This depends on several factors, depending on the size, make and model an oil boiler, the parts required, including the flue, system filter, alteration of pipework and whether it is in an indoor or outdoor, if a new oil tank is required etc the cost can vary considerably which is why we come and assess fully your individual requirements and we provide a no obligation quote.
You could, if you have the know-how, but DIY boiler installation is risky. Without certification by a “competent” OFTEC (Oil-Fired Technical Association) installer there may be problems with insurance, and if you have made any mistakes with the fitting there could be a safety hazard.
On average oil-fired boilers that are well maintained and regularly serviced should last up to 20 years. Once your boiler reaches that age, or close to it, it won’t be working as efficiently as newer models, will be requiring a lot of repairs and attention, and be gobbling up fuel, so it is best to replace it with a new one.
Oil is an efficient fuel, with most of the modern oil boilers offering more than 90% fuel efficiency, so you are getting the most heat for your money. They become less efficient as they age. Oil condensing boilers are particularly fuel efficient.
The Government has pledged to reduce CO2 emissions to zero by 2050, and part of the strategy to end the use of fossil fuels involves banning the installation of oil boilers in new build homes from 2025. Oil boilers in existing properties are not affected, and it is likely to be decades before the millions of homes that use oil boilers are compelled to use alternative sources of heating.
Just like gas boilers, oil-fired boilers come in three types – combi, system or regular. Combi oil boilers are a convenient compact unit for both hot water supply and heating in small homes. Regular oil boilers store hot water in a separate cylinder for dual purpose use of central heating or tap water, while system oil boilers are a closed system, using a separate hot water cylinder in a similar way to regular boilers.
A number of factors affect the cost of running an oil boiler, not least of which is the fluctuating price of oil (which, remember, includes the cost of delivery). Consumer group Which? estimates the average annual cost of heating oil to run both heating and hot water is £830, based on a consumption of around 17,000 kWhs worth of heat a year.
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