What are my options?
- Conventional boilers
Helped along by gravity, these boilers are filled with water from a cold water tank (typically kept in your loft). Once heated, the water is stored in the boiler’s hot water storage cylinder. You can then use the water whenever you need it.
- Combi Boilers
Combi boilers get their water directly from the mains supply. It boils water as soon as the hot water tap is switched on. It’s housed in one compact unit without needing a separate hot water cylinder.
- System boiler
These are essentially combi-conventional hybrids. Like conventional boilers, system boilers store water in a hot water cylinder. But like Combi boilers, they get their water from the mains.
1) How much space have you got?
The first consideration is undoubtedly how much room you have available. If you’re limited on space, a conventional boiler, with its hot and cold water tanks, might not make the most sense. In such situations, a combi boiler, which doesn’t need a hot water tank, might be your best option.
2) How many bathrooms have you got?
If your home has multiple bathrooms and toilets- and lots of people to potentially use all of them at once- you’ll need something big enough to cope with the demand. Unfortunately, a combi boiler will probably be too small to hold enough water for that.
System or conventional boilers might be better equipped to handle the many family members showering or bathing at once. But a combi boiler should do the job perfectly if it’s just a few bathrooms and less than ten radiators.
3) How old is your system?
Older properties aren’t built to accommodate combi or system boilers. So a conventional boiler is your best option if your system has been around for a few decades.
Is that all I need to know?
No. That’s only the first step. The next thing you’d need to know is the size of the radiator. By that, we don’t mean the dimensions. Instead, we’re talking about its power output, measured in kilowatts.
Your boiler’s size will depend on the number of radiators you have. You can read more about that in part 2 here
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