A combination boiler differs from a standard boiler in that it heats water (directly from the mains) for your hot taps only when they are turned on, saving energy and money.
A standard hot water system uses parts that a mains-fed system does not, such as a cold water storage cistern and a hot water cylinder. The boiler heats a coil inside the cylinder, which in turn heats the water around it. This water is stored for use and reheated when it drops below a set temperature.
A combination boiler needs none of these. Water is heated as it passes through the boiler and goes straight to your hot taps. This can be excellent for smaller properties where a large, constant supply of hot water isn't needed. You also get mains-pressure water, which a traditional system only gives you with a shower pump. There can, however, be disadvantages depending on the size of the property and how many people use the hot water.
If you would like to know which boiler would be best for your property, contact Allserve Heating & Plumbing.