1. Webinar Control The forgotten option in retrofitting Energy led retrofitting of dwellings 04 september2013 Wouter Borsboom*, Leo Bakker*, Ivo Opstelten (Platform31), Wim Kornaat*, Bas Knoll*, Piet Jacobs* *TNO

2. Webinar Much achieved in the Netherlands 2 How long does it take to retrofit?

3. Webinar Prefabricated facades back side Day 1 3

4. Webinar Day 2 Prefabricated facades front side

5. Webinar Prefabricated roof Day 3

6. Webinar Day 6/7 Finishing zinc en roof trims

7. Webinar Day 8 Moving scaffolding

8. Webinar Final result Zero energy in 8 days!

9. Webinar How much money does an average consumer spend on energy in his dwelling in the Netherlands in 15 Years? 42.000 Euro

10. Webinar Development in retrofitting Time E - performance 130.000 100.000 80.000 Zero on the meter Integral renovation costs incl. VAT Integral renovation costs incl. VAT Roosendaal 2010 60.000 Kerkrade 2011 Apeldoorn 2012

11. Webinar Out of a selection of 21 projects in het Netherlands toward nearly zero energy how many houses use control? 11 Ventilation: 3 controlled airflow inlet (passive) and 5 CO 2 controlled ventilation systems Shading: None Heating/cooling: Most projects have central thermostat

12. Webinar Why use control 12 Reduce health impact Improve Comfort Save Energy

13. Webinar In the indoor environment what has te greatest impact on health? 13

14. Webinar Control Strategy 14 Particle filtration (PM2.5) Example: Filtering of outside air Low emitting materials Combustion control (Acrolein) and moisture Example: multigas sensor Then dilution ventilation (odour)

15. Webinar How much energy can we save with ventilation 15 Flow control air inlets Efficient fans Improved airtightness Demand control Heat recovery Demand control and heat recovery

16. Webinar Improved comfort by shading 16

17. Webinar Energy saving by shading 17

18. Webinar Saving potential by zone heating 18

19. Webinar How do people use their windows 19 Depending on outside temperature

20. Webinar 20 Outside Temperature Number of open windows How can we save energy in heating and cooling

21. Webinar When a warm period / overheating is expected: Additional ventilation to cool building mass utilize solar shading to reduce solar gain Development of a innovative control in the Herb Project

22. Webinar InnoEnergy project proposal DCCS 22 Ref 1 Ref 2 Holistic

23. Webinar First measurements at first test site 23

24. Webinar Challenge: reduce energy and increase user acceptance and well being