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For all of your general plumbing and heating needs within the Bristol, South Gloucestershire, Newport - South Wales areas.

We  also undertake Bath and

Wet-Rooms installations.

e: craig@crbainesheating .co.uk

m: 07825 999 510

o:  01454 279 732

Emergency and ‘out of hours’ appointments are available



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Which system is best for me and my lifestyle?

Deciding which gas boiler system  will make an efficient and practical fit with your home and your lifestyle can be confusing.  Hopefully the explanations below will explain the main system types, offer a short explanation how they work, their advantages and what kind of homes they are best suited with.

A combination or ‘combi’ is both a high efficiency water heater and a central heating boiler in a single compact unit.  Combi-boilers heat water directly from the mains when you turn on a tap, so you will not need a hot water storage cylinder, or a cold storage tank in the roof space.  They are very cost-effective and energy-efficient a s water is heated instantly (typically an eight second delay), rather than being heated and then stored in a cylinder.  An added benefit is that hot water is delivered without the need for a separate/additional pump.

Typical gas combination ‘combi’ boiler heating system


System boiler require a cylinder for storing hot water, however the major heating and hot water system components are built into the boiler itself, making it quicker and easier to install.  In addition, there is no need for a tank in the lost, so it can be an option in a home with little or no loft space or where the space is earmarked for a conversion.  These boilers are also compatible with solar water heating systems, which deliver environmental benefits as well as lower energy bills.

Typical system/cylinder boiler heating system


Regular boilers (sometimes known as traditional, conventional or heat only boilers) are ideally suited to homes that already have a traditional hot water system which is linked to a separate hot water cylinder.  These boilers also need a cold water storage tank in the loft to feed the hot water cylinder  as well as a tank that maintains the water level of the central heating system.  A regular boiler may be the best option for replacing an existing boiler if the property has an older radiator system, as it might not be able to cope with the higher water pressure that is delivered by system or combi-boilers.

Traditional or Regular boiler heating system


Weather Compensation is a feature which is programmed into selected Worcester boiler controls and Greenstar  Combi boilers.  Designed to improve comfort, the feature automatically adjusts the temperature of your system to compensate for the weather outside. e.g. if the temperature outside drops, your radiators will run hotter, whilst if the temperature increases the boiler produce less heat, reducing your running costs.   Typical additional savings on energy are around 4-6%.

Weather compensation