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ENERGY STRATEGY FOR APPARTMENT BUILDING

ENERGY STRATEGY FOR APPARTMENT BUILDING. Birgit Danzer, Sebastian Haselsteiner & Therese Schwarz. Overview. Energy strategy for an apartment building – practical example in Graz Passive house standard and the main characteristics Europe’s largest passive-house estate. The Building.

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ENERGY STRATEGY FOR APPARTMENT BUILDING

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  1. ENERGY STRATEGY FOR APPARTMENT BUILDING Birgit Danzer, Sebastian Haselsteiner & Therese Schwarz

  2. Overview • Energy strategy for an apartment building – practical example in Graz • Passive house standard and the main characteristics • Europe’s largest passive-house estate

  3. The Building

  4. Energyperformanceofthebuildingbeforeand after renovation

  5. Different operatingfigures • HWB – specific heating demand: Before: 235,61 kWh/m²a After: 46,75 kWh/m²a • U-value – heat transfer coefficient: Before:1,86 W/m²K After: 0,40 W/m²K

  6. Different operatingfigures

  7. Different operatingfigures

  8. Different operatingfigures

  9. passive house standard I • good concept to save energy • annual heating requirement that is less than 15 kWh/(m²a) • not necessary to use any active energy for heating or cooling systems • combined primary energy consumption of living area of a European passive house may not exceed 120 kWh/(m²a) for heat, hot water and household electricity

  10. passive house standard II

  11. passive house standard III

  12. Europe’s largest passive-house estate “The project in the Lodenareal neighbourhood is a decisive key-project for energy-efficient building in Europe” (University Professor Dr. Fest, Developer of the passive house) Source: Neue Heimat Tirol, 2009

  13. Europe’s largest passive-house estate • Located in Innsbruck • 354 apartments & 405 basement parking lots • Minimize energy costs for tenants • Heating demand below 10 kWh/m² • Energy demand only 20 % of average

  14. Europe’s largest passive-house estate • 680 tons CO2 reduction/year • Regional pellets • Solar energy • Ground-water heat • Energy efficient components Source: Neue Heimat Tirol, 2009

  15. Europe’s largest passive-house estate Video Source: Neue Heimat Tirol, 2009

  16. Thank you for your attention!

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