If it is time to change your boiler, you need to decide what type of boiler is right for you. Here are some things to consider:
- make your home more energy efficient
- reduce your fuel bills
- cut your household carbon footprint
Heating accounts for about 55% of what you spend in a year on energy bills, so an efficient boiler makes a big difference.
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 pipe for extracting fumes and supplying fresh air to the boiler).
Modern boilers are more efficient for several reasons, but their main advantage is that they are all condensing boilers. A condensing boiler has a larger 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, and even more energy is recovered from the condensing vapour.
Things to consider
Improve your central heating system
It’s also worth considering whether you can improve your central heating system by making one or more adjustments to your heating. These include:
Costs and savings
England, Scotland and Wales
Replacing a gas boiler
The costs for replacing a boiler will vary, but a straightforward gas boiler replacement plus thermostatic radiator valves will typically cost about £2,300, excluding radiators.
Replacing an oil boiler
The costs for replacing a boiler will vary, but a straightforward oil boiler replacement plus thermostatic radiator valves will typically cost about £3,100.
Finding an installer
It’s worth getting three quotes from different installers, and you may also want to check that installers have:
- a local office
- been in business locally for several years
- customer references that you can review.
Your registered installer will ensure that your system complies with current building regulations, and will make sure you get all the documentation to prove this. Keep these documents safe as you will need them when you sell the property.
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