Different Types of Gas Boilers for your Central Heating System
Wednesday, April 20th, 2016
Types of Gas Boilers
If you have the unfortunate problem of a boiler breakdown in winter and you have to replace your gas boiler or you are simply looking to upgrade your gas boiler then there are a few things you need to consider when choosing what type of boiler to install in your home. The size of your boiler, the type, construction, and energy efficiency will all have an impact on your home and your energy bills. You should take some time to consider your options and think carefully about which boiler to choose.
Below is some information on the regular or ‘conventional’ gas boilers, system gas boilers and combination or ‘combi’ gas boilers. (System boilers are very similar to conventional boilers.)
Combi Gas Boilers
A combination or combi boiler is both a high-efficiency water heater and a central heating system boiler in a single compact unit. Combi boilers heat water directly from the mains when you turn on a tap, so you won’t need a hot water storage cylinder or a cold water storage tank in the attic.
They are also very cost-effective and energy-efficient as water is heated instantly rather than being heated and then stored in a cylinder. An added benefit is that hot water is delivered at mains pressure, which means that you could get a powerful shower without the need for a separate pump.
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Compact sizes make combi boilers perfect for smaller properties.
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Ideal where there is little or no attic space.
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No need for a hot water cylinder allows increased living space.
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No cold water storage tank frees up a attic for conversion.
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No risk of attic pipework freezing.
Less pipework in the home makes installation typically cheaper.
System Gas Boilers
System boilers require a cylinder for storing hot water, however the major heating and hot water system components are built into the boiler itself, making it quicker and easier to install. In addition, there is no need for a tank in the attic, so it can be an option in a home with little or no attic space or where the space is earmarked for a conversion.
These boilers are also compatible with solar water heating systems, which deliver environmental benefits as well as lower energy bills.
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Ideal for homes with more than one bathroom.
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Constant supply of hot water to any number of taps at the same time.
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No need for a attic tank, freeing up space and eliminating worries about leaks or frost damage.
Built-in components makes installation quicker and neater.
Regular Gas Boilers
Regular boilers (sometimes known as conventional or heat only boilers) are ideally suited to homes that already have a traditional central heating and hot water system which is linked to a separate hot water cylinder. These boilers also need a cold water storage tank in the attic to feed the hot water cylinder as well as a tank that maintains the water level of the central heating system.
A regular boiler may be the best option for replacing an existing boiler if the property has an older radiator system, as it might not be able to cope with the higher water pressure that is delivered by system or combi boilers.
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Perfect for homes where a lot of hot water is used at the same time.
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Ideal where there are two or more bathrooms.
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A good option in areas where water pressure is low.
Compatible with solar water heating systems for a lower carbon footprint and lower energy costs.
Call us Today for a Free Gas Boiler Replacement Quote
We at Dewar Gas & Oil Service are specialist in this field, looking after ten of thousands of customers across Dublin city and surrounding areas. We would be more than happy to send out a directly employed, qualified and fully insured heating engineer to give you a free written quotation for a Gas Boiler Replacement.
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