How long does a boiler service take?

3 June 2024

Having your boiler serviced normally takes less than an hour, and often as little as half an hour. It may take longer if problems are encountered that can be repaired there and then, or if there are problems accessing certain areas.

What can make the boiler service take longer than expected?

When booking a boiler service, it’s sensible to anticipate that sometimes the process may take longer than initially expected. There are several potential issues that can complicate a boiler service, extending the time required for the technician to complete the job. Here are some common factors.

Accumulated dirt and debris

Over time, boilers can accumulate significant amounts of soot, dust and other debris. A thorough cleaning may be necessary to ensure the boiler operates efficiently, which can take extra time.

Corroded or worn parts

Corrosion or deterioration of key components such as heat exchangers, pipes or wiring can be more extensive than expected. Replacing or repairing these parts can be time-consuming.

Excessive limescale

Limescale can build up in certain parts, such as the heat exchanger. This is more likely if you live in a hard water area. Often, this can be flushed out or cleaned with chemicals, but in severe cases it could mean replacing components. That can add time to the repair, particularly if parts have to be sourced and delivered. 

System complexities

Modern boilers come with advanced technology and sophisticated controls. Diagnosing and servicing high-tech components, such as smart thermostats or modulating burners, can take extra time due to their complexity.

Fault finding

If the boiler is experiencing intermittent faults or error codes, the technician may need to spend additional time diagnosing the problem. This could involve multiple tests and inspections to trace the root cause.

Blocked flues or vents

Blockages in the flue or ventilation system can be hazardous and require immediate attention. Clearing these blockages safely can extend the duration of the service.

Gas pressure or supply issues

Issues with gas pressure or the gas supply can significantly delay the service. Ensuring the correct gas pressure and supply are essential for safe boiler operation.

Lack of maintenance records

If there are no prior maintenance records, the technician may need to spend additional time assessing the boiler’s history and current state, which can make the servicing process longer.

Access issues

Sometimes the boiler may be located in a cramped or hard-to-reach area (such as a small attic or basement), which can slow down the technician’s progress and make the job more challenging.

Water pressure problems

Issues with the heating system’s water pressure can indicate leaks or blockages within the system, which may need to be addressed during the service.

Boiler age

Older boilers may have outdated or deteriorated parts that require careful inspection and possibly sourcing replacement components that are no longer readily available, extending service time.

The importance of regular boiler servicing

Boilers are the cornerstone of many homes and businesses, providing heat and hot water essential for comfort and operations. Despite their critical role, boilers are often overlooked until they malfunction or break down. Regular boiler servicing is not just a matter of efficiency; it is a fundamental aspect of home and workplace safety, cost-effectiveness, and longevity.

Ensuring safety

A boiler is a complex piece of machinery that, if not properly maintained, can pose serious safety risks. Faulty boilers can leak carbon monoxide gas that can be deadly. Regular servicing includes checks for any leaks, ensuring all components are functioning correctly, and identifying any potential safety hazards. A professional technician will be able to spot and rectify small issues before they escalate into dangerous situations.

Maintaining efficiency

Over time, boilers can become less efficient due to the buildup of soot, debris or corrosion. An inefficient boiler works harder to provide the same level of heating, resulting in higher energy consumption and increased utility bills. During a service, the engineer cleans critical components and ensures everything is operating at peak performance. This not only helps in reducing energy bills but also minimises the environmental impact by reducing unnecessary energy consumption.

Prolonging lifespan

Boilers are a significant investment, and like any other major appliance, they benefit greatly from regular maintenance. Regular servicing can extend the lifespan of a boiler by preventing small issues from turning into major, costly repairs. Components that might show signs of wear can be replaced or repaired, helping to avoid unexpected breakdowns and the inconvenience of being without heat or hot water, especially during colder months.

Manufacturer’s warranty

Many boiler manufacturers provide lengthy warranties, but they require annual servicing as a condition of maintaining coverage. Failing to have your boiler serviced annually could void the warranty, leaving you financially responsible for any repairs. Moreover, regular service records can be valuable when selling a property, offering reassurance to potential buyers that the boiler has been well-maintained.

Landlord and employer compliance

If you’re a landlord and your property has a gas boiler, you are legally obliged to keep it well maintained – and that means you must have your annual service carried out by a professional. Similarly, if you’re an employer and heat the workplace with a gas boiler, the same applies – it’s part of your obligation to your employees and visitors to ensure your boiler is regularly serviced.

Cost savings in the long run

While it may be tempting to save money by skipping regular servicing, this can be a false economy. The cost of routine maintenance is relatively minor compared to the expense of major repairs or, worse, replacing a boiler entirely. Scheduled services often include a thorough inspection and tuning, which can help identify and correct inefficiencies before they lead to significant issues. 

Environmental benefits

An efficiently operating boiler is also more environmentally friendly. By reducing energy use, you are contributing to lower carbon emissions. Additionally, well-maintained boilers tend to have a longer operational life, which means fewer boilers end up in landfill. 

Book your service today

If you’re in the Milton Keynes, Buckingham or Leighton Buzzard area and it’s time for your annual boiler service, please get in touch with Able Plumbers so we can book you in. We’ll be as quick as possible, but your safety will always be our priority.