December 21, 2021
The underground air heat pump air conditioning, which consists of a tube fin multistage transducer and an air conditioner, and a tube fin multistage transducer with tubes connected to the condenser and condensate pump of the main engine, respectively, the tube-fin type multi-stage energy exchange device has the inlet close to the hole of the underground air source, extracts the heat energy in the underground air, alternately uses the cold energy and the heat energy in summer and winter to carry on the refrigeration and the heating, saves the electric energy, and the utility model has simple structure, the manufacture cost is low, the maintenance is convenient.