what is the pay back period when switching from an oil boiler to a combi boiler
New Oil Boiler Replacement: Prices & Installation Costs
- What is an oil boiler?
- Practise you need an oil boiler replacement?
- Oil boiler prices
- How much does oil boiler installation cost?
- Oil boiler running costs
- Best oil boiler brands and prices
- What size oil banality do you demand?
- Advantages and disadvantages of oil boilers
- Alternatives to oil boiler replacement
- Finding oil boiler installers
A replacement oil banality will help to increment the efficiency, safety and all round comfort of your belongings. New oil boiler prices start from effectually £one,000 for the unit with installation adding roughly £500 to £i,000. In this guide we'll accept you through everything you need to consider to get a complete idea of oil banality costs.
What is an oil boiler?
An oil boiler delivers fundamental heating and domestic hot h2o to a property by burning oil. The oil used by the boiler is stored at the property in a storage tank. This is opposed to natural gas, the most mutual banality type in the Great britain, which is delivered via the mains as and when needed. By storing the oil onsite, oil is a great selection for properties that aren't continued to the gas network.
Oil boilers are available every bit combi, system and regular units. And each of these oil banality types has its own set of pros and cons that make them suited to dissimilar property types.
Oil combi boilers
Oil combi boilers are unmarried cost-constructive heating systems that provide central heating and hot h2o on need. This ways that other than the oil storage tank, in that location's no demand for any additional tanks or cylinders. While this makes them groovy for small to medium sized homes, oil combi boilers will struggle to meet the college hot water demands of properties with multiple bathrooms. If you take more than 2 bathrooms, a organization or regular banality would be a more suitable option as they store hot h2o in a cylinder.
Oil organization boilers
An oil system boiler directly heats the central heating organisation and stores domestic hot h2o in a cylinder. They receive a supply of water directly from the mains, removing the need for a cold h2o tank in the loft which is essential for regular boilers. This puts system boilers in between combi and regular boilers in terms of how they operate.
Oil regular boilers
Regular oil boilers are the oldest boiler type, most commonly found in big traditional properties. Rather than taking water directly from the mains, like combi and system boilers, regular boilers are fed h2o by a cold water storage tank in the loft. They directly oestrus the fundamental heating organisation while storing domestic hot h2o in a cylinder.
It's widely recommended that you should simply have a regular banality installed if your existing heating system already includes a regular boiler. This is known equally a like-for-like banality swap.
No affair which type of oil boiler you take installed, a storage tank will need to be fitted in an outdoor area.
Practice yous demand an oil banality replacement?
Eventually, your boiler volition achieve a point where it won't be able to perform too equally it once did. This could be in terms of efficiency, reliability or all-round performance.
Past reading this article, it's likely that y'all're already considering a new oil boiler. If you're non sure whether they time is correct for an oil boiler replacement, hither are some signs that information technology's time for an oil boiler replacement:
- Your current boiler was installed more than 10 years ago
- It's less efficient than it used to be which has seen your heating bills rise
- Yous've noticed some unusual sounds coming from the boiler or heating system
- Constantly running into issues
- Heating engineers have a hard time finding replacement parts
- Your domicile isn't equally warm and comfortable as information technology in one case was
Find out if it's time for a new boiler in our Complete Guide to Banality Installation.
Oil boiler prices
Oil combi boiler prices
Oil combi boiler prices can range from the £1,000 mark to well above £4,000. Individual oil combi banality pricing will vary depending on the manufacturer and model. The oil combi banality prices in the tabular array below show that the nigh affordable models are manufactured by Firebird and Warmflow.
| Oil Combi Boiler Manufacturer | Potential Oil Banality Costs (excluding installation) |
|---|---|
| Firebird | £1,300 – £2,575 |
| Grant | £1,500 – £3,105 |
| Mistral | £1,710 – £4,596 |
| Warmflow | £1,800 – £2,900 |
| Worcester Bosch | £1,500 – £ii,600 |
These oil boiler costs don't take into business relationship the installation.
