This data is the CAD construction drawing of ground source heat pump HVAC design, including: the first floor air conditioning and ventilation plan, the second floor air conditioning and ventilation plan, the first floor water supply and radiator layout plan, the second floor water supply plan, the first and second floor drainage plan, the air-conditioning system schematic diagram/hot water system schematic diagram, the swimming pool and machine room piping layout, the machine room section, Plan diagram of ground coupling pipe network, etc