Hitachi is a good brand for many things and its very effective when it comes to cooling because it cools the rooms very fast and it had twin turbo technology which increases the heat exchange at high temperature and throw air in both directions and its overall air flow leading to higher efficiency even at low noise levels and it has a marvelous reputation on things like changing temperature summer QC, TM, air blowers, reliable, BEE star rating and independent fan motors to produce fast cool air and makes us all happy during summer or relax time and good support and service at all times.