Oil arrangement boiler prices
Oil system boilers need to exist installed equally part of a heating system which also includes a hot water cylinder. And so in addition to the oil boiler costs, you volition too demand to keep that in heed too. The cost of the oil organization banality itself typically comes to betwixt £1,000 and £3,000.
| Oil Organisation Banality Manufacturer | Potential Oil Boiler Costs (excluding installation) |
|---|---|
| Firebird | £1,555 – £2,225 |
| Grant | £1,300 – £2,100 |
| Mistral | £1,300 – £3,200 |
| Navien | £1,000 – £iii,000 |
| Viessmann | £ane,000 – £3,000 |
| Warmflow | £1,175 – £1,650 |
| Worcester Bosch | £1,700 – £2,700 |
Oil regular boiler prices
A regular boiler that runs on oil needs to be installed as function of a fairly complex heating organisation. This means that the oil boiler costs will rise from the typical one£,000 – £3,000 for the unit if the tanks or cylinder needs replacing likewise.
| Oil Regular Boiler Manufacturer | Potential Oil Boiler Costs (excluding installation) |
|---|---|
| Firebird | £1,120 – £ii,900 |
| Grant | £1,255 – £2,605 |
| Mistral | £1,000 – £3,250 |
| Navien | £one,000 – £3,000 |
| Warmflow | £ane,045 – £1,800 |
| Worcester Bosch | £1,430 – £2,400 |
How much does oil banality installation cost?
In total, new replacement oil boiler prices, including installation, could cost between £2,500 - £4,500.
The cost of an oil banality installation for each of these boilers volition vary from installer to installer and so we highly recommend comparing multiple quotes to requite yous the greatest run a risk of finding the most competitive price.
On average, yous can expect to pay annihilation from £500 - £2,000 for the labour and installation of your new boiler with the full beingness affected past a number of factors.
Level of labour
No ii oil boiler installations are the same and the amount of work needed will have an bear on on the final price. For example, if your job requires actress pipework, relocating a flue, replacement radiators or the removal of cylinders / water tanks, then you'll inevitably have a college neb from the installer.
Converting to a different banality type
If your current boiler struggles to meet the demand for central heating or domestic hot water, y'all might want to consider an alternative banality type. Whilst information technology would exist worthwhile, it will make the installation of a new oil boiler more complex. The more than complex the installation, the more information technology's likely to cost.
Converting from one banality type to another can be more complex equally the pipework may need to be altered. It can besides involve the installation or removal of tanks and cylinders depending on the banality types involved.
Most like-for-like oil boiler swaps can exist completed by an OFTEC technician within a single day. More than complex installations, such as replacing a regular boiler with a combi could potentially accept every bit long as 3 days.
Moving boiler to a new location
When comparing oil boilers, you'll discover that many manufacturers have models designed for internal or external installation. Then, if yous've found that your electric current boiler gets in the way, you might prefer an external oil banality. And when it comes to internal oil boiler installation, you're non limited to fitting information technology in a kitchen or utility room. Boilers can exist installed in a loft, garage or even a bedroom. However, moving the banality to a new location will increment the time information technology takes to complete the installation also as the costs.
Replacing the oil storage tank
A tank to store the oil is an essential part of an oil boiler installation. Over fourth dimension, the status of the tank tin deteriorate and begin to rust away. Equally the owner of an oil storage tank, information technology'southward your responsibleness to ensure that oil isn't able to leak out and make its way into the environment. Should oil leak out at any point, yous will have to pay for it to be cleaned upwardly likewise every bit covering the toll of any amercement.
As well equally oil leaking out, impairment to the tank tin can allow other substances into the oil. For example, if water is allowed into the tank information technology can carry dirt or lead to freezing.
If the storage tank isn't upwards to standard and so the OFTEC technician may refuse to carry out the oil boiler replacement without a new storage tank being installed.
