Royal inverter Air conditioners come with iAuto to give you 15% faster cooling comfort with just one touch of a button. Stylish and contemporary with Blue Fin Condenser The condenser fins are specially blue-coated to enhance its durability. These specially coated layers serve as protection against corrosion from air, water and other corrosive. Reliability Our R&D focuses on ease of use, and our history of rigorous quality control is unmatched in the industry. As a result, with more than 50 years of experience, Royal has sold over 70 million air conditioner units in Japan and around the world. Operating Test in Harsh Conditions The operating noise of the indoor and outdoor units is measured in a high-performance anechoic chamber. The noise test verifies that the operating noise is low enough to allow the user to talk and sleep comfortably while the product is operating. Environmental Test An air conditioner is operated in a test room simulating a living room testing cooling speed, cooling efficiency, and temperature and humidity differences throughout the room. Noise Test The operating noise of the indoor and outdoor units is measured in a high-performance anechoic chamber. The noise test verifies that the operating noise is low enough to allow the user to talk and sleep comfortably while the product is operating.