How Much Does It Cost to Run an Electric Bathroom Heater? | UK Guide

how much does it cost to run an electric bathroom heater

Electric bathroom heaters are a great way to keep your bathroom warm and cozy, especially during the colder months. However, many homeowners worry about the cost of running an electric bathroom heater, and whether it’s worth the investment. If you’re pondering the same question, you’ve come to the right place! In this guide, we will break down the cost of running an electric bathroom heater and help you make an informed decision.

Key Takeaways

  • Electricity costs for bathroom heaters depend on several factors, including energy consumption, electricity rates, and insulation.
  • Understanding how much energy your bathroom heater uses can help you calculate the electricity cost more accurately.
  • You can save money on electric bathroom heater costs by choosing an energy-efficient model, setting a timer, and improving your bathroom’s insulation.

Understanding Electric Heater Energy Consumption

If you’re wondering about the cost of running an electric bathroom heater, it’s important to understand how energy consumption works. Electric heaters, like any other electrical appliance, consume energy when in use. The amount of energy consumed is measured in watts and the rate at which energy is consumed is measured in kilowatt hours (kWh).

Electric heater energy consumption depends on several factors, including the size and type of the heater, the temperature setting, and the frequency and duration of use. The higher the wattage of the heater, the more energy it will consume. For example, a 2kW heater will consume twice as much energy as a 1kW heater in the same amount of time.

It’s also important to note that electric heaters have a maximum power output, which is the amount of energy they can consume at any given time. Exceeding this limit can cause the heater to malfunction or become damaged, so it’s essential to ensure that any electrical appliance in your home is used within its recommended parameters.

Understanding electric heater energy consumption is key to being able to calculate the cost of running an electric bathroom heater.

electric heater energy consumption

Calculating Electric Heater Electricity Cost

Now that you understand electric heater energy consumption, it’s time to calculate your electric heater’s electricity cost. To calculate your bathroom heater electricity cost, you need to know the wattage of your heater, as this determines how much power it uses.

You can find the wattage of your electric bathroom heater on the manufacturer’s label, but it’s usually between 500-1500 watts. Once you know the wattage, you need to calculate the number of hours you use the heater each day and the number of days you use it each month.

Electricity Cost Formula
Wattage (W) x Hours Used Per Day x Days Used Per Month ÷ 1000 x Electricity Rate Per kWh = Monthly Cost

For example, if your electric bathroom heater is 1000 watts, and you use it for 2 hours per day for 30 days, and the electricity rate is 14p per kWh, your monthly cost would be:

Electricity Cost Example Calculation
1000W x 2 hours x 30 days ÷ 1000 x £0.14 = £8.40 per month

Keep in mind that this is just an estimate and your actual monthly cost may vary depending on your electric heater’s wattage, how long you use it each day, and the electricity rate in your area.

Knowing your electric bathroom heater’s electricity cost can help you budget for your energy bills and make informed decisions about energy-saving measures, as you’ll see in the following sections.

Factors Affecting Bathroom Heater Energy Usage

Electric bathroom heaters are convenient and efficient, but they can also be expensive to run. Understanding the factors that affect their energy usage can help you save money on your electricity bills.

One important factor is the size of the heater. A larger heater will require more energy to heat up a larger space, while a smaller heater will be more efficient for a smaller area.

The temperature you set your heater to is also a major factor. Setting the temperature higher will use more energy and result in higher electricity bills. To save money, try setting your heater to a lower temperature and using a timer to only have it on when you need it.

The insulation in your bathroom can also impact the energy usage of your heater. Poor insulation can cause heat loss, resulting in your heater having to work harder and use more energy to maintain your desired temperature.

Another factor to consider is the type of heater you have. Some electric heaters, such as infrared heaters, are designed to be more efficient and use less energy than traditional heaters.

Finally, your own habits and usage patterns can greatly impact the energy usage of your bathroom heater. For example, taking shorter showers and using a bathroom fan can reduce the humidity in the room, making it easier for your heater to maintain a comfortable temperature.

By understanding and addressing these factors, you can make your electric bathroom heater more energy-efficient and reduce your monthly electricity bills.

Understanding Electric Heater Operational Expenses

Electric heaters come with various operational expenses that can impact your overall bathroom heating costs.

Energy usage: The amount of energy an electric bathroom heater uses can impact your monthly electricity bill. Electric heaters typically have wattage ranging from 500-2500 watts. The higher the wattage, the higher the energy usage and subsequent cost.

Time of usage: The length of time you use your electric bathroom heater can also impact your energy usage and cost. Using your heater for longer periods will result in higher costs, but ensuring that you have a timer or programmable thermostat can help manage usage and keep costs down.

Infrared Heaters Ceramic Heaters
Infrared heaters use less energy to heat smaller areas effectively and efficiently. They are typically used as spot heaters and are ideal for small bathrooms. Ceramic heaters take longer to heat up but are more effective at heating larger areas. They are ideal for larger bathrooms or rooms that need to be heated quickly.

