Green Indoor Climate Projects in Japan -  Creating Value for Real Estate TBLI „Green Real Estate“ Workshop TBLI Conference...
Contents <ul><li>Introduction </li></ul><ul><li>Indoor Climate and Real Estate (i.e. Office) </li></ul><ul><li>Comfort and...
Indoor Climate and Real Estate Value to Real Estate (i.e. office) Indoor Climate Comfort Increased  Work Performance Air Q...
Comfort and Productivity „ Some calculations show that the estimated cost (productivity, health) of poor indoor environmen...
Comfort and Productivity Seppänen et al. 2005 Temperature/Performance TBLI Green Real Estate Work Shop 2010/05/27
Comfort and Productivity Seppänen and Fisk 2005 Ventilation/Performance TBLI Green Real Estate Work Shop 2010/05/27
Air Quality and Health Fisk et al. 2003 Ventilation/Sick Leave TBLI Green Real Estate Work Shop 2010/05/27
An alternative Approach TBLI Green Real Estate Work Shop 2010/05/27 Air Quality & Efficiency
The System <ul><li>HR-C </li></ul><ul><li>Heatpumps </li></ul><ul><li>Architecture/ Shadowing </li></ul><ul><li>Natural  V...
Economic Relevance TBLI Green Real Estate Work Shop 2010/05/27 <ul><li>In an average office building,  Energy Costs repres...
Case Study -  Bank Building, Tokyo Cost Analysis of Indoor Climate Installations <ul><li>New bank building in Tokyo, 5 lev...
<ul><li>90 year old building in Kumamoto (Kyushu)  </li></ul><ul><li>Massive 1920s-construction with smart architecture an...
Case Targets <ul><li>Comfort Target : Overcoming the humid and hot summer of Kyushu Island while providing soft heat in wi...
Energy Results TBLI Green Real Estate Work Shop 2010/05/27 Period Heating MAX kW Cooling MAX kW Consumption Joule per Year...
Project Results <ul><li>Meeting  Comfort, Quality and Efficiency  targets </li></ul><ul><li>A sustainable Renovation , sym...
ARIGATO GOZAIMASHITA! Looking forward to discussions at the reception Green Indoor Climate Projects in Japan  - Presentati...
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Green Indoor Climate Projects in Japan - Overcoming Regional Climatic Variety and Project Complexity

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Takehisa Hirayama, Chief Executive Officer - PS Company, Ltd. - Japan

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Green Indoor Climate Projects in Japan - Overcoming Regional Climatic Variety and Project Complexity

