Project Case Studies

30% reduction in 500 year old, UN protected house

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Reducing energy consumption in old buildings is a difficult task. In this case it was particularly tricky because the house is 500 years old, protected by the Belgian Administration for Monuments and is situated within a UN World Heritage site. Any alterations to the visual exterior of the house are therefore under stringent restrictions, for example replacing windows with double glazing would not be permitted. Despite this situation, the Eco n’Home service was able to overcome these difficulties and produce excellent energy savings. The gas consumption was reduced by 32% by installing a new condensing boiler for heating and hot water production, along with an effective weather-dependent control system. Electricity consumption was reduced by 28% after cutting standby losses (mainly from the computer) and replacing light bulbs with low energy light bulbs. Therefore, the annual household consumption has been reduced by 30%.

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