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Dānijas pieredze mājokļu siltināšanā/Māris Želvis, SIA „Rockwool”Prezentācija tika rādita 2010.gada 3.decembra seminārā „Daudzdzīvokļu ēku ārējo norobežojošo konstrukciju renovācijas prakse Latvijā un Vācijā”.
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DANISH EXPERIENCE OF INSULATION MULTISTORY DWELLING HOUSES
Riga Technical University, 2010-12-03
Where do you spend most energy?
What people think: Real:
Source: Emnid survey “zukunft haus 2003” for Deutsche Energie-Agenturhttp://www.zukunft-haus.info/page/index.php?id=1519
Energy efficiency of buildings - important
15
Lit
res
of
oil
ener
gy
for
hea
tin
g, p
er m
2 an
d y
ear
It is possible with existing and proven technology to have buildings with a fraction of the present average consumption!
0
5
10
Averageconsumption in
buildings
Best presentbuilding code
Passive Houses
Lit
res
of
oil
ener
gy
for
hea
tin
g, p
er m
2 an
d y
ear
Sources: EU Commission, DK buillding regulationsand www.passivhaus.de
Who improves energy demands the most in new buildings?
20%
25%
30%
30%
25-30%
Spain
Norway 2)
UK
Denmark
Sweden 1)
Hungary
Residential: 20% Non-residential: 27%
1) Only electrically heated buildings2) As of August 20093) Residential. Non-residential not yet finalized
0%
15%
20%
20%
20%
0% 10% 20% 30%
Germany
France
Netherlands 3)
Italy
Spain
Development in energy-performance requirements in Denmark
Source: Implementation of the EPBD in Denmarkwww.buildup.eu/system/files/EPBD_DK_p2381.pdf
Solutions of external wall insulation
”Flex System” ”Facadesystem”
Ventilated external wall insulation
Insulated buildings
Rockwool products for ventilated external wall insulation
In Latvia we offer:•slabs Multirock 35 (50 – 200 mm thickness)•slabs Venti Max (80 – 200 mm thickness)
Rendered external wall insulation
Insulated buildings
Rockwool products for rendered external wall insulation
In Latvia we offer:•slabs Fasrock Max (80 – 200 mm thickness)•slabs Frontrock Max E (80– 200 mm thickness)
Project: ”Golfen i Kolding”
Multistory passive house
� 40 apartments
� 3 blocks of 4 storeys
� East-west main facades orientation
Details of building
� Large windows
� Architectural freedom
� Energy consumption for heating: 12 kWh/m2/year
Optimal insulation thicknesses
U-values:Walls 0,11 W/m2 K (350 mm) Floors 0,10 W/m2 K (270 mm)Roofs 0,08 / 0,10 W/m2 K (450 mm / 360 mm)
The energy performance certificate should be issued almost for every building� more info : www.epbd.lv
Energy Performance of Building Directive (EPBD)
� Reduce buildings heating energy� Make the Passive House our
standard choice (mandatory in new UK buildings from 2013)
� Always make building renovations energy efficient
Key recommendations
� Make public buildings energy efficient role models
� Strengthen energy saving requirements in buildings
� Promote savings and provide up-front financing
Lets create the better future!