Cost of maintenance: Electric heaters require little to no maintenance, but over time, you may need to replace certain parts or the entire unit. The cost of maintenance should be factored into your overall bathroom heating costs.

Initial purchase price: The price of an electric bathroom heater can vary depending on the type, features, and quality. Generally speaking, infrared heaters are less expensive than ceramic heaters.

Understanding these operational expenses can help you make informed decisions when it comes to choosing an electric bathroom heater and managing your heating costs.

electric bathroom heater

Comparing Electric Bathroom Heater Costs

When it comes to choosing an electric bathroom heater, there are a variety of options available in the market, ranging from basic models to high-end ones with advanced features. As such, the cost of electric bathroom heaters can vary significantly.

Basic electric bathroom heaters typically cost between £20 and £50, while more advanced models with additional features such as timers, thermostat controls, and energy-saving modes can cost upwards of £100.

While more expensive models may seem like a larger upfront investment, they can actually save you money in the long run. For example, a heater with a built-in timer can be programmed to turn on at specific times, reducing energy waste and ultimately decreasing your electricity bill.

It’s important to remember that while the cost of the heater is a significant factor in your decision, it’s not the only one. You should also take into account the heater’s energy efficiency, wattage, and potential long-term savings when making your decision.

electric bathroom heater cost comparison

Comparing Energy Efficiency

Electric bathroom heaters have different energy efficiency levels, which can impact your overall electricity costs. To compare the energy efficiency of different heaters, look for their Energy Efficiency Rating (EER) or Coefficient of Performance (COP) rating. The higher the rating, the more energy efficient the heater is.

Comparing Wattage

The wattage of an electric bathroom heater indicates how much electricity it will consume when it’s in use. Heaters with higher wattage will consume more electricity, resulting in higher energy costs. As such, it’s important to compare the wattage of different models before making a purchase decision.

Comparing Long-term Savings

If you’re on a budget, it can be tempting to opt for a cheaper electric bathroom heater. However, it’s important to consider the potential long-term savings of a more expensive, energy-efficient model. A more expensive model may have a higher upfront cost, but over time, it could save you money on your energy bills due to its increased efficiency.

Ultimately, it’s important to weigh the upfront cost of the electric bathroom heater against its long-term savings potential, energy efficiency, and wattage before making a purchase decision.

Saving Money on Electric Bathroom Heater Costs

Electric bathroom heaters can be costly to run, but there are ways to save money on your energy bills.

Use Your Bathroom Heater Sparingly

The simplest way to save money on your electric bathroom heater costs is to use it sparingly. Only turn on the heater when you need it and turn it off as soon as you’re finished.

Lower the Temperature

Lowering the temperature on your electric bathroom heater can also help you save money. If you can tolerate a slightly cooler bathroom, lowering the temperature can make a big difference to your energy bills.

Install a Programmable Thermostat

A programmable thermostat can help you save money on your electric bathroom heater costs by allowing you to set the temperature to automatically lower when you’re not using the bathroom. This means you don’t have to remember to turn the heater off when you leave the room.

Insulate Your Bathroom

Poor insulation can cause your electric bathroom heater to work harder, leading to higher energy bills. Insulating your bathroom can help keep the heat in and reduce the amount of energy your heater needs to use.

By following these tips, you can save money on your electric bathroom heater costs and keep your energy bills down.

Understanding Electricity Rates in the UK

Electricity rates vary across the UK and depend on the location, type of energy supplier, and the selected tariff. Major energy suppliers in the UK offer several different tariffs, which can make it challenging to choose the most cost-effective one for your needs.

Your electricity bill is made up of two main parts: the standing charge and the unit rate. The standing charge is a fixed daily fee that covers the cost of supplying electricity to your home, while the unit rate is the cost per kilowatt-hour (kWh) of electricity that you use.

The unit rate you pay can vary based on factors such as the time of day or even the season. Some suppliers offer different tariffs that provide cheaper rates during off-peak periods or for using electricity from renewable sources.

It’s important to keep in mind that electricity rates are subject to change, so it’s a good idea to regularly review and compare different tariffs to ensure you aren’t overpaying.

Additionally, some energy suppliers offer smart meters that can help you keep track of your energy usage in real-time and provide insights into when you’re using the most energy. This can be especially useful when trying to reduce your electricity costs.

Overall, understanding the different electricity rates and tariffs available in the UK can help you make informed decisions about your energy usage and help you save money on your electric bathroom heater costs.

Impact of Insulation on Bathroom Heater Costs

If you’re looking for a way to save money on your electric bathroom heater costs, one of the best things you can do is to ensure proper insulation in your home. That’s because insulation helps to keep warm air inside your home, making it easier for your electric bathroom heater to maintain a comfortable temperature.

In fact, according to the National Insulation Association, insulating your home can save you up to £215 per year on your heating bills. This is especially true if you have an older home that is poorly insulated or if you have large windows or drafty doors.