Powerflush of the heating system
A Powerflush of the heating organization before the new boiler is installed typically costs effectually £300 - £500. Information technology is as well often recommended that you install a new magnetic filter to trap sludge, dirt and debris to keep your organisation working at optimum efficiency for longer.
Thermostatic Radiator Valves
Thermostatic Radiator Valves (TRVs) give you the power to command the rut output from the individual radiators around your home - giving you lot the power to prevent radiators not needed at the fourth dimension from turning on. Having TRVs installed will help to continue your energy bills down and in that location'south no better time to take them fitted than during a new boiler installation.
Oil boiler running costs
Equally oil needs to be stored in a tank information technology's recommended to buy it in majority. Since 2016, the price of oil (per litre) has gradually been on the rise, with a peak in 2018. However, 2022 has seen oil prices plummet to an average of 36p per litre, well-nigh as low as in 2016.
So, how does the price of oil compare with other fuels?
The all-time fashion to look into this is by comparison the toll per kilowatt hour (kWh). A kilowatt hr is a measurement of how much energy is being used in an hour. According to the Free energy Saving Trust* the average price of oil in England, Scotland and Wales is 4.82p/kWh. In Northern Ireland, the price drops to 3.47p/kWh.
This makes oil more affordable than forest pellets (half dozen.06p/kWh) and significantly cheaper than electricity (20.06p/kWh). Natural gas remains the cheapest way to heat your home (4.65p/kWh). This isn't including renewable energy sources, such as solar, which are 'free' ways to generate energy.
| Fuel | Fuel Prices (pence/kWh) |
|---|---|
| Gas | 4.65 |
| Oil | four.82 |
| Electricity (Standard Rate) | 20.06 |
| Forest Pellets | 6.06 |
Source: The Energy Saving Trust*
If you were to install a 24 kW oil boiler, it will apply 24 kWh for each hour that it operates. So if you were paying the average of four.82 p/kWh this would price roughly £1.sixteen to estrus your dwelling for an hour.
You can work out the potential oil boiler running costs of your home using annual kWh and price per kWh being paid for oil. Yous can find out how much energy your home uses each twelvemonth on your energy bill. To requite you lot an thought, we've put typical annual usages based on house size in the table below.
| Number of Bedrooms | Average Annual Heating Usage | Potential Almanac Cost of Heating Home with Oil (four.82p/kWh) |
|---|---|---|
| ane-ii | viii,000 kWh | £385.60 |
| 3 | 12,000 kWh | £578.40 |
| four+ | 17,000 kWh | £819.40 |
All-time oil boiler brands and prices
The best oil boilers are manufactured by Firebird, Grant, Mistral, Warmflow and Worcester Bosch. The leading oil boiler ranges from each of these manufacturers are highly efficient and include multiple output ratings to give a suitable option for a variety of property types.
| Best Oil Boiler | Central Heating Output Ratings (kW) | ErP Space Heating Efficiency | Standard Warranty | Potential Price (excluding installation) |
|---|---|---|---|---|
| Worcester Bosch Greenstar Heatslave II | 18, 25, 32 | ninety% | two years | £2,350 – £2,400 |
| Grant Vortex Bluish | 21, 26, 36 | 90.81% – 94.56% | 2 years | £one,500 – £ii,500 |
| Mistral Combi Standard | 20, 26, 35 | 92% | ii yr parts and 5 years on the heat exchanger | £1,920 – £two,160 |
| Firebird Envirogreen Combi | 20, 26, 35 | 93% | two years | £2,000 – £3,000 |
| Warmflow Argentis Internal Combi | 21, 26, 33 | 91% | 5 years | £2,300 – £2,600 |
The Grant VortexBlue, Greenstar Heatslave Two and Warmflow Agentis ranges also include models that tin be installed externally or in garages/outhouses. You might desire to consider an external oil banality if there isn't much room in your belongings. Having said that, the oil storage tank will have to be outdoors too so plenty of room will be needed if you plan to have both installed externally.
