Choosing the right boiler When choosing a boiler for your home it’s important to choose the right make and model, this is an expense that you only want to take every 15 years or so. Because if you buy a cheap brand you could end up having to buy a new boiler in 5 years time. A combi boiler is the most common type of boiler that you will find in most homes, the reason for this is that they give instant heating and hot water when you need it and saves a lot on gas bills as it saves heating a hot water cylinder for your hot water. Combi boilers Instant hot water when you need it Saves on gas energy bills over 90 % efficient energy No hot water cylinder, or cold water tank in the loft If you have two showers, or two bathrooms you may need a hot water cylinder as the pressure will be greatly reduced if the shower or baths are being used at the same time. Almost any home, but best for homes where lots of people won’t need lots of hot water at the same time. System boilers System boilers – The boiler has an expansion vessel, header tank not required in the loft. there’s no need for a tank in your loft. Pressure run off the mains hot water comes out through a cylinder limited not water, heated again through the boiler hot water cylinder installed taking up space Ideal for larger homes that need a large supply of hot water Conventional boilers Conventional boilers – old heating system consequently being replaced with combi, sealed system boiler Hot water drawn from several bathrooms hot water limited , boiler to re-heat water inside cylinder More space needed for the reason that of a hot water cylinder Larger homes with two bathrooms Condensing boilers All the new boilers are condensing boilers. Gases used twice before expelling through the flue, hence more efficient. A liquid is produced from this procedure, drain required if possible to run into internal drain, outside drain if can’t but needs insulating to prevent frozen pipes in winter. It is now illegal to install a boiler which is not condensing.