
Full Answer
Are electric combi boilers any good?
Electric boilers are becoming more popular and can be installed in most small to medium sized homes to produce enough hot water for central heating and baths and showers. Electric combi boilers are definitely worth thinking about for homes without gas and people looking to lower their carbon footprint.
Are electric boilers more expensive to run than gas boilers?
Although electric combi boilers are more expensive to run than gas boilers, they’re much more efficient. Whilst most gas boilers have an efficiency rating of around 93%, electric combi boilers typically have a 99%–100% efficiency rating. This means you’ll need fewer units of energy (kWh) to produce the same amount of heat.
Do electric boilers need electricity to work?
All modern boilers need a supply of electricity to operate. But electric boilers turn the electricity into heat – rather than burning fossil fuels. An electric boiler is an ideal for properties that aren't connected to the gas network. Or for smaller homes and flats with a low demand for heating and hot water.
What is the most energy efficient electric boiler?
The Heatrae Sadia Electromax electric boiler is another stellar option for heating your home. This floor standing electric boiler offers close to 100 percent efficiency levels. The Heatrae comes with energy ratings of C and D, delivering on your heating and hot water needs impeccably.

Is an electric boiler a good idea?
One way to combat the impact of home heating on the environment is to turn to electric heating. For smaller 1 bedroom homes and flats, an electric boiler is the ideal low-carbon heating system....Advantages.Electric boiler advantagesGas boiler advantagesQuiet as they heat the homeCheaper than electricity4 more rows•Jul 6, 2022
Is an electric boiler better than a gas boiler?
There's no doubt that if you're after the most environmentally friendly boiler, electric is the right choice. Electric boilers do not produce any carbon emissions as they heat your home – a rather large downfall of gas boilers, which burn through fossil fuels, emitting damaging CO2 into the air.
Can you heat a house with an electric boiler?
But electric boilers are extremely effective, all of the electrical energy they consume is converted into heat, unlike gas boilers, which are only about 95% heat efficient. They are also smaller than gas boilers and can be installed anywhere inside a home without a need for a flue pipe.
Can an electric boiler replace a gas boiler?
An electric boiler can replace any other small to medium size boiler in the home. It is light, small, compact and often completely silent. However, since they only heat up a limited amount of hot water at a time, an electric boiler is not recommended for larger households with a higher demand for hot water.
Can you run radiators off an electric boiler?
For the most part electric boilers look and work like standard gas boilers, but use electricity to power the boiler. Electric boilers work with a 'wet' heating system, i.e. radiators or underfloor heating, which makes them a suitable replacement for gas and oil boilers.
Should I replace gas central heating with electric?
Electric heaters are generally safer than gas as they do not burn fuel to generate heat. This eliminates risks such as carbon monoxide emissions and explosions. There are no water-filled pipes, so there is less risk of damage to the property from leaking or burst pipework.
Why don't we use electric boilers?
As electric boilers waste little energy, some may deem that they are more energy efficient. However, the work that goes into producing the electricity that fuels these boilers is carbon intensive and can thus ultimately cause more pollution than gas boilers.
Are electric boilers more expensive to run?
The cost of electricity is higher than the cost of gas, so running costs for electric boilers are typically higher. It is estimated that gas can be 3-4 times cheaper per kilowatt-hour than electricity.
How much more expensive is an electric boiler?
This means that on average, electricity is priced at between two and three times as much as gas, although it should be noted that these costs will vary depending on where in the country you live, and which supplier you use.
Is electric heating cheaper than gas 2022?
Gas is a cheaper and more energy-efficient choice, while electric heaters are cheaper to buy upfront and can still be efficient if you are using a renewable energy source.
How much electricity do electric boilers use?
Electricity: 14.24p/kWh (D) 7.74/kWh (N) Our range of 12kW electric combi boilers are modulating from 2kW-12kW. Once the temperature reaches the desired setting set by the user, the boiler modulates to 2kW, hence saving monies on energy bills.
How long does an electric boiler take to heat water?
