Hi friends, I have 1 ton hitachi window ac in my bedroom, its window ac bt still it is very silent , its not noisy , the looks of the grill is superb and rich , it cools my room within 12 to 15 mins , I think if u want a good quality product and you dont want to spend much ruppes than hitachi is your choice , after sale service is also very nice , every time after I bought this product , hitachi guys called me up for service and they have done good job in servicing , and there are no other maintnace or I hav not got any issue or not got any complaints for damage parts or anything , its working proper since 1 and half year and I am happy to purchase this product