Integrated energy renovation of multi storey housing
In the present project a predesign for an energy efficient renovation of a multi storey housing in the city of Vejle has been developed.
The aim of this project is to adapt and demonstrate the most promising Danish and foreign techniques within the field of energy-efficient building renovation, including experiences from the International Energy Agency (IEA) Task 20 'Solar Energy in Building Renovation', The Yellow House' in Aalborg, IEA Task 19 'Solar Air Systems' and photovoltaic installations ingegrated in a building system for glazed balconies in a block of buildings in Kolding, Denmark. In cooperation with selected partners within the Danish building industry and the municipality of Kolding, the innovative renovation techniques are developed and realized in a multi storey housing block in Kolding. The results will be presented as a summary report, which describes the most attractive ideas in relation to energy- and environmentally friendly building renovation. By showing and arranging access to a demonstration apartment, the renovated building will be used for demonstration
The project has been carried out in close co-operation with the tenants as well as the housing company Østerbo in which department 9, consisting of 104 units, has been used as model for the predesign. Besides, the project has continuously been coordinated with wishes and requirements from the technical authorities from the Municipality of Vejle. The project is based on the experiences from IEA Task 20 'Solar Energy in Building Renovation' and has been coordinated with the ongoing work of Task 20 regarding the development of new and improved concepts for the use of solar energy in building renovation. The project includes advanced glazed balconies, ventilated solar walls for preheating of ventilation air, radiator integrated fresh air in-lets, unventilated solar walls with transparent insulation and demand controlled ventilation regulated by the relative humidity of the indoor air. Furthermore, the project design has been coordinated with the conventional renovation activities of the buildings (new kitchens, new bathrooms, new heating and ventilation system). to some extent, materials have been selected base on LAC studies. To visualise the proposal for the tenants, mock-ups have been produced. The project is expected to reduce the energy demand for space heating and ventilation to 90 kW h/m2 corresponding to savings of 50% compared with a standard renovation. Finally, the project proposal has been used in connection with a project application for the EU Thermie programme. The housing organisation Østerbo has received support for the project which will be constructed during 1999 - 2000. Comprehensive monitoring will take place in 2000 - 2001
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