The official launch of China's first community seawater-source air conditioning project took place in Tangdao Bay, within the Qingdao Economic and Technological Development Zone. This milestone marks a significant breakthrough in the country's civil seawater air conditioning initiatives and highlights Qingdao's leadership in the scientific utilization of marine resources.
The nation's first such project was completed in the Millennium Dragon Garden residential area in the Qingdao Development Zone. With a total investment of 20 million yuan and covering 65,000 square meters of construction area, it is set to become the largest residential seawater air conditioning project in the country. Currently, the first phase—covering 7,000 square meters for community clubs and kindergartens—has already been equipped with seawater air conditioning for heating.
According to representatives from Qingdao Ever Source Technology Co., the company behind the project, the seawater air conditioning system works by extracting energy from seawater through heat transfer equipment. The extracted energy is then upgraded via a heat pump unit to reach the desired temperature before being released into the building through an energy distribution system. This process effectively provides both heating and cooling, making it highly efficient and environmentally friendly.
Experts from the Qingdao Development and Reform Bureau have analyzed the benefits of the seawater air conditioning system. They noted that for every 1 kWh of electricity consumed, the system can generate 5.6 kW of cooling capacity and 4 kW of heating power. Compared to traditional air conditioning systems, this technology can save between 40% and 50% in energy consumption. Investors estimate that once fully operational, the project will not only reduce heating costs compared to conventional thermal power plants but also provide residents with consistent indoor temperatures and hot water throughout the year.
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