Mitsubishi Electric’s Net Zero Energy Building Test Facility “SUSTIE” is Asian Regional Winner in ASHRAE Technology Awards Program

TOKYO--(BUSINESS WIRE)--Mitsubishi Electric Corporation, Mitsubishi Jisho Design Inc. and Waseda University jointly announced today that Mitsubishi Electric’s Net Zero Energy Building Test Facility “SUSTIE,” located in Kamakura, Kanagawa prefecture, was selected as Regional Winner (Regional Level Technology Awards 2025-2026 Regional Winner) in the Commercial Buildings (new) category of the ASHRAE^® Technology Awards program. Organized by the Asian Region (ASHRAE Region XIII) of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), the program is one of the world’s biggest technology award initiatives focusing on environmentally friendly building design.

ASHRAE Technology Awards, one of the world’s biggest technology awards program for environmentally friendly buildings
The ASHRAE Technology Awards program, held annually since 1999, is one of the world’s biggest such programs, recognizing innovative environmentally-friendly buildings for their occupant comfort, indoor air quality and energy conservation, with evaluations based on the building’s verifiable operating data. In the Asian region selection, SUSTIE was the Regional Winner in the New Commercial Buildings category at the ASHRAE Region XIII Chapters Regional Conference. This award will ensure SUSTIE is reviewed by ASHRAE as a representative project of the Asian region in the worldwide selection process. Mitsubishi Electric, Mitsubishi Jisho Design and Waseda University will continue in their efforts to realize “the World’s Most Environmentally Friendly Building.”

ASHRAE: American Society of Heating, Refrigerating and Air-Conditioning Engineers (based in Atlanta, US) was established in 1894, and is the largest international body focusing on air conditioning. It has more than 50,000 members across more than 130 nations.

For the full text, please visit: www.MitsubishiElectric.com/news/