How Much Does It Cost To Power Flush Central Heating System

How Much Does It Cost To Power Flush Central Heating System?

Power flushing your central heating system is essential because it removes sludge and debris that’s accumulated in the system over time.

To help you understand the costs involved with power flushing a central heating system, below we walk you through the everything that you need to know.

Fact: Power flushing can create a pressure increase of up to 7 Bar, which is far greater than the normal pressure of 1 to 2 Bar.

What Is A Power Flush?

A power flush is a process used to clean out existing central heating systems to ensure they are running at their most efficient level. It improves efficiency by removing any build-up of sludge, debris and rust that can accumulate over time and stop the system working as well as it should. The process is made possible by using a “power flusher”, which is a device that forces chemical cleaning solutions at high pressure through the central heating system.

How Do You Know If Your System Needs A Power Flush?

Your radiators and boiler will provide you with telltale signs that your system needs a power flush. Some of these symptoms can include the following:

  1. Noticeable cold spots in the radiators
  2. Radiators are slow to heat up
  3. Boiler is making loud banging noises
  4. Black/dark coloured water is coming from the radiators
  5. Radiators are cold at the bottom and warm at the top
  6. Boiler isn’t reaching its normal temperature
  7. Boiler keeps cutting out
  8. Boiler pressure is dropping
  9. There is a presence of sludge in the system
  10. Radiators need frequent bleeding

How Much Does A Power Flush Cost?

The cost of power flushing a central heating system varies depending on the size of the system/amount of radiators to be cleaned. Generally, power flushing a central heating system with the correct chemical solutions can cost anywhere between £150 – £400.

Below is a table of the approximate costs of power flushing based upon the house size:

Size of House Cost of Power Flushing
Studio/Small Flat/Bedsit (2 Radiators) £150-£200
1-2 Bedroom House (4 Radiators) £200-£250
3-4 Bedroom House (8 Radiators) £250-£300
5+ Bedroom House (10+ Radiators) £300 -£400

What Factors Affect The Cost of Power Flushing?

Due to the fact that power flushing is a “standard” service that most plumbers/heating engineers offer, there isn’t much that affects the overall cost.

The two main factors includes the size (amount of radiators) and the equipment (power flusher device and chemicals) that’s used.

However, the area to which you live may also play a role in the cost to power flush a central heating system. For example, if you are located in London or any other populated city centre location, you may be paying a slight premium.

Is It Cost Effective?

The amount of money you can save on your central heating after a power flush depends on the extent of the problem and the size of your system. However, as an approximation, you can expect to save around 10-15% on your heating bills.

As well as the instant savings, you’ll also benefit from extending the life of your central heating system. Therefore, this is an indirect saving because you won’t have to replace the system earlier than expected.

Can You Power Flush Yourself?

The short answer is no. Power flushing requires a specialist power flushing device and the expertise to ensure that it’s done safely and correctly. Therefore, it’s best to hire a professional heating engineer or plumber to perform the power flush for you.

How Often Should You Power Flush Your System?

It’s recommended that you power flush your system every 5 to 7 years (depending on the age and condition of your system). Due to the fact that it keeps your system running efficiently and reduces any damage to your system, its a worthwhile investment. It’ll also help to reduce energy wastage thus cut your energy bills by up to 15% too.

Conclusion

Power flushing is a process that we highly recommend and as stated above, getting it done every 5 to 7 years is recommend. If you require further information with regards to the cost of power flushing a central heating system, feel free to get in touch and we will try to help out where possible.

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