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Space heater power consumption and electricity cost

Space heaters are portable devices that are handy to have during the cold months to heat up the rooms in our houses.

Still, it is good to know the electricity usage and the electricity cost to make sure that there are not surprises once we receive the electricity bill.

How much power and electricity does a space heater use

Depending on the model, a space heater commonly uses from around 1500 Watts up to 2500 Watts.

In order to find out the electricity usage, first you need to know how many watts does your space heater consume.

This information can be can be found on the heater’s specifications label or by searching from it on the manufacturer’s website.

space heater power cosnumption

Just have in consideration that with the information contained in the specifications label you can only estimate the electricity usage. 

For example, at HIGH (HI) power, this space heater consumes 2 Kilowatts per hour (kWh). Now, having in consideration that we are paying to our electricity provider 0,217 euro per every kWh we consume, it would cost us 0,43 per hour to use this space heater at HIGH power.

2 kWh x 0,217 euro per kWh = 0,434 euro per hour

How to calculate power from voltage and current

If you only know the voltage and current of your space heater, you can calculate the power consumption, in Watts, using the calculator below.

 

For more information about Power, Voltage and Current, scroll down to the ‘Electricity Measurement Units’ section.

Space heater electricity cost calculator

The calculator below can be used to estimate the power consumption and the electricity cost of a space heater over a period of time.

You just need to adjust the values in the PARAMETERS section to your requirements and the calculator will automatically display the RESULTS section.

 

For example:

> If your space heater has a daily power consumption of 1300 Watts (W)

> If it is used 10 hours a day and  120 days per year

> If you are paying 0,217 euro (or dollars or pounds) per every kWh you consume 

You will be paying around 338 euro (or dollars, or pounds, or…) per year in electricity costs.

How much does electricity cost

If you don’t know how much you are paying per kWh, you should be able to find the cost per kWh on your electricity contract or in one of the electricity bills.

how much does electricity cost

Alternatively, if don’t have access to your contract or your electricity bills, this website does show the electricity cost per country.

Home appliances and devices electricity calculators

A few other examples from our ‘Electricity usage and electricity cost calculators‘ page that may be of your interest:

Space heater electricity usage monitor

If you want to know the exact electricity usage of a space heater, your best option is to use a plug in power meter to measure the exact power consumption and electricity cost. 

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.

plug in power meter

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.

Plug in power meter

Space heater electricity usage FAQ

Do space heaters save electricity

Space heaters can be an efficient option if you need to heat up a very small apartment or a single room. However, they are not an efficient option to heat up a house or apartment.

Still, if you need to have a space heater to heat up one or several rooms, here there are a couple of tips that you should have in consideration:

1.- Buy a space heater with thermostat and timer

With the thermostat you will be saving electricity by setting up the space heater to reach only a reasonable temperature. And with the timer you may save also some electricity by limiting the time that the heater will be on.

2.- Buy an efficient space heater than suits you need

A bigger space heater will heat up a small room in no time but it may not be the most efficient nor cheaper option. Make some research and buy an space heater than suits your needs.

How much energy does a space heater use

Power and energy refer to the same.

Depending on the model, a space heater commonly uses from around 1500 Watts up to 2500 Watts.

Electricity measurement units

Not everybody it is familiar with terms like Watts, Kilowatts or Kilowatt hours so if you would learn more about them, have a look to this YouTube video that we have prepared about this topic.

What is a Kilowatt hour (kWh)

Electricity measurement units calculators

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)

Watt (W)
Watt (W) wattage calculator
Kilowatt (kW)
Kilowatt (kW) calculator
Kilowatt hour (kWh)
Kilowatt hour (kWh) calculator
Power, voltage, current
Power, voltage, current calculator

Space heaters and energy conservation

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.

Energy conservation calculator

If we could reduce our space heaters electricity usage, even a very small amount, it would make a big impact on preserving our natural resources.

 

For example, if 9000 households would manage to save as little as 10 Watts per day (0,01 kWh) on space heaters electricity usage, that would add to 32850 Kilowatt hour (kWh) saved per year. 

9000 households x 0,01 kWh per day x 365 days per year 

32,850 kWh saved 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) per kWh, we would collectively be saving nearly 6000 euro per year.

> To produce 32,850 kWh of electricity it is necessary to use around 17 metric tons of coal or 56 barrels of residual fuel oil.

Have a look to this page for more information about the amount of resources needed to produce electricity.
 

In any case it is clear that small energy savings do really count when looking into the bigger picture.

Proven ways to save electricity at home

If you are looking for ideas to save electricity at home, have a look to this YouTube video were we show some useful tips to reduce the electricity usage at home and decrease the electricity bill. 

How to save electricity at home
How to save
How to save
How to earn
How to earn

Calculators

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