I bought this ac last year of Rs app 42000.00 this is working properly having no complaints. this ac has the features of auto climate technology, auto fan speed and auto humid control, power save mode etc and having many more functions like on or off timer, my mode, filter clean indicator, anti bacterial and fungal filter. I like it. I purchased it because in my friends house there are three HItachi ACs working properly and he has no complaints from them. The service is also very good as I have called this year for service of AC. the one thing is that the wiring is of copper in ac. which provide better durability than Aluminium wirings. As per the specifications mentioned its EER is 11.79, air circulation high 477(CFM), Noise level indoor is 36