“Boilers account for around 55% of what you spend in a year on energy bills, so an efficient boiler makes a big difference. Replacing an old gas boiler with an A-rated high-efficiency condensing boiler and improving your heating controls will significantly cut your home’s carbon dioxide emissions – and could save you as much as £310 a year.”

Why are new boilers more efficient?

Modern boilers are more efficient for several reasons, but their main advantage is that they are all condensing boilers. All well-maintained boilers burn their fuel very efficiently, but they inevitably lose some heat in the hot gases that escape up the flue. A condensing boiler has a bigger heat exchanger, so it recovers more heat, sends cooler gases up the flue and is more efficient.

Sometimes the flue gases get so cool that the water vapour in the gas condenses out (hence the name). When this happens, even more energy is recovered from the condensing vapour, and the efficiency gets higher still.

Combi Swop Installation or Combi 2 Combi Replacement

The most common type of boiler replacement is known as a Combi Swop or sometimes Combi 2 Combi Replacement.

Providing that the existing Combi Boiler has been installed to current building regulations, replacement will normally take one day with minimal disruption to your property.

The only additional pipework required will be what is known as the Condensate Pipe.

It is best practice to route the to a internal waste pipe such as a kitchen sink or washing machine waste, but it can also be routed outside with added protection from the cold weather.

System 2 Combi Upgrades

If you want a Combi Boiler but still have a Hot Water Storage Cylinder you will be needing what is known in the Trade as a System Upgrade. In short this is the removal of the old Heat Only Boiler, the Hot Water Storage Cylinder and also the black water Tank’s above the Cylinder or up in the loft.

Once these have been removed, the old pipework has to be linked together and routed to the new Combi boiler. Essentially this is Combining 2 separate sets of pipework to a “Combined” Combination Boiler.

This type of Boiler replacement will normally take 2 days and require much more materials than a Combi swop, hence the difference in price compared to a Combi Swop.

We offer boiler ranges, please click on the link below that best suits your requirements: