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Witten by Bernard Morgan (Engineer) & Adam Apperley (Marketing). Published: February 16, 2024. Updated: February 16, 2024

Most Energy Efficiency Heaters

Energy Efficient Heaters | Boilerhut

Navigating the world of electric heating solutions can be complicated. Especially when balancing the need for warmth with the desire to manage energy costs.

We’re generally known for our gas, LPG and oil central heating systems. But, when it comes to heating, we know there may be cold spots or hard-to-heat rooms in your home. These alternatives can offer savings on your heating bills while ensuring your space remains warm.

Introduction to Economical Electric Heating

Heating costs form a large part of household energy expenses. It can be beneficial to explore electric heaters that combine efficiency with affordability. Electric heaters, ranging from portable units to more permanent fixtures, offer a versatile and effective solution.

But electricity generally costs 3-4 times more per unit than gas. So the challenge lies in identifying energy-efficient options that won’t escalate your bills.

Efficient Electric Heating Options

Energy Efficiency Heater - Storage Heater | BoilerhutHere’s a snapshot of electric heaters known for their relatively low operating costs, especially in small areas:

  • Infrared Heaters: Directly warm objects and people, minimising energy waste.
  • Halogen Heaters: Provide instant heat with adjustable settings for targeted warmth.
  • Electric Storage Heaters: Utilise off-peak electricity rates to heat bricks overnight, releasing warmth throughout the day.
  • Oil-Filled Radiators: Excel in heat retention, offering prolonged warmth with less electricity.
  • Ceramic Heaters: Heat up quickly and distribute warmth evenly across the room.
  • Fan-Assisted Heaters: Use fans to circulate hot air, ensuring even room heating.
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Key Considerations

When selecting an electric energy efficient heater, consider the following to ensure you choose a model that suits your needs and budget:

  • Room Size: The heater’s wattage should match the area of the space you’re heating.
  • Energy Efficiency: Opt for heaters with high energy efficiency ratings to minimise electricity usage.
  • Safety Features: Look for models with overheat protection, tip-over switches, and cool-to-touch surfaces.
  • Noise Level: If silence is golden in your space, select a heater known for quiet operation.
  • Portability: Portable heaters offer flexibility, allowing you to heat specific areas as needed.

Understanding Electric Heater Running Costs

To effectively manage your electric heating expenses, it’s essential to be aware of the factors influencing running costs:

  • Electricity Rates: Knowing your current electricity rate per kWh is essential for calculating heating costs.
  • Heater Wattage: Higher-wattage heaters consume more electricity but may heat larger areas more effectively.
  • Usage Duration: Longer usage periods increase consumption, highlighting the importance of energy-efficient models.
  • Insulation and Room Layout: Well-insulated spaces with efficient layouts retain heat better, enhancing heater efficiency.

Reducing Electric Heater Operating Costs

Here are a few tips to maximise your savings and efficiency:

  • Proper Insulation: Reduces heat loss, allowing your heater to work more effectively.
  • Seal Drafts: Prevents cold air infiltration and heat escape, improving heating efficiency.
  • Programmable Thermostat: Automates heating schedules, reducing unnecessary operation.
  • Zone Heating: Heats only occupied spaces, reducing overall energy usage.
  • Switch Providers: Consider alternative energy suppliers for potentially lower rates.

The Most Efficient Electric Heaters

Opting for heaters with advanced energy-saving technologies can lower your heating bills. Infrared heaters, for example, offer immediate warmth with minimal energy waste. Oil-filled radiators provide lasting heat with good efficiency.

Each heater type has unique benefits, making it crucial to select one that aligns with your heating requirements.

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Viessmann Vitodens 200-W 98% Efficient Gas Boiler - Energy Efficient Heater Guide | Boilerhut

Gas, oil or LPG Boilers

Sometimes, you have a room or space in your home that your main boiler doesn’t seem to heat. This is why an electric heater can be useful.

But, it could be cheaper over time to install a modern high-efficiency gas, oil or LPG boiler and ensure your radiators are balanced correctly. The Viessmann Vitodens 200-W combi boiler (shown in the picture) is 98% efficient.

A well-balanced system would be able to send more heat to cooler rooms and less to warmer rooms. Thermostatic Radiator Valves (TRVs) are perfect for this. Turn TRVs down in warmer rooms and up in cooler rooms.

New boilers can heat your home more cheaply than older ones saving you up to £590 a year on your heating bills. And considering the cost of electricity vs gas it is almost always cheaper to not use electricity.


Selecting the right electric heater involves balancing initial costs with long-term savings. By prioritising energy efficiency and the specific needs of your space, you can enjoy warmth without overspending.

As a simple calculation, a 2000-watt fan heater will use 2kW of power an hour. The average price per kW is 28.4 pence. So this fan-heater would cost 56.8 pence per hour to run. This might sound good, but it will only heat a single room or space and doesn’t include the daily standing charge.

Implementing additional cost-saving measures, such as improving insulation and using programmable thermostats, further enhances the efficiency of your electric heating solution, ensuring comfort and savings throughout the colder months.

You gas boiler will probably still be the most cost-effective option. It will heat your whole home, meaning you don’t have to move heaters, and with well-set TRVs on radiators, the hourly cost could be the same or only slightly higher than a single electric radiator.

Need a new or more efficient boiler?

If you need a new or replacement boiler or are looking at installing a central heating system, get an online quote (it takes less than 1 minute), and you’ll get an instant price. But why choose Boilerhut:

  • Next day boiler installation.
  • Instant, no-obligation quote in less than 1 minute.
  • Finance options available for new boilers and central heating installation.
  • 10 to 12-year warranty on boilers.
  • ‘Excellent’ 5* customer satisfaction on Trustpilot.
  • Fixed prices. No hidden extras.
  • Get up to three quotes for different-tier boilers.

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