i²Cool aims to promote a novel energy-free and environmentally friendly passive radiative cooling paint to save energy and assist in decarbonisation. The Paint^TM features superior sunlight reflectance and thermal emittance, bringing out its outstanding all-day sub-ambient cooling capability and energy-saving potential. We are dedicated to delivering our self-developed and high-performance Paint^TM to industries and society by collaborating with different parties and organisations in building, energy and paint industries. Our ultimate goal is to have a remarkable environmental and social impact, by mitigating the energy shortage and climate change, while facilitating the overall sustainable development and economic growth in Hong Kong.