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AHK
Canadian German Conference on Renewable Energies in Buildings May 29, 2015
Mark Tholen Assistant Professor, OCAD University, Toronto
Sustainability
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
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AHK
Sustainability
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
House H 36, Stuttgart, Architekt: Matthias Bauer
45 cm of Solid Concrete Structure with integrationof Aerated Glass Aggregate
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AHK
“2226” , Lauterach, Austria, Architekt: Baumschlager Eberle
76 cm Perforated Clay Brick. without Heating or Cooling
Sustainability
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
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AHK
International Passive House Institute
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
Insulation Requirements
International Passive House Standard
Design Parameters for achieving Passive House Stand ard
Building Envelope: U ≤ 0.15 W/(m²K), thermal bridge-free
Triple-glazing: Ug ≤ 0.8 W/(m²K), g-value (SHGC glass) > 50%
Mechanical Ventilation: Ventilation with ≥ 75% heat recovery over total system
Main Criteria for Passive House Certification
Space Heat Demand: max. 15 kWh/m²a OR Heating load max. 10 W/m²
Pressurization Test Result: max. 0.6 ACH @ 50 Pa (Air Tighness)
Total Primary Energy Demand: max. 120 kWh/m²a
www.pasivehouse.ca
International Passive House Institute Darmstadt, Germany
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AHK
Sustainability
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
Combination of Thermal Mass and InsulationBenefit of Humidity and Thermal Balance
Perforated Clay Brick Options with AirMineral Wool or Foam Insulation
Poroton
Unipor
Wienerberger
Y-Tong
Hebel
Aerated Autoclaved Concrete Block
Cross Laminated Timer CLT
λ (Lambda) 0.1 W/mK λ (Lambda) 0.1 W/mK
λ (Lambda) 0.13 – 0.15 W/mK
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AHK
Insulation and Conductivity
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
Insulation and other Building MaterialsThermal Conductivity
International Passive House Institute Darmstadt, Germany
Thermal Conductivity
λ (Lambda) Values
Sheep Wool / Felt 0.04 W/mK
AAC and PCB 0.1 W/mK
Wood 0.15 W/mKSolid Brick 0.4 W/mK.Steel 60 W/mKAluminium 200 W/mKCopper 380 W/mK
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AHK
R 7 - R 10 Windows
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
Triple Glass with Thermally Disconnected FramesImportance on Airtight Installation
Windows with minimum R value of 7 or U value of 0.8Cross Linked Lexan Panels
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AHK
Project W-1
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
External Mineral Wool Insulation
Layered Wood ConstructionThermal Bridge Free
R 7 Windows / DoorsThermal Bridge Free
Thermal SeparationSchoeck Isomur
AAC Concrete Block
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AHK
Project W-1
West Elevation Entry and Solar Collection Skylight Inside View Studio Layout
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AHK
Project W-1
Geothermal
West Elevation Entry and Solar Collection Skylight Inside Garage and Charging Station
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AHK
Project W-1Energy Concepts
Geothermal
Low Cost Prototype without internal Heat Exchanger
Solar Hydronic Direct Heat
Geothermal Cooling and Heating
In Floor PEX Heating and Cooling of Concrete Floor
Photovoltaic Power Production and Shading for Hydronic
Heat Dump at Exterior for Excessive Heat
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AHK
Project W-1Energy Concepts
Low Cost Prototype without internal Heat Exchanger
Solar Hydronic Direct Heat
Geothermal Cooling and Heating
In Floor PEX Heating and Cooling of Concrete Floor
Photovoltaic Power Production and Shading for Hydronic
Heat Dump at Exterior for Excessive Heat
+80° C
+5° to +12° C
+18° to
+24° C
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AHK
Air Quality
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
Traditional Mongolian Felt Yurt
Air Exchange
Sufficient + Not excessive to reduce the efficiency of the System
Nature: Learning form Nature – HRV ERV There will be a test wall in the small building that will assume the breathability of the structure
This wall is made from 30 to 40 cm thick Felt. Mongolian building technique of traditional yurts. Backup will be a Lunos ceramic ERV
Fur 12V Wall Mounted Ceramic ERV Fan IDS 2012 18 Km Felt Strips
Allowing Moisture and Temperature
to be controlled in the incoming air.
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AHK
Project C-4
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
Multiple passive and active solar features, green roof, grey and rain water, geothermal, water and air heat exchangers
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AHK
Mentors
Geothermal
Solar Hydronic
Thermal Mass
Insulation
International Passive House Standard
Efficiency House Plus with Electromobility
Steve Bear 1980, Active Solar House Werner Sobek 2011, Efficiency Plus House F78
Desert of Arizona Active Solar House. Movable Reflective Walls
allowing the Sun heat up Water in Oil drums