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Space heater power consumption and electricity cost
- Last Updated: February 25, 2023
Space heaters are portable devices that are handy during the cold months to heat the rooms in our houses.
Still, it is good to know the electricity usage and cost to ensure there are no surprises once we receive the electricity bill.
TABLE OF CONTENTS – QUICK NAVIGATION
1. How much power and electricity does a space heater use
1.1. How to calculate power from voltage and current
2. Space heater electricity cost calculator
2.1. How much does electricity cost
2.2. Home appliances and devices electricity calculators
3. Space heater electricity usage monitor
4. Space heater electricity usage FAQ
4.1. Do space heaters save electricity
4.2. How much energy does a space heater use
5. Electricity measurement units: Watt (W), Kilowatt (kW) and Kilowatt hour (kWh)
5.1. Electricity measurement units calculators
6. Space heaters and energy conservation
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.
To determine the electricity usage, first, you need to know how many watts your space heater consumes.
This information can be found on the heater’s specifications label or by searching it on the manufacturer’s website.
Just consider that you can only estimate the electricity usage with the information in the specifications label.
For example, at HIGH (HI) power, this space heater consumes 2 Kilowatts per hour (kWh). Now, considering that we are paying our electricity provider 0,217 euros 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 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 euros (or dollars or pounds) per every kWh you consume
You will pay around 338 euros (or dollars, 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.
Alternatively, if you 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
Here are 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 will redirect you to the Amazon page, where you can look at the specifications of the power meter we use for our measurements.
Our house appliances and devices like the washing machine, the dishwasher, the TV, or the printer are plugged into 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 time.
If you want to learn how to use a plug-in power meter to measure your electricity usage and cost, watch this YouTube video.
Space heater electricity usage FAQ
Do space heaters save electricity?
Space heaters can be an efficient option to heat a very small apartment or a single room. However, they are not efficient for heating up a house or apartment.
Still, if you need to have a space heater to heat one or several rooms, here there are a couple of tips that you should have in consideration:
1.- Buy a space heater with a thermostat and timer
With the thermostat, you will save electricity by setting up the space heater to reach only a reasonable temperature. And with the timer, you may also save some electricity by limiting the time the heater will be on.
2.- Buy an efficient space heater that suits you need
A bigger space heater will heat a small room quickly, but it may not be the most efficient or cheaper option. Do some research and buy a 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 is familiar with terms like Watts, Kilowatts, or Kilowatt hours, so if you would learn more about them, look at this YouTube video we have prepared about this topic.
Electricity measurement units calculators
Or you can have a look at 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 into other units
> What are Power (P), Voltage (V), and Current (I)
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 for your energy bills.
And it also benefits the environment because conserving electricity prevents unnecessary waste of natural resources.
At the individual level, it may not look worth trying to save a few watts here or there.
Still, every little one counts, and if hundreds or thousands of us save a little every time, it will make an important contribution towards conserving our natural resources.
Energy conservation calculator
Reducing our space heaters’ electricity usage, even a very small amount, would greatly impact preserving our natural resources.
For example, if 9000 households save as little as 10 Watts per day (0,01 kWh) on space heaters’ electricity usage, that would add to 32850 Kilowatt hours (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 euros (or dollars, pounds, or any other currency) per kWh, we would collectively save nearly 6000 euros annually.
> 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.
Look at this page for more information about the number of resources needed to produce electricity.
In any case, small energy savings do count when looking into the bigger picture.
Proven ways to save electricity at home
Suppose you are looking for ideas to save electricity at home; look at this YouTube video. We show some useful tips for reducing electricity usage at home and decreasing the electricity bill.
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