TOKYO–(BUSINESS WIRE)–Mitsubishi Heavy Industries, Ltd. (MHI)(TOKYO:7011) has developed two new series of wall-mounted room air-conditioners for the European market, with production and marketing to commence in October. The new series, the top-of-the-line ZSX Series and the premium ZS Series, comprise of 9 models in total. In addition to their sophisticated air-conditioning functions and energy-saving performance, both series feature a unique design to blend in beautifully with any interior d