It is good to have a freezer to have some extra space where to store frozen foods.
Of course, as any other house appliance, the electricity usage of that freezer needs to be taken in consideration. We need to know how much will that freezer increase our electricity bill.
On this page you will learn:
> How to calculate the electricity usage and the electricity cost of a freezer
> How to measure the electricity usage of a freezer
> How to reduce the electricity usage of a freezer
If you know the manufacturer and the model of a freezer, it is quite easy to search for the specifications sheet on the internet.
On the freezer specifications sheet you can search the freezer power consumption and with some easy calculations find out it’s electricity usage and electricity cost.
The specifications sheet we show on the picture above show that this freezer consumes 0,46 Kilowatt hours (kWh) per day.
Assuming that the freezer is powered on the whole year, we can calculate that in one year it will consume 168 Kilowatt hours (kWh).
0,46 kWh x 365 days = 167,9 kWh per year
We are paying to our electricity provider 0,217 euro per every Kilowatt hour we consume, so that means that if were to purchase this freezer, our electricity bill would increase on 36,5 euro per year.
168 kWh per year x 0,217 euro per kWh = 36,5 euro per year
Once you know your refrigerator’s model, it is quite simple to search on the internet how many kWh of electricity your fridge is using. Then, you can use the calculator below to find out your fridge’s electricity cost.
If you have a freezer or you are planning to purchase one, you may want to do some homework in advance and find out it’s electricity consumption (kWh).
That it is information that should be available on the appliance ‘datasheet’ or ‘ specifications sheet’ that most probably it is available on line. As an example, have a look to this specifications sheet.
Once you know the electricity usage, you can use the following calculator to estimate the electricity cost.
For example, if your freezer:
> It has a power rating of 0,56 Kilowatts per hour (kWh)
> It is switched on 320 days per year
> You are paying 0,2 euro (or dollars or pounds) per every kWh you consume
You will be paying around 36 euro (or dollars, or pounds, or…) per year in electricity costs.
A few other examples from our ‘Electricity usage calculators‘ page that may be of your interest:
Still, if you want to know the exact electricity usage of your fridge, your best option is to use a plug in power meter to measure the electricity consumption.
Clicking on the image below it will redirect you to the Amazon page where you can have a look to the specifications of the power meter we use for our measurements.
All of our house appliances and devices like the washing machine, the dishwasher, the TV or the printer are plugged to a wall socket.
So, with a power consumption meter we can determine how much electricity our appliances or devices are using and, more importantly, we can measure the electricity usage over a period of time.
If you want to find out how you can use a plug in power meter to measure your electricity usage and electricity cost, have a look to this YouTube video.
Not everybody it is familiar with terms like Watts, Kilowatts or Kilowatt hours so if you would like to learn more about them, have a look to this video that we have prepared for you.
Or you can have a look to this electricity measurement units calculators to get a better understanding of:
> What is a Watt (W) and how to transform Watts into Kilowatts
> What is a Kilowatt (kW) and how to transform Kilowatts into Kilowatts hour
> What is a Kilowatt hour (kWh) and how to transform Kilowatts hours to other units
> What are Power (P), Voltage (V) and Current (I)
If you think that your freezer it is using too much electricity, here there are five simple ways to reduce the power consumption of a freezer:
1.- Keep the freezer full, but not too full
The freezer temperature can stay cooler for longer periods if the freezer it is full. Still, be careful, because a too crowded freezer will cut down the air flow and increase the risk of warm areas within your fridge.
2.- Do not put hot food in the freezer
Hot food will force your freezer to use more electricity and, also, the temporary temperature increase can be detrimental for the other food in your freezer.
3.- Check the door seals
A damaged gasket will let the cool air escape forcing your freezer to use more electricity to keep the internal temperature.
4.- Make sure that around your freezer there is enough space for a correct air flow
Around your freezer, specially behind where the condenser coils are, there should be enough space for air circulation. If your freezer it is placed too close to the wall, the condenser will not be able to operate efficiently and that will increase the electricity usage. Keep a distance of 30 cm between the freezer and the wall
5.- Keep your freezer in a cool area
If your freezer is placed near the cook, the oven or it is exposed to direct sunlight, the heat will force your freezer to use more electricity to keep the internal temperature.
Energy conservation can be defined as the decision and the act of using less energy
Energy conservation both benefit you and the environment
The act of saving and conserving electricity does benefit you because you will be paying less on your energy bills.
And it also does benefit the environment because conserving electricity prevents any unnecessary waste of natural resources.
Now, at individual level it may not look worth to try to save a few watts here or there.
Still, every little counts and if hundreds or thousands of us do save a little every time, it will make an important contribution towards conserving our natural resources.
For example, if 9000 households would manage to save as little as 10 Watts per hour (0,01 kWh) worth of electricity per day, that would add to 32850 Kilowatt hour (kWh) per year.
That is a considerable amount of electricity, but let’s add additional perspectives for clarity:
> Assuming an average cost of 0,18 euro (or dollars, or pounds, or any other currency) we would collectively be saving nearly 6000 euro per year.
> To produce 32850 kWh of electricity it is necessary to use around 17 metric tons of coal or 56 barrels of residual fuel oil.
In any case it is clear that small energy savings do really count when looking into the bigger picture.
If you are looking for saving electricity at home, have a look to this video where we provide some useful tips to reduce the electricity consumption and decrease the electricity bill.
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