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AIVC's Ventilation Information Paper #46: Building airtightness impact on Energy Performance (EP) calculations aims to explain simplified models developed and used around the world to estimate the infiltration rate for Energy Performance (EP) calculations and give some examples of methodologies applied in various countries.
Although indoor air has received less attention compared to outdoor air, it is important to improve indoor air quality as indoor pollution can lead to several health effects.
An indoor ambient simulation is useful to quantitatively assess the performance of Heating, Ventilation and Air Conditioning (HVAC) systems and predict the air flows needed for optimal comfort in any season. Hence, it is possible to reduce energy consumption, simulate air purification, enhance thermal comfort, and optimise HVAC configurations, especially when different system solutions are integrated in the same building.
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