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Naturgy has implemented retrofitting actions to lower the energy consumption in over 12,500 m2 of tertiary floor in Barcelona. Three buildings with very different uses have been retrofitted, and one of them is a Sports Centre, CEM Claror Cartagena.
Under the Grow Smarter project, Naturgy has implemented retrofitting actions to lower the energy consumption in over 12,500 m2 of tertiary floor in Barcelona. Three buildings with very different uses have been retrofitted, and one of them is a Sports Centre -CEM Claror Cartagena. The challenges faced by the Sports Centre included strict requirements for indoor air quality, temperature and quality of water in swimming pool, and high consumption of water and energy.
In the framework of GrowSmarter, an integrated refurbishment of the Centre’s facilities has been carried out, ranging from passive measures that aim to reduce thermal demand to installation of new equipment to increase energy efficiency in the production of thermal energy. The measures selected are intended to complement each other and achieve a technically and economically optimised level of investment and savings.
Implemented passive measures in swimming pool area:
1. Roof insulation: the roof over the main pool hall has been refurbished by adding a layer of insulation within the dropped roof to reduce losses through this surface.
2. Pool insulation: the thermal insulation of the walls and ground surrounding the swimming pool helps to reduce the heating demand for the pool water because it reduces thermal losses through the structure.
3. Insulation between dressing rooms and swimming pool (thermal zoning): it is possible to further reduce energy consumption for heating and cooling by isolating the common walls between spaces with different design temperatures. In this way, each thermal zone will be managed individually and better control of consumption will be possible.
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