Providing the tank has hot water in it, you'll be able to access instant hot water when you turn on a tap. However, when the tank is empty, it takes an average of 20-30 minutes for more water to be heated, depending on the boiler model you have installed.
Why don't we use electric boilers?
As electric boilers waste little energy, some may deem that they are more energy efficient. However, the work that goes into producing the electricity that fuels these boilers is carbon intensive and can thus ultimately cause more pollution than gas boilers.
Are electric boilers more expensive to run?
The cost of electricity is higher than the cost of gas, so running costs for electric boilers are typically higher. It is estimated that gas can be 3-4 times cheaper per kilowatt-hour than electricity.
Is electric heating cheaper than gas 2022?
Gas is a cheaper and more energy-efficient choice, while electric heaters are cheaper to buy upfront and can still be efficient if you are using a renewable energy source.
Can an electric boiler heat a large house?
Electric boilers tend to have a much lower power output than that of gas or oil boilers. This makes them suitable for small homes and flats, but not large homes or commercial buildings.
What to consider when buying an electric boiler?
As you can see, there are several things to consider. It is important to weigh the pros and cons of an electric boiler carefully before making your final decision. Think about short term upfront costs as well as ongoing maintenance and energy bills. Also, keep in mind the size of the property and how much you will need. Should you like to learn about the installation costs, you can click here for our helpful guide.
Why are boilers better for the environment?
An added benefit of the lack of waste gas is the boilers are better for the environment. They don’t release any of this pollution at all.
Why don't electric boilers need a flue?
Electric boilers don’t need a flue because there is no waste gas to expel. As a result, they can be placed in far more locations within a property. No fuel tank is needed either. As such, the units are generally smaller.
Why are there no gas leaks in electric boilers?
There are no concerns about gas leaks with electric boilers because they don’t use the fuel at all. Besides they don’t create carbon monoxide. This means your safety is more assured.
How does a boiler work?
In the bottom, there will be a series of heating elements. When electricity passes through them they reach very high temperatures and the water is heated up. A pump will send this hot water to radiators and taps when it reaches the right temperature .
Is it cheaper to hook up an electric boiler to the mains or to install a gas line?
Generally, all it takes is a little additional wiring. As a result, boiler installation is usually cheaper.
Do electric boilers produce waste gas?
The thing to remember with electric boilers is they don’t produce waste gas. That means there is no lost heat at all, resulting in better efficiency. Many models are 99% efficient, outperforming appliances powered by gas and biofuel.
How to save money on electric heating?
One easy way is to shop around and compare brands, services, and prices! With our form, you will receive 5 offers from heating engineers operating in your area —you will be able to save up to 40% on your project and have the electric central heating that best suits your needs.
What is the heating element in a house?
A heating element warms up water, similar to a kettle. Pumps moves this water to radiators throughout your house. This hot water can also be pumped directly to an outlet or to a water storage tank, similar to that found in a conventional or system boiler.
How does a heat pump work?
Powered by electricity, heat pumps absorbs heat energy from the ground or air and concentrates it via a pump. This is then used for heating a room or water. Another way is to heat water through a dedicated immersion heater. This is a heating element that is placed in a hot-water cylinder.
What is an immersion heater?
This is a heating element that is placed in a hot-water cylinder. Using electricity, the element heats the surrounding water,just like a kettle. Immersion heaters can be either your main source for hot water or backup.
How does a radiator work?
These work similar to normal radiators, only that it uses electricity to heat up the water.
Why do people go electric?
Here are a few: Electricity is a highly efficient form of energy and is considered to be much cleaner compared to gas or oil. With storage heaters, there will be minimal heat loss as there is no water traveling through pipes.
Do electric heaters work independently?
A traditional central heating system has no individual control—if you want to heat a single room, the entire network must be turned on. Electric heaters work independently.
How efficient is an electric boiler?
In other words, as electric boilers do not need to burn fuel to produce heat, they don't lose energy through waste gases. This results in an efficiency rating of 99% compared to 89%-95% for most gas boilers.
What is an electric boiler?
