High Efficiency Central Heating Boilers

Condensing boilers get their name because they enter what is called "condensing mode" periodically. In other words, they start to extract heat from the exhaust gases that would otherwise escape through the flue, in the process turning water vapour from the gas back into liquid water or condensate.

There are two types of condensing boiler: regular and combination. Regular condensing boilers heat your hot water through a hot water cylinder. Combination condensing boilers give you instant hot water without the need for a cylinder.

The Abergavenny Heating team have many years experience and will be happy to discuss with you which is the right option for your property.

If your boiler is 15 years old or more then it could be a G rated boiler, you can find out by checking the list here.

Replacing an old G rated boiler with a new A rated condensing boiler and a full set of heating controls can save you up to a quarter on your heating bills straight away and up to 1,300kg of CO₂ year. If your boiler is less than 15 years old then it is likely to be more efficient but the annual savings may be less.

Did you know?

If everyone in the UK with gas or oil central heating installed a high efficiency condensing boiler with full sets of heating controls, we would save enough energy to heat nearly 1.9 million homes for a whole year and save around 6.7 million tonnes of CO_2.

The type of boilers we fit here at Abergavenny Heating also comes fitted with Weather Compensation controls. These are a great way to make a boiler operate more efficiently. They can save up to 15% of annual fuel bills - that’s on top of the big savings that you get from changing to a condensing boiler.

The boiler is connected to a small sensor on the outside of the building. When the temperature changes outside, the boiler responds and starts to increase or decrease the radiator temperature, to compensate. This pro-active mechanism means that people inside the building won’t even notice that the temperature outside has changed.

These constant small changes also mean that the boiler is able to operate at the minimum temperature required to keep the rooms warm. This keeps the return temperature as low as possible and a return temperature of 57°Cor less means the boiler can condense. Weather compensation maximises the condensing period of the boiler and results in significant fuel savings.