When it comes to choosing the best type of boiler for your home, there are plenty of different factors to consider. The size of the property, the number of bathrooms, the number of showers, the area’s water pressure, and the type of property should all be significant considerations when it comes to choosing your domestic boiler system. We’ll take you through the three most common types of boiler for UK properties, explaining the unique properties, advantages, and disadvantages, and ecological impact of each one, giving you some insight into which boiler replacement is the most practical choice for your home.
By law, every new combi boiler, system boiler, or conventional boiler that’s installed in the UK has to be a condensing one. It’s not a type of system so much as a property that all units must now possess. Condensing boilers have a larger heat exchanger and use the latent heat as fuel, which would usually escape into the atmosphere, helping to increase energy efficiency and lower your utility bills and your carbon footprint. When it comes to energy efficient boilers, there’s no better alternative – condensing boilers are actually more than 90% energy efficient and a very green home heating solution.
There are three main types of condensing gas boilers: combi boilers, system boilers and conventional (also called traditional, regular boilers, open vent or heat only boilers) boilers.
Combi boilers are probably the most cost-effective residential boiler for most homes. They control both hot water and central heating, and their energy efficiency makes them the unit of choice for environmentally-conscious homeowners. Heating water directly from the mains and whenever a tap is turned on, you can get unlimited hot water whenever you need it. There’s no need for a cylinder or water tank, saving you space in your home and cutting down the installation time.
In addition, boiler efficiency ratings generally rank them as one of the highest types of A-rated boilers on the market. Helping to substantially reduce heating bills and save space – there’s a reason why they’re one of the UK’s most popular choices when it comes to home heating.
Combi boilers have plenty of advantages for homeowners:
However, a combi boiler may not be the best choice for all homes and there are some drawbacks:
If your home has more than one bathroom, a system boiler could be the perfect option. They require a hot water storage cylinder, but not a water tank, and because many of the main components are actually built into the system, your boiler installation will be relatively quick and painless. Both the pump and the expansion vessel are inbuilt, eliminating the need for header tanks. As there’s no need for a tank, a system boiler frees homeowners from worrying about frost damage or leaks, while it also makes them much easier to maintain. For larger homes with multiple bathrooms, particularly if there’s no space for a tank, system boilers are a great choice.
Their benefits include:
Unfortunately, they do have some disadvantages:
Conventional boilers, also known as traditional, regular, open vent or heat only boilers, are comprised of both a cylinder and a water storage tank. Although they’re not the best option if space is at a premium, a conventional boiler is able to supply large volumes of hot water to multiple bathrooms, making them a great choice for larger households. It’s probably best to remember that this sort of unit is best suited to homes which already have traditional heating systems in place. Your pipework may not need changing at all, but if it does, any changes are likely to be minimal. Like system boilers, they can be used in conjunction with solar heating systems, helping you to reduce your energy bills and ecological footprint.
While some of the downsides are as follows:
When you look for a replacement boiler, it’s best to keep in mind that every home has different heating requirements, and that every different boiler system has a range of unique properties. In general, tank-based home boilers (system and conventional) are best for properties with multiple bathrooms, while combi boilers are the most appropriate choice for smaller homes with just one bathroom.
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