Energy efficient appliance payback period

An appliance that uses less power it is going to consume less electricity, there is nothing to argue here…

But, is it worth to pay more money for an appliance that uses less power? 

For example, as shown on the image below, if you have to chose between a more expensive but a more efficient appliance or a more economic but less efficient appliance, which one would you choose?

Fridge payback period

Buying an efficient fridge payback period

The payback period refers to the amount of time that it takes to recover an investment.

The more efficient fridge (A+++) it is 260 Euro more expensive than the less efficient one (A++) but it uses less electricity. Only 174 kWh per year, which is significantly less than the 252 kWh per year that the less efficient fridge will be using.

If we want to know if buying the more expensive fridge it is a good decision, we need to find out how long it will take to recover those 260 Euro through electricity savings.

Energy Efficient Appliance

Well, assuming a prize of 0,17 Euro per kWh, it will take us 20 years to recover those additional 260 Euro that it will cost to buy the more expensive fridge

The problem here is that it is very unlikely that a fridge will last for so long. Therefore, at 0,17 Euro per kWh, buying the more economic but less efficient fridge it is the best choice.

Payback period calculator

Of course, not everyone pays the same prize per kWh so in order to know if buying a more efficient but a more expensive home appliance makes sense, we need to run some calculations.

With the calculator below, anyone can easily calculate the total cost (appliance cost + electricity cost) over time and decide which appliance is the most economic to buy.

 

As a rule of thumb, the higher it is the cost per kWh, the more makes sense to buy energy efficient appliances. If you don’t know what a kWh is or how much you are paying per kWh, have a look to this post where we explain those concepts.

Save electricity and save money

If what you are looking after is to save on electricity, have a look to our electricity page and let us show you other ways to reduce your electricity consumption and save money on your bills. 

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If you found the payback period calculator useful, we have made available many other water and electricity calculators that may be of your interest.

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