Many old boilers are inefficient to run and release high carbon dioxide emissions. High-efficiency gas boilers are designed to reduce heat loss and carbon emissions. These boilers are known as condensing boilers which can save up to 1,200kg of CO2 per year by condensing the water vapour from wasted gases.
The hot gases produced when fuel is burned in a boiler passes through a heat exchanger which raises the temperature of the water. In older conventional boilers a lot of heat is wasted in the flue gases which produces water vaper so a condensing boiler uses wasted heat to pre-heat the cold water entering onto the boiler.
A new high-efficiency condensing boiler have an annual fuel utilization efficiency rating of 85% or more and therefore uses less fuel and emit less carbon which significantly reduces your energy bills. Boilers account for approximately 55% of your annual energy bills so by replacing an old boiler with a high-efficiency gas boiler and with modern thermostatic heating controls you could save up to £300 a year.
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I very much appreciated how quickly you arranged for the installation of my boiler. Mr Brown Jnr was considerate and most efficient throughout and I am very satisfied.J. CHARLES HARROW, HA1