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How reliable are condensing boilers?


Heating systems are always changing and every model is different. There are now dozens of suppliers offering a range of designs to suit your home and the difficulty can be understanding the difference between what is and isn’t reliable.

Condensing boilers are by far the most popular heating system in the UK, but it seems a combination of bad press and faults associated with the design from two decades ago, are still plaguing the industry.

The fact is, condensing boilers nowadays have superb reliability and safety records and will help trim your heating bills.

Take a look at some of the myths surrounding condensing boilers below:

1. Condensing boilers corrode

When condensing boilers were first introduced into the industry there was a fault with the heat exchanger which caused it to erode quickly. However, this has since been changed and all modern boilers have a newly designed heat exchanger. This is often manufactured from stainless steel.

2. Condensing boilers are highly priced

Condensing boilers are by far the most efficient option on the market and many people believe that’s the reason they’re more expensive. This simply isn’t true and the actual reason is because of the parts that create them. Condensing boilers use more expensive parts, which is why in turn, you will pay more for the privilege.

3. Condensing boilers suffer from water damage

There is also a misconception with condensing boilers that water is trapped inside and can cause damage. This cool water is simply a by-product and is drained away. It won’t compromise your boiler’s safety and with an annual service you’ll keep clear of any problems.

4. Condensing boilers are unreliable

Again, this statement is completely false. Over the last two decades the technology used in condensing boilers has been improved and upgraded so it’s highly reliable. Essentially, once installed you won’t suffer any problems.

5. The flue gases are dangerous

With condensing boilers you have a flue to help release water vapour to stop it being stored inside. That’s simply all this pluming is; water vapour. When this water vapour comes into contact with a cold surface it’ll just turn into small droplets of water – hardly dangerous now.

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Tom Crosswell

I have been managing online projects since 1999 and I'm a experienced marketeer, who is well versed in international brand management, online business strategy and developing long term relationships. Through my academic and professional background I am a specialist in generating online loyalty towards brands. My experience has taught me that ultimately business is about relationships and people. For more information see my Google+ page.