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In the face of persistent rainy weather, traditional solar energy systems struggle to provide reliable heating and hot water for daily use. However, a groundbreaking innovation in solar energy technology—**the solar heterogeneous thermal utilization system**—has been successfully implemented by **Huzhou Persimmon Electric Co., Ltd.** This revolutionary system was recognized as a key project under the **National Science and Technology Plan** by the Ministry of Housing and Urban-Rural Development of the People's Republic of China in 2012. Recently, it passed rigorous expert reviews and project acceptance, marking a major milestone in renewable energy development.
Experts have praised the integration of this system with real-world applications, emphasizing its potential to enhance the synergy between solar facilities and buildings, while driving industrial upgrades in solar thermal systems. The project’s results are not only advanced but also practical and reliable. Through multiple field applications, the system has demonstrated excellent performance, meeting all expected objectives. It has significantly expanded the range of solar hot water technologies in China, offering broad development potential and reaching international standards.
At Wuxingke Creation Park, Yu Min, Department Manager of Huzhou Wuxing District Science and Technology Development Co., Ltd., led us to their **talent apartment**, where we noticed unique blackboards installed on the building. Yu explained that these were part of the **solar heterogeneous heat utilization system**. Inside the cold environment, the thermometer showed that the water in the solar tank was around 55°C. When a reporter turned on the bathroom faucet, warm water immediately flowed out, filling the room with steam—a clear demonstration of the system’s efficiency.
Liu Ling, Sales Manager at Huzhou Persimmon Electric Co., Ltd., explained: “The blackboard outside is the core component that enables the system to heat water efficiently. Our **solar heterogeneous thermal utilization system** is an independently developed energy polymerization system. Its unique mechanism creates a negative energy field and in-coupling evaporation process, generating strong negative pressure and accumulation effects during heat absorption. This minimizes heat loss, allowing the system to fully capture and utilize solar energy, as well as other environmental energies such as wind, rain, and air heat. The complementary amplification effect overcomes limitations of traditional solar water heaters, enabling continuous hot water and heating even during rainy days, nights, or winter. As a result, the system ensures efficient thermal energy use year-round, regardless of weather conditions, providing hot water, heating, and even cooling services.â€
This technology has introduced a new, highly efficient, safe, and convenient approach to solar energy use in China, achieving a significant breakthrough in solar thermal utilization. According to the **Zhejiang Provincial Institute of Science and Technology Information Research**, this is the first of its kind in China. The company has secured over 20 national patents, showcasing its leadership in green energy innovation.