One easy way to assess the insulation in your home is to check your loft or attic. If the insulation is less than 270mm thick, then you may need to add more insulation to ensure proper heat retention. Additionally, you can check for drafty spots around windows and doors. If you feel a draft, consider adding weather stripping or caulking around these areas.

By ensuring proper insulation in your home, you can help to reduce the amount of energy that your electric bathroom heater needs to consume, ultimately lowering your overall energy costs. So, take some time to assess your insulation needs and make any necessary improvements to help save money on your electric bathroom heater costs.

Insulation in the loft

Other Considerations for Electric Bathroom Heater Costs

Aside from the factors mentioned earlier, there are other things that can affect your electric bathroom heater costs. Here are some additional things to consider:

  • Frequency of use: Obviously, the more you use your electric bathroom heater, the higher your costs will be. If you only use your heater occasionally, you can save money on your energy bills.
  • Age of the bathroom heater: Older heaters are typically less energy-efficient than newer models. If you have an older heater, you may want to consider upgrading to a more efficient one.
  • Size of the room: The larger the room, the more energy is required to heat it. If you have a particularly large bathroom, you may want to factor this into your heating costs.
  • Type of electric bathroom heater: There are many different types of electric bathroom heaters available, including wall-mounted heaters, portable heaters, and infrared heaters. Each type has its own pros and cons, and you’ll want to choose the one that’s right for your needs.
  • Other electricity usage: Finally, you’ll want to consider the other appliances and electronics you have plugged in throughout your home. If you’re using a lot of electricity elsewhere, your bathroom heater costs will be higher.

By taking all of these factors into account, you can get a better idea of your overall electric bathroom heater costs. Remember, the more you know about how much it costs to run your heater, the easier it will be to save money on your energy bills.

electric bathroom heater


Congratulations, you have successfully learned how much it costs to run an electric bathroom heater in the UK! By understanding electric heater energy consumption and calculating electricity costs, you are now equipped with the knowledge to make informed decisions when it comes to managing your bathroom heater expenses.

Remember, factors such as usage habits, insulation, and electricity rates can greatly impact your bathroom heater’s energy usage and overall cost. By taking advantage of money-saving tips such as adjusting your thermostat and improving insulation, you can lower your electric bathroom heater costs while still enjoying a warm and comfortable bathroom environment.

Thank you for reading this guide and we hope it has been informative and helpful in your bathroom heater cost management journey.


Q: How much does it cost to run an electric bathroom heater?

A: The cost of running an electric bathroom heater depends on various factors such as the wattage of the heater, the duration of usage, and the electricity rates in your area. To get an estimate of the cost, you can multiply the wattage of the heater by the number of hours it is used, and then multiply that by the electricity rate per kilowatt-hour.

Q: How does electric heater energy consumption work?

A: Electric heater energy consumption refers to the amount of electricity used by the heater to generate heat. It is typically measured in watts. The higher the wattage of the heater, the more energy it consumes, and the higher the electricity cost.

Q: How can I calculate the electricity cost of an electric heater?

A: To calculate the electricity cost of an electric heater, you need to know its wattage and the duration of usage. Multiply the wattage by the number of hours the heater is used, and then multiply that by the electricity rate per kilowatt-hour to get the cost.

Q: What factors affect the energy usage of a bathroom heater?

A: Several factors can affect the energy usage of a bathroom heater. These include the wattage of the heater, the duration of usage, the temperature setting, the insulation of the bathroom, and any additional features such as timers or thermostats.

Q: What are the operational expenses of electric heaters?

A: The operational expenses of electric heaters include the electricity cost of running the heater, any maintenance or repair costs, and the cost of any additional features or accessories you may choose to use with the heater.

Q: How do electric bathroom heater costs compare?

A: Electric bathroom heater costs can vary depending on factors such as the brand, model, features, and energy efficiency. It’s important to compare the upfront cost, energy consumption, and potential long-term savings to determine which heater offers the best value for your needs.

Q: How can I save money on electric bathroom heater costs?

A: There are several ways to save money on electric bathroom heater costs. These include using a timer or thermostat to control the usage, improving insulation in the bathroom, choosing an energy-efficient model, and comparing electricity rates to find the best deal.

Q: What are the electricity rates in the UK?

A: Electricity rates in the UK can vary depending on your location and the energy supplier. It’s recommended to check with your electricity provider or use online comparison tools to find the current rates in your area.

Q: How does insulation impact bathroom heater costs?

A: Insulation plays a crucial role in reducing heat loss and improving energy efficiency. Properly insulating your bathroom can help retain heat and prevent wastage, ultimately reducing the energy usage and cost of running your bathroom heater.

Q: What other considerations should I keep in mind for electric bathroom heater costs?

A: Apart from the factors mentioned earlier, you may also want to consider the size of your bathroom, the desired temperature, any additional features you require, and the installation and maintenance costs associated with the heater.

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