There are a number of boilers available in the market nowadays. No matter what type of boiler you are interested in or have already purchased, you should have at least a little knowledge about that specific model. Boilers are purchased while keeping many things in mind, including your area, your budget, your requirements, boiler repairs Edgware and even the state of the law plays a significant role in purchasing a new boiler.The boilers are usually categorized into 3 main types:Combi boilers:These are the most popular sort of boiler, especially in the UK. Combi boilers provide hot water and heat very efficiently without requiring any water tank and cylinder. These boilers are available both as electric and gas units. PROSThey dont take much space No need of a tank or cylinderYou can have plenty of hot water and heat whenever requiredLow utility billsBest for small-sized homes CONSInstallation is quite trickyIf hot water is used from more than one tap at the same time, the water pressure might be reducedSystem boiler:System boilers are also known as a sealed system. It is designed with a water cylinder, which is generally adjusted in an airing cupboard. No water tank is required for this unit. PROSNo tank is required in your loftHot water is sufficiently available from multiple taps CONSHot water is not available instantlyNeed space to keep a cylinderHot water may run out so you have to wait till reheatingConventional boiler:It is also known as a regular boiler or open vent boiler. It possesses both a tank and a cylinder. PROSHot water can easily be used from more than one tap at the same time. CONSYou have to wait for reheating if hot water runs outRequires room for tank and cylinder