A2_Boonstra
Download as PPS, PDF1 like555 views
The document discusses passive housing in Europe, which aims to reduce energy consumption in buildings by at least 90% compared to conventional construction. It outlines the key criteria for passive houses, including an ultra-low maximum annual heat demand of 15 kWh/m2 and high insulation standards. Several successful passive house projects in Europe are highlighted, and it is noted that passive housing is gaining popularity, with Austria aiming for 25-40% of new homes to meet passive house standards by 2010.
![all CEPHEUS projects 0 50 100 150 200 250 300 350 400 450 1 6 11 16 21 26 31 36 41 46 51 56 61 1 6 11 16 21 26 31 36 41 3 8 13 18 23 4 8 12 19 23 3 8 13 18 23 28 annual heat consumption [kWh/(m²a)] 63 row houses in Heidelberg (Bj. 1962) 41 low energy houses Niedernhausen 1991 27 low energy houses, Hessia 22 houses, PH settlement Wiesbaden 1997 32 passive houses Kronsberg 1998 180 66 74 Benutzereinfluss im Passivhaus occupants influence: the average is important old buildings low energy buildings passive houses 13.4 14.9 © Helmut Krapmeier / EIV and Wolfgang Feist / PHI > 90% reduc- tion](https://image.slidesharecdn.com/a2boonstra2962/85/A2_Boonstra-2-320.jpg)
![Passive house – The concept 0 20 40 60 80 100 120 140 0 10 20 30 40 50 60 70 80 90 100 Specific heat demand [kWh/(m²a)] Capitlized costs [€/m²] Total costs Energy costs Construction costs E-new buildings Cost reduction: simplified heating system Passive House with compact system](https://image.slidesharecdn.com/a2boonstra2962/85/A2_Boonstra-5-320.jpg)
![Quality criteria Heat demand less than 15 kWh/m2 Total energy less than 120 kWh/m2 in primary energy Passive House Certificate [Note: electricity has factor of over 2.5]](https://image.slidesharecdn.com/a2boonstra2962/85/A2_Boonstra-6-320.jpg)
![Passive highrise in Coventry Client: Midland Heart Architect: IDPartnership Energy consultant: Trecodome www.trecodome.com [email_address]](https://image.slidesharecdn.com/a2boonstra2962/85/A2_Boonstra-27-320.jpg)
A2_Boonstra
- 1. Passive Housing in Europe innovation in construction Chiel Boonstra
- 2. all CEPHEUS projects 0 50 100 150 200 250 300 350 400 450 1 6 11 16 21 26 31 36 41 46 51 56 61 1 6 11 16 21 26 31 36 41 3 8 13 18 23 4 8 12 19 23 3 8 13 18 23 28 annual heat consumption [kWh/(m²a)] 63 row houses in Heidelberg (Bj. 1962) 41 low energy houses Niedernhausen 1991 27 low energy houses, Hessia 22 houses, PH settlement Wiesbaden 1997 32 passive houses Kronsberg 1998 180 66 74 Benutzereinfluss im Passivhaus occupants influence: the average is important old buildings low energy buildings passive houses 13.4 14.9 © Helmut Krapmeier / EIV and Wolfgang Feist / PHI > 90% reduc- tion
- 3. Passive House European Commission Energy Action Plan: Passive House standard must be the norm for new housing by 2015 UK Government Passive house by 2012 Zero carbon by 2016
- 4. Where do we stand 200 kWh/m2 - existing building stock 100 kWh/m2 – standard renovation 50 kWh/m2 – new homes 30 kWh/m2 – 3 liter house 15 kWh/m2 – passive housing
- 5. Passive house – The concept 0 20 40 60 80 100 120 140 0 10 20 30 40 50 60 70 80 90 100 Specific heat demand [kWh/(m²a)] Capitlized costs [€/m²] Total costs Energy costs Construction costs E-new buildings Cost reduction: simplified heating system Passive House with compact system
- 6. Quality criteria Heat demand less than 15 kWh/m2 Total energy less than 120 kWh/m2 in primary energy Passive House Certificate [Note: electricity has factor of over 2.5]
- 7. 15 kWh/m2 Continuous insulation U values in range of 0.10 – 0.15 W/m 2 K U glazing in range of 0.5 – 0.8 W/m 2 K U window frames around 0.8 W/m 2 K No thermal bridges No unwanted air leakage
- 8. 15 kWh/m2 A breathing indoor environment Balanced ventilation with heat recovery Operable windows Summer night ventilation
