Under the "double carbon" strategy, the traditional high energy consumption refrigeration is facing challenges, and the passive radiation refrigeration technology without electricity ushers in policy opportunities. Internationally, UNEP and the world bank have vigorously promoted such natural cold source technologies to mitigate power load and climate risks. China's "14th five year plan for energy conservation and emission reduction" and the new regulations of the Ministry of housing and urban rural development clearly support natural cold sources and passive structures, and give weight in the evaluation of green buildings. From the global consensus to the implementation of domestic standards, this technology has become the key path of building energy efficiency and green development, and is accelerating from concept to large-scale application, helping to achieve the low-carbon goal.

Pilot Program FIRST: Focusing on Global Climate and Resource Challenges

In the first round of applications for the United Nations Decade of Science for Sustainable Development (2024-2033) (IDSSD), only 30 programs worldwide have been officially recognized by UNESCO. The selection results were officially announced on May 7th at the 10th United Nations Multi stakeholder Forum on Science, Technology and Innovation for Sustainable Development Goals. The Pilot Program (FIRST, full name Foster Innovation for Resilience and Sustainable Transformation) has been successfully selected. The Pilot Program (FIRST) will focus on global challenges such as rising temperatures, loss of biodiversity, unequal energy distribution, and water scarcity. It aims to enhance the overall resilience of the environment and society through affordable and scalable innovative technologies, with a particular emphasis on the response capabilities of resource constrained areas. These technologies directly align with multiple Sustainable Development Goals, including Goal 6 (clean water and sanitation), Goal 7 (affordable clean energy), Goal 11 (sustainable cities and communities), and Goal 13 (climate action).

Green revolution of building energy efficiency: passive radiation refrigeration technology, using the "atmosphere window" to cool down
Passive radiation refrigeration without electricity is an innovative technology using natural heat radiation mechanism, which can achieve continuous cooling without electricity. Its core principle is to use the high transparency of the 8-13 micron "atmospheric window" band to directly discharge the surface heat in the form of mid infrared radiation to outer space near absolute zero.
The key to overcome the limitations of traditional night condensation and realize daytime cooling is the optical structure design of materials. Modern radiation refrigeration materials are controlled by multilayer films or micro nano structures, with "selective spectral response": reflectivity in visible and near-infrared bands exceeds 95%, effectively resisting solar radiation; At the same time, the emissivity in the atmospheric window band is more than 90%, and the heat dissipation is efficient. The actual measurement shows that the technology can reduce the surface temperature of the object by 5-15 ℃, providing a stable and zero energy consumption green solution for building energy conservation, traffic cooling and energy storage management.

Welcome to join us: working together for a sustainable future

Chuangleng Technology has launched the "Electricity free Cooling Action" and its technology has been implemented in multiple vulnerable communities at home and abroad, covering an area of over 7000 square meters, helping to improve the quality of life and adaptability of climate vulnerable communities. Globally, Chuangleng Technology's electric refrigeration technology has been applied in over 380000 square meters of scenarios, covering nearly 30 countries and regions, and landing over 200 application projects.