... depend on the clients need. 2. advantages: 1).no freezing medium,no harm to environmental 2).saving energy. in average,1 ... majority of the places 1) room, like office, living room, hall 2)public place, like hospital,shool,waiting room,bus station, entertainment ... place and so on 3) almost all the factory, like garment factory, leater factory and so on 5.Machine pictures Home Appliance ...