Carbon footprint of water revealed

July 2, 2010 at 2:50 am

As many of us make more effort to save power by turning off lights and switching off our TVs from standby, there is one CO2 generator that many of us don’t consider: hot water.

Now the true carbon impact of hot water use in the home has been revealed – and the figures are shocking. The EST (Energy Saving Trust) has said that hot water use in the home is responsible for nearly a quarter of domestic CO2 emissions.

Of the total UK carbon emissions from water, 89% of it comes from the home – as opposed to the treatment of water and pumping. Hot water use in the home leads to a total of 33 million tonnes of CO2 being released into the atmosphere every year – that’s 5% of the total emissions for the UK.

There is also the financial cost to consider, with heating of water costing the average household £200 per year – or nearly a third of the average gas bill.

So what is to be done? The EST has launched a new website helping people to see how much CO2 they are emitting and showing them how to save on water use in the home in general.

Water meters could be one effective measure. They encourage people to keep an eye on how much they are using, which can lead to a drop in consumption of both hot and cold water, and cheaper bills as a result.

Other options to consider include using more efficient appliances, such as washing machines and dishwashers, as these can also help to save water and energy.

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