The ultimate in domestic efficiency.

Some years ago, ATAG’s design engineers realised there was untapped residual heat left in the waste flue gases when the boiler was being used for hot water. So they set upon harnessing the wasted energy and the ATAG Economiser was born.

It works by capturing waste energy from the flue gases and uses it to pre-heat the mains water to improve hot water production efficiency, saving both heat and money in the process.

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