Lorien helps National Trust cut carbon emissions
An energy-saving project completed by Lorien Engineering Solutions on behalf of the National Trust has lowered carbon emissions by 80 per cent.
A year after Sudbury Hall in Derbyshire became one of the first National Trust historic houses to be powered by small-scale renewable energy through a 'green' energy partnership with Npower, its annual carbon emissions have dropped from more than 52 tonnes to less than 12 tonnes.
The property's biomass wood pellet boilers were installed 12 months ago and the decrease in emissions has occurred despite longer opening hours and a 50 per cent increase in visitor numbers compared with last year.
Lichfield-based Lorien, an engineering design and project management specialist, was responsible for carrying out a full sustainable options analysis followed by the design and project management for the installation of the boilers.
The benefits of the renewable-energy system are seen across the property, with boilers that are more easily controlled and the cleaner delivery of fuel.
Thanks to the system, there is no longer a smell of fuel oil following delivery.
The biomass boiler is part of a wider effort by Sudbury Hall to reduce its carbon footprint.
The effort includes the use of compact fluorescent lamps across the property, water-saving devices in all flush systems, an experimental area of secondary glazing and draught exclusion in one domestic area of the property and full recycling across the property.
Since sustainable heating was installed at Sudbury Hall, more than 20 National Trust properties, ranging from historic mansions to outdoor visitor centres, have benefited from the National Trust Green Energy Fund in partnership with Npower.
This project has helped put in place a range of renewable-energy technologies across National Trust locations, including solar water heating systems, replacing oil-powered heaters with biomass wood chip pellet boilers and installing air and ground source heat pumps.
The scheme will be funded by Npower for a further year and properties to benefit from it in the near future include Tyntesfield near Bristol, Nunnington Hall in Yorkshire and Uppark House in West Sussex.
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