Welsh Castle Pioneering Wastewater Technology To Slash Bills
Penrhyn Castle in Gwynedd has revealed that it will be pioneering new wastewater technology in a bid to reduce carbon emissions and slash energy bills, by taking heat from water as it goes down the drain.
The water at the National Trust site will then be used to warm up water going to the property’s tearoom, which is very popular and attracts tens of thousands of people every year, the BBC reports.
For the last year and a half, staff at the castle have been working alongside scientists from Trinity College Dublin and Bangor University to monitor its water usage. The Norman castle, which can be found near Bangor, is the biggest National Trust property in Wales and the third most costly to keep up here in the UK, requiring approximately 1.3 million litres of water each and every year.
With the help of an EU grant to the tune of £50,000, the project discovered that there was potential to harvest heat from what was being flushed directly under the tearoom. The scientists trialled numerous ways of using the waste pipe in the cellar to warm water entering the building – and the use of a heat pump is now being considered.
Warming up the water before it goes into the castle would mean it’s both cheaper and quicker to heat it up for taps, radiators and appliances in the kitchen. It’s hoped that the new system will be installed at the castle over the next few weeks.
Commenting on the project, senior lecturer in environmental management at Bangor University Dr Prysor Williams said: “If you think about our communities we have some very big users of water – hospitals, schools, big hotels and so on. So the potential for the findings of this project to be extrapolated much more widely is quite exciting.”
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