  1. 1. Green Indoor Climate Projects in Japan - Creating Value for Real Estate TBLI „Green Real Estate“ Workshop TBLI Conference Asia 2010 27th of May, 2010
  2. 2. Contents <ul><li>Introduction </li></ul><ul><li>Indoor Climate and Real Estate (i.e. Office) </li></ul><ul><li>Comfort and Productivity, Air Quality and Health </li></ul><ul><li>An alternative Approach </li></ul><ul><li>Economics – Case Study Bank Building in Tokyo </li></ul><ul><li>Ecology – Case Study Orangerie Kumamoto </li></ul>TBLI Green Real Estate Work Shop 2010/05/27
  3. 3. Indoor Climate and Real Estate Value to Real Estate (i.e. office) Indoor Climate Comfort Increased Work Performance Air Quality Reduced Sick Leave Ressource Efficiency Reduced Costs/Emissions TBLI Green Real Estate Work Shop 2010/05/27
  4. 4. Comfort and Productivity „ Some calculations show that the estimated cost (productivity, health) of poor indoor environment is higher than energy costs of heating and ventilation of the same building ... Olli Seppänen 2005 Professor at Helsinki University of Technology, Finland President of Federation of European Heating and Air-conditioning Associations TBLI Green Real Estate Work Shop 2010/05/27
  5. 5. Comfort and Productivity Seppänen et al. 2005 Temperature/Performance TBLI Green Real Estate Work Shop 2010/05/27
  6. 6. Comfort and Productivity Seppänen and Fisk 2005 Ventilation/Performance TBLI Green Real Estate Work Shop 2010/05/27
  7. 7. Air Quality and Health Fisk et al. 2003 Ventilation/Sick Leave TBLI Green Real Estate Work Shop 2010/05/27
  8. 8. An alternative Approach TBLI Green Real Estate Work Shop 2010/05/27 Air Quality & Efficiency
  9. 9. The System <ul><li>HR-C </li></ul><ul><li>Heatpumps </li></ul><ul><li>Architecture/ Shadowing </li></ul><ul><li>Natural Ventilation </li></ul>TBLI Green Real Estate Work Shop 2010/05/27
  10. 10. Economic Relevance TBLI Green Real Estate Work Shop 2010/05/27 <ul><li>In an average office building, Energy Costs represent about 19% of the Total Costs . </li></ul><ul><li>Heating and Cooling account for approx. 48% of the Energy Costs </li></ul><ul><li>The Relevance of Heating and Cooling to the overall running Costs (Office) can be calculated 0.19 x 0.48 = approx. 9% </li></ul>E Source LLC 2006 9% of the overall running costs
  11. 11. Case Study - Bank Building, Tokyo Cost Analysis of Indoor Climate Installations <ul><li>New bank building in Tokyo, 5 levels, approx. 2000 sqm, </li></ul><ul><li>30 year horizon </li></ul>no discount-rate, no inflation, steady energy prices Cost Type HR-C HR-C + GeoE Trad. AirCon Initial Costs ¥ 87‘000‘000 ¥ 110‘000‘000 ¥ 71‘500‘000 Annual Running Costs (x30) ¥ 3‘022‘000 ¥ 2‘541‘000 ¥ 4‘640‘000 Annual Maintenance Costs (x30) ¥ 927‘000 ¥ 927‘000 ¥ 3‘000‘000 Renewal Costs (over 30 years) ¥ 85‘200‘000 ¥ 85‘200‘000 ¥ 77‘800‘000 TOTAL COSTS ¥ 290‘670‘000 ¥ 299‘240‘000 ¥ 378‘500‘000
  12. 12. <ul><li>90 year old building in Kumamoto (Kyushu) </li></ul><ul><li>Massive 1920s-construction with smart architecture and alignment - an opportunity for a PS-demonstration </li></ul><ul><li>Sustainable renovation in 1998 – cutting-edge in Japan </li></ul>Case Study – Office, Kumamoto TBLI Green Real Estate Work Shop 2010/05/27
  13. 13. Case Targets <ul><li>Comfort Target : Overcoming the humid and hot summer of Kyushu Island while providing soft heat in winter </li></ul><ul><li>Sustainability/Quality Target : Highest quality and sustainability to maintain the 90 years old building structures and create a high quality indoor climate </li></ul><ul><li>Energy Target : High resource efficiency while fulfilling the quality and comfort Targets </li></ul>TBLI Green Real Estate Work Shop 2010/05/27
  14. 14. Energy Results TBLI Green Real Estate Work Shop 2010/05/27 Period Heating MAX kW Cooling MAX kW Consumption Joule per Year Before Rennovation 72.0 kW 65.0 kW 1672 MJ After Rennovation 18.0 kW 26.1 kW 416 MJ Percentage After/Before 24% 40% 25%
  15. 15. Project Results <ul><li>Meeting Comfort, Quality and Efficiency targets </li></ul><ul><li>A sustainable Renovation , symbolic for a new age of Japanese construction </li></ul><ul><li>A monumental project, demonstrating and adding Value to it‘s environment </li></ul>TBLI Green Real Estate Work Shop 2010/05/27
  16. 16. ARIGATO GOZAIMASHITA! Looking forward to discussions at the reception Green Indoor Climate Projects in Japan - Presentation TBLI „Green Real Estate“ Workshop TBLI Conference Asia 2010 Date: 27th of May 2010 Speaker: Takehisa Hirayama, CEO PS Group Ltd. Slides: Roman Zimmermann, Assistant PS Group Ltd.

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