5 Warning Signs Your Boiler Needs

Your trusty boiler keeps you warm and comfortable, providing endless hot showers and toasty radiators. But like any appliance, it won’t last forever. 

Ignoring warning signs of a failing boiler can lead to inconvenient breakdowns, expensive repairs, and even safety hazards. 

Here are 5 boiler problems that scream boiler replacement, now:

1. Old Boiler 

Like any machine, boilers have a limited lifespan, and as they age, they don’t work as well. Usually, boilers last around 10 to 15 years, but some tough ones can go up to 20. When they get close to or go past this age, it’s important to think about getting a new one.

Don’t let a seemingly okay older boiler fool you; it could be making your energy bills higher than necessary. Newer models come with advanced features like boiler controls that not only enhance heating but also use energy more wisely, potentially preventing boiler breakdowns.

2. Noise Coming Out of Boiler

Is your noisy boiler making your home sound like a construction zone with its banging, clanging, or whistling sounds? It’s more than just an annoying background noise. These sounds mean that the inside of your boiler might be wearing out, some parts might be loose, or there could even be leaks. 

Sure, a professional can take a look, but if the noise keeps going, it’s probably a good idea to think about getting a new boiler for both safety and efficiency.

3. Hot Water Issues


If your morning shower feels more lukewarm than steamy, or if it takes forever for the hot water to make it to your tap, your boiler might be the culprit. These hot water issues are signs that your boiler is not doing well.

The trouble could be a failing heat exchanger, a faulty pump, or even limescale buildup. While some problems can be fixed, if you keep facing these issues, it’s likely time to think about getting a new boiler.

4. Increase Bills 

Are you getting surprise bills, and you can’t figure out why? Well, your boiler might be quietly causing it. When boilers get old, they have to work more to keep your home warm, and that means using more fuel. 

But here’s the good news: getting a new, energy-efficient model can make your bills lower and save you money in the long run.

5. Carbon Monoxide Leaks

If your boiler isn’t functioning correctly, it might quietly release carbon monoxide, a gas that’s harmful but hard to detect since it’s colorless and odorless. A yellow flame, strange smells, or feeling dizzy or nauseous near your boiler are warning signs. 

If you experience any of these, turn off the boiler immediately and contact a Gas Safe registered engineer. In cases like these, replacing the boiler becomes necessary to ensure your safety and peace of mind.

Free Boiler Replacement? Yes, You Read That Right!


Did you know that under the UK government’s ECO4 scheme, eligible households can get a free, energy-efficient boiler replacement, including professional boiler installation for their home heating? This initiative is designed to assist those who qualify with upgrading to a more efficient and cost-effective home heating system.

Now, you might be wondering how this works. The ECO4 scheme focuses on helping households that meet specific criteria by providing financial support for replacing their old and less efficient boilers. This not only helps individuals save on energy bills but also contributes to environmental sustainability through the use of more efficient home heating systems.

And the best part? S6Energy is here to guide you through the entire process. We specialize in assisting individuals in securing free, energy-efficient boiler replacements through the ECO4 scheme for improved home heating. Our dedicated team ensures a smooth and hassle-free experience, making it easier for you to benefit from this valuable government initiative.

Don’t miss out on the opportunity for a free, energy-efficient boiler replacement – it’s a win-win for your pocket and the environment!

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