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This session presents new Japanese HVAC technologies employed for ZEBs (Zero-Energy Buildings). The IPCC Fourth Assessment Report suggests that the construction industry has the largest potential for emission reduction; but in reality, emissions from building sector including housing have been increasing. Background in Asia is explained at the beginning of the session. We conducted a case study of an Asian office building with a new multiple split air-conditioning system by performing field measurements. A heat pump and a thermal storage system were installed in a DHC system with the aim of achieving high efficiency with minimum energy consumption and large reduction in greenhouse gas emission.

• Carbon Neutral Architecture, Action In Japan
  Hiroshi Yoshino, Ph.D., Fellow ASHRAE
  Product contains: recorded presentation, slides (PDF format), audio (mp3 format)
• Performance of K Building with Multiple Split Air-Conditioning System
  Seiichi Tabuchi
  Product contains: recorded presentation, slides (PDF format), audio (mp3 format)
• Successful Application of Heat Pumps to DHC System In Tokyo Bay Area
  Keiji Kojima
  Product contains: recorded presentation, slides (PDF format), audio (mp3 format)