- 9. Summer night ventilation Ventilation rate between 4 – 20 depending on climate and temperature difference Night ventilation allows building to cool during evenings and night
- 13. The two remaining energy uses in passive house require Low energy domestic hot water system read as solar collector for DHW Low energy electrical appliances read as devices with real on/off buttons read as connecting drying, and washing to heating and ventilation
- 14. Nieuw Terbregge Rotterdam Low Energy Demand Solar thermal collectors Combined Heat and Power
- 15. Why should we do it Need for a robust standard, which may survive next 50 years New distributed energy generation does not come in large quantities Small energy demand can be met by high % renewable energy
- 16. Why should we provide it Rational approach high performance building envelope design flexibility Good quality construction work Better life cycle costs Healthy buildings with low carbon impact
- 17. Why should people buy it Good location Nice buildings to live in Services and amenities around Extremely low energy costs Extremely good comfort so … Good value for money
- 18. Quote from Austria How do people experience their passive house? Room air temperature more comfortable (than in previous house) in winter Warm wall surface temperature very positive, no cold feet Ventilation system overall very good! (no excessive air stream) Lots of natural lighting in the living rooms Source: Ecotech, Austria
- 19. But … can we build it ? Recent study in The Netherlands showed that passive housing can be done in all major construction methods Tunnel walls + concrete floors Calcium silicate + concrete floors Timber frame + floors DHV BAM VDM Rockwool Builddesk Passiefbouwen.nl
- 20. Passive Houses in Austria 5% of all new houses are built in passive house standard In 2010 it is expected to have 25% - 40% of all new houses in passive house quality
- 21. TRECO European Housing Associations choose for Passive Housing Alingsashem, Sweden: 100% of stock Midland Heart, Coventry: 25% of new Aramis, The Netherlands: 100’s passive renovation Logirep, France: Pilot demonstration in Paris
- 25. Hans Eek
- 26. Brogården, Alingsåshem after renovation Decentral ventilation with heat exchanger Efficiency > 85 % 35 cm isolation in walls U = 0,12 W/m2, K 3-pane windows U= 0,85 Entrance doors (porch) U = 0,8 New exterior balconies without thermal bridges Air tightness 0,4ach at 50 Pa 5 cm isolation on the existing roof 38 cm isolation in the attic U-value ca 0,20 W/m2, K Energy performance: (kWh/m2, year) 22 degrees indoor temp 2006-03-06 HE Space heating: 27 Domestic hot water: 25 Houshold electricity: 27 Common electricity: 13 Summary: 92 11 cm isolation, U = 0,14
- 27. Passive highrise in Coventry Client: Midland Heart Architect: IDPartnership Energy consultant: Trecodome www.trecodome.com [email_address]
- 28. Design Strategy Source: SINTEF, Norway The Kyoto Pyramide Passive energy design process Reduce heat loss Select energy- source Display and control energy consumption Utilize solar heat Reduce electricity consumption
- 29. Towards zero emission Passive House standard to achieve low energy demand On site renewable energy to cover a significant part of the energy balance Off site renewables help improve the overall performance of the energy grid
- 30. energy demand on site renewables CO 2 emission offsite renewable energy Green electricity Offshore wind
- 31. Energy = new market paradigm Low carbon legislation will come House Builders have got new competitors: the new energy providers The question is who will benefit: the House Builders or the energy providers And what the costs of living shall be Passive House offers the answers
- 32. Local authorities Local authorities can play a major role in demanding low energy demands of buildings There is a lot of local labour needed to improve the existing stock Low energy demand means low costs for inhabitants: energy you don’t use, you don’t have to pay for !