Post on 15-Oct-2020
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Summer Study 25th of February 2015 Dr Andreas Luzzi, CEO LAROS
About the
‘good old days’
when we had …
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Healthy Buildings (1960ies) ...
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
... and Cheap Energy .
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Oil Crises (1973 & 1979) ...
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
... Better (but unhealthy) Buildings .
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Summer Study 25th of February 2015 Dr Andreas Luzzi, CEO LAROS
Passivhaus … the voluntary code for
2000-Watt Society
Buildings
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Observations ...
One outstanding building in a row of real estate …
… retrofitted to perform like an ‘architectural esky’
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Typical Facade Designs ... Australia
Melbourne (2014)
Sydney (2013)
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
BCA-Compliance ... no worries, but ...
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
... A (building performance) & Health Issue
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Novel Toolbox for Architects
health performance comfort
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
1) ... Seriously Airtight
Challenge : Airsealing to n50
Dynamic moisture management using smart building membrane
Solution : Membranes & tapes
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Importance of Airtightness Insulation Performance (thermal)
1m 14 cm
1m
without gap: R-Value 3.3 W/m2K
experimental conditions inside temperature +20°C outside temperature -10°C Pressure difference 20 Pa = wind force 2-3 Measurement: Institute of building physics, Stuttgart Source: DBZ Dec-1989, page 1639ff
with 1mm gap: R-Value 0.7 W/m2K
Performance down by 4.8 !
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Importance of Airtightness Insulation Performance (moisture)
1m 14 cm
1m
without gap: 0.5 g-water / m2 x 24h
experimental conditions inside temperature +20°C outside temperature -10°C Pressure difference 20 Pa = wind force 2-3 Measurement: Institute of building physics, Stuttgart Source: DBZ Dec-1989, page 1639ff
with 1mm gap: 800 g-water / m2 x 24h
Moisture escape up 1’600 fold !
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
2) ... Seamless Insulation
Solution : Schöck Isokorb
: Challenge Thermal bridge
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
3) ... External Shading
Solutions : Awnings & blinds
Challenge : Solar (heat) gain (control)
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
4) ... Comfort Ventilation
Challenges : Fresh-air supply, CO2, temp. & rel. humidity man‘g‘t
Solution : Air2air energy recovery ventilation with integrated HVAC
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Source: Harley Truong, H3Space
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Source: Harley Truong, H3Space
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Typical all-electric Passivhaus running on a 2-kWp solar PV system
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
Building with Wood – Smartly
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
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Dr Andreas Luzzi, Summer Study, Manly, 25-Feb-16
f-prefab timber carbon-neutral autark (e & w) „eco“ - for life