What size oil boiler do you demand?
Boiler size is ane of the nigh important things to get right when looking for a replacement oil banality. Boiler size is otherwise known equally the output rating and shows the maximum power of the unit. Measured in kilowatts (kW), a higher output rating volition be needed to meet higher demands for central heating.
System and regular boilers both only have central heating (CH) output ratings. Combi boilers all the same also have a domestic hot h2o (DHW) output rating equally they directly deliver hot water to the taps.
Property size is the biggest factor in determining an appropriate output rating for your dwelling. Using the number of bathrooms and radiators you lot have, along with the total number of people living in the property, a suitable output rating can be constitute.
| Number of Radiators | Combi Boiler Central Heating Output Rating | Arrangement Boiler Central Heating Output Rating | Regular Boiler Central Heating Output Rating |
|---|---|---|---|
| Up to 10 | 24-27 kW | 9-xviii kW | ix-eighteen kW |
| 10-xv | 28-34 kW | 18-26 kW | 18-26 kW |
| xv-20 | 35-42 kW | 27-forty kW | 27-40 kW |
Have a await through What Size Boiler Do I Need for a complete guide to boiler sizing.
Advantages and disadvantages of oil boilers
The master advantage of oil boilers is that they're a reliable and efficient alternative to gas. And for homes without a connection to the gas network, oil simply costs slightly more. Plus, unlike with natural gas, you can bulk buy and be well stocked up should prices rise.
Oil boiler advantages
- An efficient and effective heating system for the 4 million properties that aren't continued to the gas network
- The efficiency of oil boilers has come along way in contempo years and modern units deliver efficiencies of over 90% – similar levels to natural gas boilers
- Average oil prices in 2022 were at a lower level than recent years
- Oil boilers can be installed alongside a renewable heating system such as solar thermal panels or a heat pump
Upgrading an old, inefficient oil banality to modern condensing version has many benefits including a significant improvement in your safety. They are likewise far more energy efficient which reduces both your free energy bills and carbon footprint.
- Cheaper bills through improved efficiency
- More effective heating performance means a more than comfortable habitation
- Free energy efficiency is a great selling bespeak if you ever sell your home in the future
- Lower carbon emissions reduces your dwelling's bear on on the environment
Choose an oil combi boiler and the list of benefits continues to grow:
- Heating and hot water on demand
- Compact design
- Quick and like shooting fish in a barrel installation
- User-friendly controls
- No water tank in the loft (essential for a regular boiler)
- No need for a hot water cylinder (necessary when having a system or regular banality installed)
Modern condensing combi oil boilers can convert at to the lowest degree 90% of fuel into heat. Some older boilers can exist as inefficient every bit 50%, meaning that one-half of the fuel y'all pay for is not actually used to heat your dwelling. Such a significant improvement in efficiency means you should lose significantly less money through wasted free energy and could reduce your energy bills by as much as £365 a twelvemonth*.
Oil banality disadvantages
- The installation of a new oil boiler tin can be disruptive, peculiarly if you've never had one installed earlier
- An oil storage tank will take up infinite in the garden and tin can exist an eyesore
- Most oil boilers are designed for flooring-standing installation with wall-mounted units often hard to find
- The price of oil does fluctuate and tends to rise in the wintertime so it's important to plan alee in terms of filling the oil storage tank
- Oil boilers aren't the near environmentally-friendly heating systems. Oil, like gas, is a fossil fuel and when burned it produces waste gases that are emitted out into the temper. Information technology'due south estimated that around 14% of all U.k. carbon emissions come from abode heating as a event of using fossil fuels.
If you are concerned nearly the emissions every bit a result of heating your home with oil, y'all might want to consider an alternative heating arrangement.
