Oil Boilers Guide: Cheapest Oil Combi Boilers

Oil Boilers Guide: Cheapest Oil Combi Boilers

The oil combi boilers can be a great choice for your home. It’s a system that is similar to a regular boiler, only it uses both gas and oil to heat water. This allows you to save money on your energy bills by using both forms of fuel together. However, finding the cheapest oil combi boilers can be difficult because there are many models and brands out there that claim to offer excellent performance at reasonable prices. In this article, we’ll look at some of them so you know what to look for when comparing different models!



Oil combi boilers are about two-thirds the cost of installing a gas combi boiler.

Gas combi boilers are a lot more expensive to install than oil ones. And they’re also more expensive to run – with gas you have to pay for the gas, and then we need to add on the increased costs of heating your home using electricity.

Oil is much cheaper than gas, so if your system comes with an electric element, then it will be significantly cheaper to use that instead. Oil boilers are also slightly more efficient than gas models – not enough for you or me to notice when we’re paying our bills though!


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How much is a combi oil boiler in Ireland?

The cost of an oil combi boiler in Ireland is around €3,500. This includes installation and replacement costs.

The installation fee will vary depending on the type of boiler you choose and whether it’s a new or existing build. In general, you can expect to pay between €1,000 and €2,000 for the installation itself. If you’re replacing an existing boiler with another one that runs off natural gas or propane rather than oil, you may be eligible for financial assistance through your local energy company or utility company that covers a portion of your bill when they switch over their equipment to run on cleaner fuels instead.


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Are oil boilers expensive to run?

Oil boilers are more expensive to run than gas boilers. Oil boilers are more expensive to run than electric boilers. In fact, the only type of boiler that is more expensive to run is a condensing boiler, which improves efficiency by recycling waste heat from your hot water system into your heating system rather than venting it outside.

If you’re looking for the cheapest option possible and don’t mind paying a little extra for fuel over time, then an oil-fired combi might be right for you!



How long do oil combi boilers last?

Oil boilers are the longest-lasting option, lasting 20 years or more. This is because oil has a low corrosivity rate and is less likely to cause wear on the boiler.

Gas boilers can last between 12 and 17 years, as they’re also highly resistant to corrosion and have minimal wear on parts.

Electric boilers have around 10 years of lifespan, as electricity is known for causing rapid wear on certain parts of the boiler.

LPG boilers will last you anywhere between 8 and 12 years; however, this depends greatly on how well your system is maintained by yourself or your home maintenance man.


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Can I get a grant to replace my oil boiler?

The government has provided funding to help people on low incomes to replace their old, inefficient oil boilers. If you are eligible then you could receive up to £500 towards the cost of installing a new boiler.

If your current boiler is more than 15 years old and needs replacing then yes, you can get a grant from the government. The exact amount depends on how much heating your home uses and where you live in the country (see below).


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Which oil boiler is best in 2022?

As you can see from the table above, oil combi boilers are one of the most expensive types of boiler that you can buy. However, they also have some benefits that other types don’t have:

  • Oil boilers are cheaper to run than gas or electric boilers.
  • They can be installed in an existing home without having to reroute pipes or alter your home’s structure. This makes them ideal for people who want their boiler moved from one room to another or who want a new boiler but don’t want their old piping system ripped out and replaced with new pipework which would cost much more money than just buying an oil-fired appliance would cost them in total.


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We hope that this article has given you a better understanding of oil combi boilers, and how they work. The main benefits of an oil boiler are the fact that they are cheap to install and run. If you’re interested in reducing your carbon footprint but don’t want to spend a lot of money on heating then we highly recommend going with an oil heater instead! If you want to know more about the cheapest oil combi boiler, please contact us: at +0086 186-2391-5479.