System boilers are ideal for larger properties with a high hot water need
WHAT'S A SYSTEM BOILER?
System boilers are a popular type of boiler for larger homes, although they’re usually less efficient than combi boilers. With a system boiler, you’ll need a hot water cylinder.
Like a combi boiler, system boilers take their water supply directly from a mains feed. However, they heat water into a hot water tank as well as into your central heating system. This may mean that they’re less efficient, as you’ll have to heat an entire tank of hot water regardless of how much you use.
Is a system boiler the best boiler for you?
If your home is particularly large, for example if you have more than 2 bathrooms, a system boiler could be the best choice for you. New high efficiency models are efficient and quiet, although combi boilers are generally more efficient.
If you don’t have the space for a hot water tank, you’ll want to choose a more compact type of boiler instead of a system boiler. If you already have a system boiler, replacing it with another system may be easier, as you’ll already have the required hot water tank.
It’s also worth bearing in mind that with a system boiler, hot water isn’t instant. If you’ve used all of the hot water in the tank, you’ll need to wait until it can be refilled.
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Get the best System boiler prices
Ideal Logic Plus System 18
Fully Installed Price
- Efficiency rating:
- 10 year warranty
- Central heating output: 18kW
Tell us about your home to find out if this boiler’s right for you
These show this boiler’s ErP efficiency rating for space heating and hot water from A+++ - G. You could save hundreds on your heating bills by replacing your old boiler with an A-rated one.
|Old Boiler||Annual Saving|
Source: Energy Saving Trust