1

The Passive House in Austria

– from pipe-dream to national standard Johannes Kislinger IG Passivhaus Austria

march 07, 2012

Thermal refurbishment Primary School Building 1998

First Passivhaus Kindergarten 2003

Innovation of the project

• A Kindergarten as public building realized as a Passive House.

• The demand of the users for a single storey building.

• Full occupation during working hours from 8 – 12.

Floor layout/ section

Floor layout/ section

Heizw �rmebedarf Passiv hauskindergarten Ziersdorf,

unterschiedliche Berechnungsv erfahren: Planungstool und dynamische Simulation

36.2

5.0

13.7 13.114.3

35.4

5.0

11.5

16.8

12.0

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

Transmiss ions-

w�rmeverl us te

L�ftungs -w�rmeverl us te Innere W�rmen Solare Gewi nne Heizw�rme-bedarf

Heiz

w�r

meb

ed

arf

[kW

h/m

?Ja

hr]

PHPP2002

Thermische Geb�udesimu la tion

Planning tools for Optimizing

Stud frame / 95mm timber panel

pla

ne

thic

kn

ess

Ma

ss

PE

I M

J/m

2

GW

P k

g C

O2

eq

u.

Pri

ce €

mineral stucco coating 0,010 sheeting STO 0,012 DWD 0,016 cellulose thermal insulation 0,360 19,62 82,39 3,92 19,48 stud frame 0,360 4,63 21,74 -7,17 18,70 vapour barrier massive timber construction 0,095 47,50 223,25 -73,63 69,80 clay plaster 0,015

0,508 327,38 -76,87 107,98 TJI stud frame/ 40mm chipboard

PE

I M

J/m

2

GW

P k

g

CO

2 e

qu

.

mineral stucco coating 0,010 sheeting STO 0,012 DWD 0,016 cellulose thermal insulation 0,360 19,31 81,12 3,86 19,48 stud frame timber fraction

stud frame

0,360 6,86 32,26 -10,64 60,40 0,360 2,92 49,57 -1,46

vapour barrier massive timber construction

0,040 20,00 94,00 -31,00 20,80

clay plaster 0,015 0,443 256,95 -39,23 100,68

pla

ne

thic

kn

ess

Ma

ss

Pri

ce €

Optimizing Details and Costs

Sustainable development Use of locally available

materials and workforce

•99.2% recycled aluminum for roofing

•Locally made clay plaster

•Straw bales for therm.insulation

•Corn-starch-cellulose plaster for acoustic ceiling

•Weatherboard cladding from local farmers direct marketing

Optimizing Costs

investment costs and costs of operation

total /m² net floor area

%

investment costs € 1.320

net costs construction and finished surfaces excl.

furniture

100% € 1.150

passive house standard extra costs surplus therm. Insulation, fresh air ventilation,

extra costs w indow s and door openings

9% € 109

ecological extra costs clay plaster, recycling roof, thermal insulation

foamglass, perlite, cork in w indow s

5% € 61

savings 40 tonnes of CO²

€ / a

costs of operation € 2.378

heat energy costs € 438

electrical energy costs € 1.940

After 8 weeks of construction

After 30 weeks of construction

Building of Tomorrow Ministry of Innovation www.hausderzukunft.at

Key Word: Passive House (2006)

1 Austria 1,11

2 Germany 1,084

3 Switzerland 0,86

4 Slovenia 0,102

5 Luxemburg 0,09

6 Czech Rep. 0,071

7 Belgium 0,055

8 Italy 0,054

9 Sweden 0,051

10 Norway 0,045

11 Denmark 0,043

12 Slovakia 0,033

13 France 0,025

14 Poland 0,024

15 Estonia 0,023

16 Netherlands 0,014

17 Irland 0,011

18 Great Britian 0,005

19 Hungary 0,003

20 Spain /

20 Latvia /

20 Portugal /

0

5.000

10.000

15.000

20.000

25.000

30.000

35.000

40.000

45.000

50.000

55.000

60.000

65.000

70.000

10 40 50 80 100 120 150 200 300 500 800 1.100 1.600 2.500

4.600

8.550

11.500

15.750

20.900

28.000

36.900

Residential passive house units total annual residential units in Austria

Source:[Statistik Austria, IIBW], Prognosis [IIBW 2010]

[IG PH A Passivhaus Objektdatenbank]

Passivehouse Growth Rate in Austria

Energy Efficiency Programmes in Europe

Directive 2010/31/EU on the Energy Performance of Buildings (EPBD-recast)

Note: plans after 2016 are not known for all countries, eg Poland - DK, FR, DE: evolution of building energy

consumption - England/Wales: Code of Sustainable homes - Poland: evolution of U values walls -

-20

0

20

40

60

80

100

120

2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

year

en

erg

y e

ffic

ien

cy

im

pro

ve

me

nt

(%

)

Denmark

England/Wales

France

Germany

Netherlands

Ireland

Finland

F: - 55 % (2012/2013); Net zero (2019/2020))

DE: - 25 % (2009/2011); - 33 % (2012/2013) UK: - 25 % (2009/2010); - 25 % (2012/2013))

*VLEB = Very low-energy buildings

(Passive house or even „Zero-Energy-House level)

Carbon Emissions

Carbix Chart

Lodenareal Innsbruck 354 units 26.000 m²

The world’s biggest Passive House

IBO passive house building component catalogue www.ibo.at

Component/ Construction unit area / volume OI3 mass GWP AP PEI

kg CO² eq kg SO² eq MJ

total primary construction 264.088 370.546- 586 1.095.263

outer wall 320,00 -16,54 15.235,00 -20.540,00 52,00 83.738,00

columns 63,00 -23,21 5.040,00 -7.237,00 10,00 19.454,00

columns steel 54,00 46,61 2.541,00 2.718,00 16,00 58.687,00

slabs and construction 2.155,00 -22,86 172.831,00 -247.105,00 358,00 675.420,00

slabs beams 97,50 19,20 48.770,00 -71.300,00 90,00 160.838,00

roof 330,00 -15,86 19.671,00 -27.082,00 60,00 97.126,00

ecological keydata: timber construction OI3 v2,k: -28.24

Component/ Construction unit area / volume OI3 mass GWP AP PEIkg CO² eq kg SO² eq MJ

total primary construction 1.971.734 278.459 1.025 3.239.163

outer wall 320,00 26,65 153.600,00 20.808,00 68,00 230.072,00

columns 60,00 4,58 14.024,00 2.234,00 83,00 29.421,00

slabs and construction 2.155,00 67,09 1.564.530,00 221.498,00 749,00 2.583.979,00

roof 330,00 67,09 239.580,00 33.919,00 125,00 395.691,00

ecological keydata: concrete construction OI3 v2,k: 91.89

Comparison Primary Construction

OI 3 index: -30 < 100 ecological load

Solar Potential Real Estate Register Vienna

Green. Building. Solutions. Summer University Vienna, 22 July - 12 August 2012

Illustration: www.astundnebel.at