SAMSUNG is one of the best leading brand in airconditioners, samsung AR12HC5ELZ is the good ac it takes a little bit space to get attach on the wall, about service and support is very for servicing we have pay extra service charges. Hence they are many service centers in every city of the whole world, the service is very quick . Coming to the point about cooling is very high and it has automatic cooling temperature options, the sound is also a little bit quiet and its less noisy about my experience with this air conditioner im using this one since from one year, I got good satisfaction with this airconditioner, coming to the price of this air conditioner is expensive and the quality is aweome. use it and have a experience .