Transforming the old factory building into an exhibition hall,the energy-saving measures and central air-conditioning program was designed.After the completion of the project,the operation of the air-conditioning system was tested in the typical summer climate,the results showed that the radiant cooling system based on ground source heat pump had a good cooling effect,the indoor temperature of staff working area was kept at 26~28 ℃,the system's coefficient of performance reached 4.31,by comparison with the ...