Born out of breakthrough research at the City University of Hong Kong, i2Cool is redefining the future of sustainable cooling. Founded by leading professors and young scientists from the School of Energy and Environment, the company transforms cutting-edge science—featured in top journals like Science—into real-world solutions. Its core technology, based on passive radiative cooling, enables electricity-free temperature reduction of up to 42°C using advanced nanomaterials.
From rooftops to textiles and automotive surfaces, i2Cool's coatings and films are already making an impact in nearly 30 countries. With a growing portfolio of zero-energy cooling products, i2Cool is helping cities, industries, and communities around the world move toward a cooler, greener, and carbon-neutral future.
