During use of air conditioning products, many surveys on product quality and performance to give a great deal of recognition. Many indicator of the effect of the use of air conditioning, investigators for air conditioning cooling and heating effect, the attention of the health function, respectively, 38.1%, 28%. It can be seen, the demand for air conditioning at this stage still remains at the most fundamental functions of cooling and heating, and healthy function, along with the improvement of people's living standard, but also more and more consumers value.
    Consumers in the use of air conditioning, but also encountered many problems in air solar powered indoor lights performance, excessive noise, large power accounted for 38.4%, 25% the proportion of a troubled at this stage people the use of air conditioning problems.
    These two indicators is closely related with people's lives, on the issue of power consumption, the relevant mandatory standards have been promulgated, basically put an end to production and sales of energy-efficient air conditioning. Noise problem at this stage a number of corporate R & D direction and the actual needs of users still exists a gap caused by the noise chinese solar water heater has been not the fundamental solution.