Can I Save Money by Replacing the Boiler in my Home or Business?
Can I Save Money by Replacing the Boiler in my Home or Business?
When considering the amount of money you could save on your heating bills by installing a more energy efficient boiler, it is important to remember that about 55% of your total energy costs is spent on the work that your boiler undertakes.
By assessing your current boiler and comparing it to newer A-rated systems you will be able to quickly notice the difference that a new boiler installation can make to your household bills.
The level of energy efficiency of your boiler is rated on a scale of A – G. The most energy efficient boilers are rated A and the least energy efficient models are rated G.
Replacing your older boiler with an A-rated system can save the average home up to £305 per year on your heating bills. Installing a new boiler with a complete heating control system provides significant savings on your energy bills and also reduces the amount of carbon dioxide emitted from your home.
How much will I save with a new boiler installation?
If you currently use an old boiler rated between D and G you could make significant savings on your energy bills by upgrading to a new boiler. Installing a new A-rated condensing boiler with thermostatic radiator controls (TRVs), a room thermostat and programmer can save you the following amount of money on your heating costs:
| Old boiler rating | Mid floor flat | Mid terrace house | Detached bungalow | Detached house | Semi detached house |
|---|---|---|---|---|---|
| D (78–82%) Without thermostat controls | £70 | £145 | £145 | £300 | £175 |
| D (78–82%) With a programmer and room thermostat | £40 | £75 | £70 | £145 | £90 |
| E (74–78%) Without thermostat controls | £90 | £175 | £180 | £360 | £215 |
| E (74–78%) With a programmer and room thermostat | £50 | £100 | £100 | £195 | £120 |
| F (70–74%) Without thermostat controls | £105 | £210 | £215 | £430 | £255 |
| F (70–74%) With a programmer and room thermostat | £70 | £130 | £125 | £255 | £155 |
| G ( < 70%) Without thermostat controls | £145 | £280 | £290 | £570 | £340 |
| G ( < 70%) With a programmer and room thermostat | £100 | £185 | £190 | £370 | £225 |
These estimated figures may vary according to the thermal performance and size of your home. The examples above are based on replacing an older boiler with a new A-rated condensing boiler which includes thermostatic radiator controls (TRVs), a room thermostat and programmer in a gas-heated home.
Although the costs of a new boiler will depend on the style and make, generally a new boiler replacement will cost around £2,300 not including radiators.
How are New Boilers More Energy Efficient?
New A-rated boilers are all condensing boilers which offers a significant advantage over older boilers. Condensing boilers are able to re-use heat which would have escaped up the flue in older boilers. Condensing boilers can achieve this additional heat recovery as they have larger heat exchangers.
A condensing boiler achieves additional energy from recovering the condensing vapour of the gas. As the gasses in the flue cool down, the water vapours condense out allowing the boiler to make use of the fuel released.
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