Through JV3 modelling, construction cost was reduced by keeping existing walls from new works (insulation). This was done by decreasing averaged U value from U4.0 to U3.9 and by adding 120% more insulation to the ceiling.

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Through JV3 assessment, we were able to obtain energy compliance for the new extension by adding minimum 1kW solar PV to the proposed building.



By implementing passive solutions, we get to improve thermal comfort by 24%, achieving PMV between -2 and +2 for 93% of the operating hours.