Over 25 million homes in the UK have boilers that ignite gas or oil to heat water, an electric boiler passes the water through an electric element to get it hot. Electric boilers are becoming more popular and can be installed in most small to medium sized homes to produce enough hot water for central heating and baths and showers. Electric combi boilers are definitely worth thinking about for homes without gas and people looking to lower their carbon footprint.
What size electric boiler do I need?
A boiler's size relates to how powerful it is and is measured in kilowatts (kW). The higher the number, the more radiators and taps it can provide hot water for.
How many amps does an electric boiler use?
Most electric boilers will use 48 amps, which takes up most of a 60amp fuse, which a lot of homes have. So, while your boiler is busy heating your home and hot water, having another couple of appliances going at the same time could blow the fuse.
How does an electric boiler work?
In short – the electric boiler is connected to the mains electricity supply and just like a gas combi boiler, is supplied with cold water from the mains. Turning the hot tap on or popping on the heating makes the heating element inside the boiler heat up which will then transfer the heat to the cold water.
What is the most popular type of electric boiler?
Some of which may be more suited to your home and lifestyle than others. Similar to gas boilers, the electric combi boiler is emerging as the most popular electric boiler.
Why do you need a gas boiler?
Why choose a gas boiler? 1 Electricity is 3-4 times more expensive than gas per kilowatt hour (kWh), so running costs will be significantly higher. 2 While an electric boiler does not use a fossil fuel like gas to generate heat and does not produce carbon emissions when operating, the electricity it uses is usually generated using fossil fuels when an electric boiler runs on electricity which comes from fossil fuels. 3 Electric boilers are usually only suitable for small homes as they cannot supply multiple outlets at the same time.
Why do high rise buildings need electric boilers?
Electric boilers are a popular choice in high-rise buildings because they don’t need a flue. Getting a boiler replaced on the 5th floor or above might prove a very costly job because we would have to erect scaffolding to be able to work on the flue.
How does a boiler work?
It can come in various shapes and forms, but typically you will see a unit that has the water running through it, being heated via a heating element, just like you would a kettle. You will sometimes see long slim units that are designed to create maximum surface area to heat the water.
What is Elnur boiler?
It is the perfect solution for properties with no access to a mains gas supply or homes which have gas boiler restrictions. The main features and benefits of an Elnur electrical boiler are: People who’ve experienced on-demand boilers are often worried about the hot water flow rate in electric boilers.
How long is the warranty on an electric boiler?
Shorter warranty periods. Most electric boilers come with just 2 years warranty. That doesn’t mean they’re all going to break down during their 3rd year, however, you don’t get the same peace of mind as with the major boiler manufacturers that give you a 10 year warranty. Unsuitable for bigger, older homes.
What is the noise of an electric boiler?
Electric boilers are silent. The only moving part is a small circulation pump that can’t usually be heard with the cupboard doors shut. No hissing, buzzing, grunting or other noises that are typically associated with a gas boiler.
What is auto heating regulation?
Additionally, it is possible to regulate the temperature at which the boiler drives the water heating circuit depending on the outdoor temperature. This method of regulation provides complete comfort as it anticipates changes in the thermal needs of the house.
Do electric boilers come with a warranty?
As soon as that warranty is up though, you could easily find yourself forking out hundreds on repairs, parts and check ups. With the electric combi boiler, that risk is at a minimum and you don't need to service it as much.
How much more expensive is an electric boiler than a gas boiler?
Running costs. Electricity can be as much as 3 times more expensive than gas per kilowatt-hour. However, an electric boiler consumes around half as much energy as a gas boiler. So, let’s find out how much you might pay annually if you install a 22 kW electric boiler and pay 14.4p/kWh of energy.
What is the difference between a gas boiler and an electric boiler?
The difference between an electric boiler and a gas boiler, however, is that electric boilers use the electricity as fuel. Rather than burning fuel, electric boilers convert electricity into heat to provide central heating and domestic hot water.
What is a gas boiler?
A gas boiler burns natural gas to generate heat for the central heating and domestic hot water. The natural gas is delivered to the property by an energy supplier on demand as and when needed. Properties that aren't connected to the gas network can still have a gas boiler installed.
Why replace a gas boiler with an electric boiler?
