My wife and I would like to thank you all for the competence and excellent work carried out at our home, from the estimate and the fitter who plumbed in the new boiler, to the electrician who made our programmer work with the boiler, an excellent team of manpower seldom seen with so called professionals.
There are many types of boilers to choose from when looking for a new heating solution. If you do not know the differences between them, it can seem bewildering, but they all have their own unique ways of working. Depending on the size of your home, the number of bathrooms and the way that you use your central heating and hot water, there could be one, two or even three types of boilers that fit your requirements.
This is a simple guide to the different types of boilers that you can install in your home. If you need any more specific advice about the kind of boiler that will most efficiently heat your property and save you the most money on your heating bills, book in a free, no-obligation home survey through Clever Energy Boilers and we will send round an experienced gas engineer to assess your property and make a recommendation.
What is a Combi Boiler?
A combi boiler heats your water from the mains supply on demand and also provides your central heating. All of this takes place in the same single unit that is usually located in your kitchen or bathroom.
Advantages of a Combi Boiler
- Saves room as no need to store hot water.
- No need for a pump to provide a powerful shower.
- Hot water within seconds
- Less pipework means easier maintenance.
- Unlimited hot water.
- Perfect for homes with up to two bathrooms.
Combi boilers are the most popular types of boilers in the UK. They are ideal for smaller homes and flats because they don’t require a tank or cylinder to store hot water. Everything you need for your hot water and central heating is combined in the single unit, meaning that this is a very compact heating solution. Because of this there is less pipework, which means that maintenance is easier to keep the boiler running smoothly.
Unlike a system boiler or a conventional boiler, which heat up storage cylinders or tanks full of water, a combi boiler takes it from the mains. This means you don’t have to worry about the hot water running out halfway through filling a bath. There is just a slight delay between turning on the tap or shower and the water running hot, due to the boiler having to fire up and begin heating the water.
Another advantage of taking water from the mains is that the pressure is usually strong enough to power a shower without any issue. With other types of boilers you often need a pump to boost the flow. Homes with up to two bathrooms should find that a combi boiler meets their needs, but any more than that and it is worth looking at a different kind of boiler.
What is a System Boiler?
A system boiler heats up a water cylinder, which then provides instant hot water until it empties. A water cylinder takes up less space than a water tank, making this a great option for homes with two or more bathrooms.
Advantages of a System Boiler
- Water cylinder is compact to save space.
- Instant hot water available.
- Economical to run.
- Compatible with green energy sources, such as solar.
- Suitable for homes with more than two bathrooms.
System boilers come complete with an inbuilt expansion tank and pump, which you need to boost the water flow to your showers. They are not as compact as a combi boiler, but water cylinders are designed to be as space-saving as possible, requiring much less room than a water tank for a conventional boiler. Installing the cylinder for a system boiler is also relatively easy, especially compared to the process of fitting an additional water tank as well.
Because the hot water for a system boiler is preheated, you have quicker access to it than with a combi boiler. However, once the cylinder is emptied, you need to wait until a fresh cylinder of water heats up to the required temperature. With these types of boilers, it is important to gauge the size of the cylinder correctly to meet your family’s needs.
Generally, system boilers are economical to run, and you can also save more on your energy bills by connecting them to renewable sources such as solar panels.
What is a Conventional Boiler?
A conventional boiler heats your home and makes use of both a cylinder and a large storage tank to supply hot water and heat to your home. It is similar in many ways to a system boiler, but takes up more room, making it more suited to large houses with plenty of space.
Advantages to a Conventional Boiler
- Large capacity for hot water.
- Suitable for homes with multiple bathrooms.
- Compatible with green energy sources.
If you own a property that already makes use of a conventional boiler, then replacing like for like should be straightforward. However, replacing a combi boiler or system boiler with a conventional boiler would be a major undertaking.
Conventional boilers work well in homes with low pressure and they can supply multiple showers and taps at the same time. They are also compatible with green sources of energy, such as solar, allowing you to save on fuel costs as well as doing your bit for the environment.
What Are Condensing Boilers?
You may also hear about condensing boilers. These are not types of boilers in the same way that combi, system and conventional models are. In fact, all boilers manufactured for the UK market are condensing. It means that they use the gases in the flue that would otherwise be wasted. This helps make boilers much more efficient.
This provides a dual positive for boiler owners. Increased efficiency means they are kinder to the environment by requiring less energy to power them and giving off fewer fumes, and that also means they cost less to run, saving money on your bills.
Which Type of Boiler Should I Buy?
The type of boiler you should buy depends on your home situation. The Clever Energy Boilers expert will be able to talk you through the options that fit your property and the needs of your family. They can tell you which boilers will save you the most money while still ensuring you have all the hot water and warm radiators you need.
Book in a home survey today by calling 01274 214557 or using the Contact form on this page.