Alternatives to oil banality replacement
An oil boiler isn't the only selection for off-grid properties. Other fuels that can be stored onsite include liquefied petroleum gas (LPG) and biomass. LPG is propane or butane, a fossil fuel that differs from natural gas as information technology tin can be stored. Biomass, on the other hand, comes from found based organisms such equally wood pellets, chips or logs. Every bit biomass is a solid material, biomass boilers are much larger than oil, LPG and gas boilers.
On average, oil is more affordable than both LPG and wood pellets. Nevertheless, woods chips can be plant for around half dozen.06p/kWh.
| Fuel | Average Fuel Price (pence/kWh) |
|---|---|
| Oil | 4.82 |
| LPG | 7.70 |
| Woods pellets | 6.06 |
Source: The Energy Saving Trust (England, Scotland, Wales)*
Biomass boilers are a grade of renewable heating arrangement equally they use natural materials that are sustainable and more environmentally friendly than fossil fuels. Other renewable heating systems include oestrus pumps and solar thermal panels. These harness sustainable energy from the air, footing or sun and convert it into usable energy. While the units tend to be more than expensive than oil, gas or LPG boilers, they don't require fuel and you can receive payments through the Renewable Heating Incentive.
Rut pumps
In that location are two types of rut pump: air source and ground source.
Air source heat pumps excerpt rut from the air outside. Some models can fifty-fifty do this in temperatures equally low equally -20°C. This air passes over an exchanger coil where a refrigerant fluid is boiled and evaporates, turning into vapour. The vapour is then compressed at high temperatures to produce estrus which warms upward the central heating system.
Ground source heat pumps work in a similar way but rather than taking heat from the air, it's extracted from the ground. At 15-100 metres below ground level, temperatures sit at a constant 10-xv°C which tin exist harnessed past a ground source heat pump. To extract this estrus, pipes are cached in the ground either vertically or horizontally (depending on the room available).
Solar thermal
Solar thermal panels use solar energy to heat the water stored in a hot water cylinder. And then, if you're having a system or regular oil boiler installed, you could take some of the strain off the boiler during the day. The hot water cylinder must exist solar compatible and contain an immersion heater. Hot liquid from the solar thermal panels circulates through the immersion heater, which is within the h2o of the cylinder, to oestrus the stored h2o.
Finding oil banality installers
When looking for an oil boiler installer, you lot should aim to rent one who is canonical by OFTEC. The Oil Firing Technician Association (OFTEC) is a scheme that recognises installers approved to install oil boilers. While it isn't a legal requirement for an oil banality and storage tank to exist installed by an OFTEC approved installer, information technology'southward highly recommended.
Hiring an installer who isn't OFTEC canonical tin can be a hassle. They have to notify the local authorization's building control section earlier the work tin can brainstorm and and so, once installed, an OFTEC technician will be needed to check the installation meets regulations. So, if yous don't rent an OFTEC registered engineer the showtime time round you lot will demand one in the end.
We can match you with OFTEC canonical engineers who are fully qualified to carry out an oil boiler installation. All you need to do is complete our elementary online class – which should but take a few moments. All we need to know are a few details near your property type and the work involved. You lot'll then be hearing from up to iii OFTEC installers as soon as possible.
Compare oil banality installation quotes
We match yous with up to 3 installers because information technology's important to compare quotes when having a new oil banality installed. If you were to accept the first and sole quote you receive, yous wouldn't know if you lot were getting a competitive price. By comparing at to the lowest degree 3 oil banality installation quotes, you lot'll have the peace of mind that y'all're getting the best price from the most suitable company.
Best of all, the quotes y'all receive from companies through Boiler Guide are completely free. Plus, there'due south no-obligation to accept any of the quotes you receive. Get free oil boiler quotes today.
Become Complimentary Oil Boiler Quotes
Reference
*Information Source: Energy Saving Trust, Our Information; Fuel Prices and Carbon Factors (2022)
Fuel prices concluding updated in Nov 2021.
Source: https://www.boilerguide.co.uk/articles/new-oil-boiler-replacement-installation-costs
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