Tianjing floating LNG terminal is the first floating LNG project among the first batch of major energy security projects approved by the National Energy Administration for prevention of air pollution in capital region. It is closely related to the energy structure adjustment and environmental quality improvement of the country. Our geothermal heat pump system designed for the project not only takes energy saving, environmental protection and comfortable sensation into consideration, but also supplies both heating and cooling for administrative buildings and complex buildings. This system covers an area of 14,994.86 square meters.