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High efficiency condensing boilers

New boiler

Modern boilers are more efficient because they are condensing boilers.

A condensing boiler has a much larger heat exchanger. The heat exchanger is designed to extract over 90% of the wasted heat from the fuel it burns which would normally be lost to the atmosphere through the flue, and recycles it back into the heating system.

This means that much cooler gases are eventually sent up the flue. Sometimes the flue gases become so cool that water vapour in the gas condenses out – hence the name, condensing boiler! When this happens, even more energy is recovered from the condensing vapour and the efficiency of the heating system gets higher still.

If your boiler is more than 10 years old it may be wasting as much as 30% of the energy it burns, meaning you could only be using 70% of the gas you’re paying for!

If you are ready for a boiler replacement you need to know which boiler is right for your home.

The majority of old heating systems will have a boiler, a cylinder and possibly a hot water tank in the loft. You can choose for your new boiler to keep the current set up or switch to a combi boiler.

Our ‘Product Selector‘ tool is a quick and easy way to find your Ideal boiler replacement and you can find your local Gas Safe Registered installer using our ‘Find an Installer‘ tool.

Your installer will help to specify the most appropriate new boiler for your home and conduct the boiler replacement.

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