This is one of the quietest ACs .... great for a small room or an office cabin.... cools very fast... good for the price..... easy to clean the filter...... low consumption of electricity.....
good service... no maintainance required .... only periodical cleaning of filter required which you can do yourself.... the one tonne AC is the best in its class.... Hitachi’s rotary compressor is good....... cooling time 2-4 minutes..... which is sufficient for a small room...... the room gets really cold in about half an hour.....
After comparing with other brands like Voltas and carrier...... very quiet ..... voltas rattles away..... Carrier is not as quiet as hitachi... At present Hitachi uses an imported Korean Compressor which works great..... lower consumption of ecectricity than others in its class