SIMULERING AV SPECIFIK ENERGIANVÄNDNING FÖR ETT FIKTIVT ATTEFALLSHUS : En undersökning om ett generellt Attefallshus kan klara det nu gällande BBR-kravet för småhus

Detta är en M1-uppsats från Mälardalens högskola/Akademin för ekonomi, samhälle och teknik


Energy efficiency in the building sector is crucial for many countries in succeeding with the completion of goals regarding energy efficiency. This study has investigated if there are any possible and reasonable solutions for Attefallshus in Sweden to meet the demands of the National Board of Housing regarding energy performance in houses. By building a model and calculating the annual energy usage for a specific Attefallshus, through simulations with the software IDA ICE and general input, an energy audit has been obtained. By comparing the specific energy usage for the studied case with the requirement the conclusion that it is possible for this small building to achieve a low enough energy usage to meet the demand. Solar cells are the key to accomplish the target of a low specific energy usage and by combining this with an effective system for heating it possible to get under the limit. The usage of domestic hot water is a very large part of the building specific energy usage and alone almost reaches the set bounds which is why it is of great importance to carefully design systems and to regain heat with effective ventilation. A large part of the energy usage in Attefallshus is related to the user why awareness and careful usage of energy is a significant factor in reaching a low specific energy usage.

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