Electric Boiler Service

Electric Boiler Service
Stephen Day profile photo

Written by Stephen Day

Gas Safe Engineer

30th May, 2025

Electric boilers are popular in many UK homes due to their efficiency and compatibility with electrical systems. Despite being low-maintenance compared to gas boilers, regular servicing is important.

Key takeaways

  • Electric boilers still need periodic servicing.
  • Regular checks enhance efficiency and safety.
  • Servicing can help extend the boiler's lifespan.
  • Get a new boiler quote, save up to £550 per year (0% APR available).

Electric boilers have become popular in UK homes due to their efficiency and straightforward design. Many wonder if these modern heating systems need regular servicing like traditional gas boilers. While electric boilers require less upkeep than gas models, they still benefit from periodic checks to ensure they run efficiently and safely.

The operation of electric boilers is simple, converting electricity into heat to supply hot water or central heating. This simplicity often means fewer potential issues, but regular maintenance can still extend the lifespan of the boiler and prevent unexpected breakdowns. Homeowners can appreciate that this regular attention can help keep energy bills lower by maintaining peak efficiency.

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What Is An Electric Boiler And How Does It Work?

Electric boilers are appliances used for heating water. They operate without burning fossil fuels like gas or oil. Instead, they use electricity as the energy source. This makes them energy-efficient and environmentally friendly, as they don't produce waste gases.

Functionality
Electric boilers connect to a wet central heating system. They heat water in radiators and provide hot water for taps and showers. The boiler uses an electric element to heat the water directly.

Types of Electric Boilers:

  • Electric Combi Boilers: Provide heating and hot water on demand. Compact and ideal for small spaces.

  • Wall Mounted Boilers: Easy to install and space-saving. Suitable for homes with limited floor area.

Features
Electric boilers often include a control panel for setting operating temperatures. A pressure gauge helps monitor water pressure. Many also come with integral system diagnostics to spot issues early. Some are equipped with smart thermostats, enhancing energy efficiency.

Compatibility with Other Systems
These boilers can work with underfloor heating systems. With a kw output that matches the home's requirements, they can efficiently meet hot water demand. A circulating pump may be included to move water through the heating system.

Installation
Electric boilers work with a single phase or three-phase power supply. They include an expansion vessel to manage pressure changes within the system. There's no need for a flue, simplifying installation.

In summary, electric boilers are reliable, efficient, and versatile, meeting various domestic heating needs.

Do Electric Boilers Need Servicing?

Electric boilers are popular in many UK homes due to their efficiency and compatibility with electrical systems. Despite being low-maintenance compared to gas boilers, regular servicing is important.

Reasons for Servicing:

  1. Efficiency: Routine checks by a qualified engineer help the boiler run efficiently. This reduces energy usage and lowers bills.

  2. Safety: Even though electric boilers are generally safe, servicing ensures all components function properly.

Frequency:

Annual servicing is recommended. Although electric models require less upkeep, yearly inspections help catch minor issues before they escalate.

Boiler Warranties:

Many warranties require proof of regular servicing. Skipping this may void coverage.

What is Included?

During a service, the engineer inspects elements like heating elements, thermostats, and electrical connections. Cleaning and minor repairs may be performed to maintain optimal operation.

Regular servicing not only extends the lifespan of the boiler but also maintains its efficiency and safety.

How Often Should I Service My Electric Boiler?

Electric boilers are an excellent choice for many UK households, offering efficiency and safety. Despite needing less maintenance than gas boilers, regular servicing is important.

Most experts recommend annual servicing. This ensures that the boiler operates efficiently, saving on energy costs and preventing unexpected breakdowns.

Factors can influence this recommendation. For example, the age of the boiler and its usage level can play a role. An older boiler, or one that is heavily used, might benefit from more frequent checks.

Why service regularly?

  • Efficiency: Regular checks maintain optimal performance.

  • Safety: Early detection of potential issues.

  • Longevity: Extends the life of the boiler.

Booking a service in the summer can be a good strategy. During this time, demand for heating services is usually low, making it easier to schedule.

A typical service might include:

  • Inspecting the main parts of the boiler.

  • Checking the electrical connections.

  • Running tests to ensure safety and performance.

In summary, while electric boilers need less upkeep, an annual service is a wise choice. It ensures efficiency, safety, and extends the appliance’s life.

Advantages and Disadvantages of Electric Boilers

Advantages

Disadvantages

Highly efficient – almost 100% of electricity is converted into heat

Electricity is more expensive than gas, leading to higher running costs

Compact and space-saving – ideal for smaller homes

May struggle to meet high hot water demand in larger households

No flue required – easier installation and fewer safety risks

Limited output compared to larger gas or oil boilers

Safer – no risk of gas leaks or carbon monoxide

Not always compatible with older heating systems

Quiet operation – no noisy burners or moving parts

May require a larger electrical supply, especially in high-demand homes

How Much Does It Cost To Service An Electric Boiler?

Servicing an electric boiler is crucial to ensure it runs efficiently. The cost to service an electric boiler can vary depending on various factors. It's generally less expensive than gas boilers.

Typical Service Costs:

  • The average price is between £55 and £100.

  • Some providers might offer discounts, lowering costs to around £65.

Regular maintenance helps prevent unexpected issues. This might save money in the long term.

Electric boilers do not have the same parts as gas boilers. They usually require fewer repairs. This can make servicing cheaper overall. Always look for a qualified technician to ensure a proper service.

Additional Costs:

  • Installation costs are separate from servicing costs.

  • When installing a new electric boiler, consider setting aside a budget for future services.

Some households might find it beneficial to opt for a boiler cover. This can spread out costs over the year. They typically range from £8 to £13 per month.

While considering service costs, think about the long-term benefits. A well-maintained boiler often leads to improved efficiency. This can result in lower energy bills.

For landlords, annual boiler servicing is not just advisable, it's a legal requirement. Ensuring the flue system is in good condition is crucial for safety.

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30th May, 2025

Stephen Day profile photo

Written by Stephen Day

Gas Safe Engineer at iHeat

Stephen Day is a Gas Safe registered and FGAS certified engineer with over 20 years of hands-on experience in the heating, cooling, and renewable energy industry, specialising in boiler installations, air conditioning, and heat pump systems.

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Articles by Stephen Day are reviewed by iHeat’s technical team to ensure accuracy and reliability.