sustainability geothermal solar hydronic thermal mass...

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

AHK

Sustainability

Geothermal

Solar Hydronic

Thermal Mass

Insulation


House H 36, Stuttgart, Architekt: Matthias Bauer

45 cm of Solid Concrete Structure with integrationof Aerated Glass Aggregate

AHK

“2226” , Lauterach, Austria, Architekt: Baumschlager Eberle

76 cm Perforated Clay Brick. without Heating or Cooling

Sustainability

Geothermal

Solar Hydronic

Thermal Mass

Insulation


AHK

International Passive House Institute

Geothermal

Solar Hydronic

Thermal Mass

Insulation


Insulation Requirements


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

AHK

Sustainability

Geothermal

Solar Hydronic

Thermal Mass

Insulation


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

AHK

Insulation and Conductivity

Geothermal

Solar Hydronic

Thermal Mass

Insulation


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

AHK

R 7 - R 10 Windows

Geothermal

Solar Hydronic

Thermal Mass

Insulation


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

AHK

Project W-1

Geothermal

Solar Hydronic

Thermal Mass

Insulation


External Mineral Wool Insulation

Layered Wood ConstructionThermal Bridge Free

R 7 Windows / DoorsThermal Bridge Free

Thermal SeparationSchoeck Isomur

AAC Concrete Block

AHK

Project W-1

West Elevation Entry and Solar Collection Skylight Inside View Studio Layout

AHK

Project W-1

Geothermal

West Elevation Entry and Solar Collection Skylight Inside Garage and Charging Station

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

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

AHK

Air Quality

Geothermal

Solar Hydronic

Thermal Mass

Insulation


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.

AHK

Project C-4

Geothermal

Solar Hydronic

Thermal Mass

Insulation


Multiple passive and active solar features, green roof, grey and rain water, geothermal, water and air heat exchangers

AHK

Mentors

Geothermal

Solar Hydronic

Thermal Mass

Insulation


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

sustainability geothermal solar hydronic thermal mass...

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