This session focuses on how retrofit solutions can enhance energy performance and contribute to decarbonization goals across existing buildings. Featuring insights from industry leaders, the discussion examines how retrofit can be progressed across different building portfolios, supported by green financing strategies in a pragmatic and scalable way.
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Dr. Martin Zhu
Co-Founder and CEO
i2Cool Trade Development Co. Limited
i2Cool Trade Development Co. Limited
Co-Founder and CEO
Prof. Martin Zhu is Co-Founder and CEO of i2Cool, whose electricity-free radiative cooling technology offers a retrofit pathway for existing buildings to cut energy demand without major structural upgrades.
He earned his PhD in Energy and Environment from the City University of Hong Kong (CityUHK) under the supervision of Ir Prof. Edwin Chi-Yan Tso, and now serves as Adjunct Professor in the University’s College of Business. He also sits on the HKSAR Government’s Green Technology and Finance Development Committee, and was named to Forbes China’s 30 Under 30 and the Hurun U30 China Entrepreneurship Pioneers list.
Co-founding i2Cool with Prof. Tso, Prof. Zhu has taken passive radiative cooling from lab research to commercial deployment across 30+ countries and regions, completing 500+ projects and saving over 15 million kWh of electricity to date.
My Sustainability Goal for 2026:
“From façades to fabrics — rethinking how the world stays cool, one surface at a time.”
The HKGBC strives to promote the standard and development of sustainable buildings in HK by engaging the government, the industry and the public. It also aims to develop practical solutions for Hong Kong’s unique, subtropical built environment of high-rise, high density urban area, leading HK to achieve carbon neutrality by 2050 and to become a world’s exemplar of green building development.
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