empty fridge is less efficient because there is more air in it.

So when you open the door the cool air falls out onto the floor and is replaced by warm air from above. So the less air you have in the fridge the more air there is to re-cool after the door is closed.

So if you have a large fridge with not much in it fill it with sealed containers or closed boxes to reduce the amount of air that falls out and needs to be re-cooled. This will reduce your running costs by up to 40%. Saving you lots of money every year.

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