Filter-free annual-operating air conditioning device and air conditioning method

The invention relates to the field of heating ventilation air conditioning and the energy-saving technology, and provides a filter-free annual-operating air conditioning device and an air conditioning method. The air conditioning device comprises an outdoor cooling device and an indoor air processing device, wherein the outdoor cooling device comprises a cooling device shell and an outdoor heat exchanging device; the cooling device shell is provided with an air inlet end and an air outlet end; the outdoor heat exchanging device is mounted in the cooling device shell. The air conditioning device is reasonable and compact in structure and convenient to use; by combination of the outdoor cooling device and the indoor air processing device, the indoor air processing device is adopted to process indoor air in summer, and the cold quantity of outdoor air is transferred indoors in winter, so that the problem of difficult air filtration is solved, and the solution of a ventilation and air conditioning system under the annual climatic condition is realized; the air conditioning device can be annually operated to process indoor air in regions under the arbitrary climatic condition, is relatively wide in application range and application fields, and has the characteristics of being safe, simple, convenient, environment-friendly and high-efficient.