Energy costs are lopped at the Tower of London
Energy-management specialist AEC has helped reduce gas used by heating systems at the Tower of London by 28%, equivalent to 160 t of carbon dioxide a year. The approach used by AEC was to identify the demand for heating energy and compare it with the amount being supplied — the difference being the potential to save. The next stage is to modify the heating-control strategy to achieve these savings without compromising the delivery of building services. The challenges to delivering savings at this World Heritage Site were made more complex by the range of uses of the buildings. They provide homes for 35 Yeoman Warders and their families, museums, restaurants and offices. The heating infrastructure is over 30 years old — and there is the thermodynamic challenge of 4.5 m of granite. The opportunities for saving energy at the Tower were similar to just about any other building, including modern office blocks. As a result of success at the Tower, AEC is looking at the opportunities for saving energy at Hampton Court as part of the wider proactive approach of the Historic Royal Palaces.
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