Replacing a gas boiler with an electric boiler is a great way to lower the carbon footprint of a property. However, as electric boilers are only able to meet the heating and hot water demands of smaller properties, how can larger homes become more environmentally-friendly?
How does a biomass boiler work?
Biomass boilers operate much like conventional boilers. They burn plant-based organisms such as wood pellets, chips and logs. The heat produced when burning the material warms up the water is then used to provide central heating and domestic hot water. If you have access to an outdoor area then you could potentially fuel the biomass boiler for free. Some biomass boilers need to be fed the fuel manually while others do this automatically.
What is the efficiency rating of a gas boiler?
Electric boilers have an efficiency rating of 99-100%, while the maximum efficiency of gas boilers is rarely more than 93%.
How much does it cost to fix a gas boiler?
The price of repairing or replacing parts on a gas boiler can vary from £150 for minor work to £400 for something more serious.
What is an electric boiler?
At its most basic, an electric boiler heats water via an electric element. They are a popular alternative for homes where gas is not an option and oil is either impractical. Electric boilers are popular because of the role electricity plays at present.
What size of the electric boiler do I need?
It is essential to select an electric boiler for a central heating system that is the standard size only because if a user buys a very small one, it will struggle to offer the heat and hot water that you need. On the other hand, getting a boiler that is very big for a small space will be a waste of money.
What is the best boiler for hot water?
The EHC Comet Combi features among the best electric boilers in the market today. The EHC Comet offers you hot water storage at a capacity of 140 liters; enough to cope with a considerable demand for hot water. The EHC also comes in three output variants ( (9kw, 12kw or 14kw), so there is a solution for every budget.
What is the EHC output?
The EHC also comes in three output variants ( (9kw, 12kw or 14kw), so there is a solution for every budget. In terms of performance, the EHC will tickle your fancy. It features a built-in auto air vent, a high thermal cut out, and a magnetic system filter, which helps keep away heating sludge.
What is a Mattira boiler?
This wall-mounted digital modulating, electric combination boiler works smoothly for heating and hot water production. The Mattira comes with some of the following features:
What is the energy rating of the Heatrae?
The Heatrae comes with energy ratings of C and D , delivering on your heating and hot water needs impeccably.
What is a CPSU boiler?
A Combined Primary Storage Unit, or CPSU, stores a lot of hot water within the boiler so that it can meet demand much quicker and at higher pressure. However, they tend to be quite large and therefore are more suited to industrial installations.
What is an Electric Boiler?
Electric boilers, unlike gas boilers, use electricity as their fuel. Fuel combustion does not take place with electric boilers, instead, they convert electricity into heat and this energy is used to heat water for your home. This heated water is then sent to your radiators and taps for heating and hot water purposes. As no fuel is burnt during operation, electric boilers are commonly deemed as a more eco-friendly option.
What is the best boiler for a home?
Electric boilers tend to be best suited to properties that are not connected to the gas network, and homes that have lower heating and hot-water requirements.
What is a condensing boiler?
All modern gas boilers are built with condensing technology. This means that they can recover latent heat and use this to provide further heating instead of letting the energy go to waste. Condensing boilers can reach efficiency levels of over 90% and all boilers installed within the UK are legally required to be A-rated.
Why do boilers burn natural gas?
Gas boilers burn natural gas in order to generate hot water for the taps and radiators in your home. They are the most common form of heating in the UK, with approximately 80% of homes relying on gas central heating.
What is the fuel for a gas boiler?
Gas boiler systems can be fuelled by natural gas or liquid petroleum gas (LPG). If your gas boiler is powered by natural gas, it will receive its fuel from the local gas network.
When will the UK ban gas boilers?
In order to help the UK meet its strict net-zero energy efficiency targets, the government has proposed a potential gas boiler ban in 2025. This move could see a rise in the use of electric boilers. Find out more about the potential gas boiler ban here.
Is a combi boiler a good central heating system?
An electric combi boiler is a good central heating boiler choice . It is not only efficient and quiet but also a clean and non-polluting choice. Depending on your property size, you can decide if this heater is feasible for you.
