Energy Efficient  Boilers – carbon friendly  technology
          High efficiency  condensing boilers work on the principle of recovering as much as possible of  the waste-heat normally wasted from the flue of a conventional (non-condensing)  boiler. The best high efficiency condensing boilers convert more than 90% of  their fuel into heat, compared to 78% for conventional types. 
          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. 
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