1. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 1 RENAISSANCE LYON Working Group 3 Num/exp. Christophe Ménézo A/Prof & INSA Lyon-CETHIL (Thermal Science Centre of Lyon) Christophe.menezo@insa-lyon.fr

2. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 2 Num/exp. comparison -Envelop Air tightness -Thermal bridges -Natural Ventilation rate -Inertia Key points Huge impact on both Might induce huge discrepancies

3. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 3 Envelop air tightness Impact on heating needs

4. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 4 Envelop air & thermal leak

5. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 5 Measurement of air leakage traditional method Static method: ΔP (Pa) measured Q (m 3 /h) measured 10230 20370 30490 40590 50690 55730 ΔP (10 – 55)

6. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 6 Natural ventilation Ventilation rate influence

7. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 7 Natural ventilation Day/night ventilation strategy (with inertia) Temp. °C Hours

8. RENAISSANCE : a CONCERTO project financed by the European Commission on the six framework program RENAISSANCE - LYON - FRANCE 8 ENERTECH