An innovative eco-friendly and low-cost solution is developed to keep buildings cooler under direct sunlight while consuming zero electricity. It provides a “smart” cooling mechanism that can both enhance daytime cooling and minimize nighttime heat loss using outer space as cold source and sky as a temperature regulator.
Primary Application Area: Energy, Infrastructure, Resilience
Technology Development Status: Proven Manufacturability
Technology Readiness Level: TRL 6
Vetted Programs/Awards: Recommended by “Science” in its “Editor’s Choice” as “A smart radiative cooler”.
Organization Type: Academic/Gov Lab
GOVT/EXTERNAL FUNDING SOURCES
External Funding to Date: The solution was developed through a project supported by “Environmental Conservation Fund of Hong Kong SAR. Currently, the project team is applying for “Hong Kong Green Technology Fund” and “Research Impact Fund” to further develop the solution.