Central Heating Service

Central Heating Service

Our central heating service is second to none. All our central heating systems are installed to all building and oil regulations. Our central heating systems are fully guaranteed and fitted by OFTEC registered engineers. You will be issued a fully complete CD11 on completion, this certifies that the system is installed to Part L of the building regulations.


We install three types of condensing boiler systems:

Which boiler should I choose?

Each type delivers all the benefits of high-efficiency technology, but which one you choose will depend on several factors, including your property, your lifestyle and the professional advice of an OFTEC registered installer for oil-fired boilers.

An example of a central heating and hot water system layout using a system boiler with an open-vented hot water cylinder:


An example of a central heating and hot water system layout using a system boiler with a pressurised unvented hot water cylinder:


Unlike a combi boiler, both a system boiler and a regular (conventional) boiler work on the principle of stored hot water – but a system boiler differs from a regular boiler in some important respects. Firstly, many of the major individual components of the heating and hot water system are built in, which means that installation is quicker, neater, easier and more efficient.

Secondly, the hot water is pumped from the boiler through the system to the radiators and hot water cylinder, resulting in a fast response and more economical running costs. The system boiler removes the need for a feed and expansion cistern.

An example of a central heating and hot water system layout using a combi boiler:


The high efficiency condensing combi or combination boiler is an ingenious space-saving idea, and an increasingly popular choice in UK homes. In fact, combis now account for well over half of all the new domestic boilers installed in Britain every year.

The major difference between a combi and any other type of boiler is that a combi eliminates the need to store hot water – so no hot water cylinder in the airing cupboard. It is both a high-efficiency water heater and central heating boiler combined, (hence the name) within one compact unit which usually sits in the kitchen or utility room, or sometimes in the airing cupboard. The space saving result from the fact there is no hot water storage cylinder, cold water storage cistern or other familiar components of a regular (conventional) heating system.

The further benefits of this are a significant saving on hot water costs, and the fact that hot water is delivered through your taps or shower at mains pressure, so you can enjoy powerful showering* without the need for a pump. Another combi benefit is that it can generally save you money on installation time and costs, since no tank in the roof space means less pipe work and a shorter installation time.

*a thermostatically-controlled shower safeguards against sudden changes in water temperature.

An example of a central heating and hot water system layout using a regular (conventional) boiler:


If you are replacing an older model of boiler, the chances are that you will have a regular (conventional) boiler. A typical conventional system incorporates a boiler and extended controls, a feed and expansion cistern, and a hot water cylinder (usually in the airing cupboard), which is often fed by a cold water storage cistern located in the loft.

Here are a few examples and guidelines to think about and help you identify the type of condensing boiler most likely suited to your needs:


You want to use your loft space for a room conversion or other purpose

You live in a flat or a bungalow (have very little or no roof space)

Your home has more than two bathrooms

Your mains water pressure is low

You want to replace an old boiler to improve an existing conventional central heating system

There is a need to have hot water available on tap without waiting for it to heat up

Suitable boiler





Regular or system boiler

Regular or system boiler

Regular, system or

combi boiler



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