
Mitsubishi Heavy Industries always studies and develops the products from users' viewpoint, acquired ISO 9001 certificate, and provides highly qualified comfort to all users, such as "Beaver Air-Conditioners" for household use, which provide comfort to residential houses where people need relax and vitality, "Saison Air-Conditioners" for business use, which are absolutely necessary for offices and public places, regional air conditioning systems for air conditioning environment systems in metropolitan cities, and refrigeration equipment for land and marine transportation, which support the logistic systems.
![]() |
Air-conditioning & Refrigeration Systems Headquarters is a plant accredited for ISO (International Organization for Standardization) 9001 quality management system. |
| Certificate number: JQA-0709 Date of certification: December 16,1994 |

We think that the mission of the company having grave responsibility is to produce products comfortable for human and to contribute to the preservation of this beautiful global environment. The energy problem is one of main subjects. We always strive to study by taking our subject best mixing of nature and conformability, into consideration. We lead the industry by the highly efficient inverter control fields, and promote all the necessary activities to preserve the environment, such as acquisition of ISO 14001 certificate.
![]() |
Air-conditioning & Refrigeration Systems Headquarters is a plant accredited for ISO (International Organization for Standardization) 14001 environmental management system. |
| Certificate number: JQA-EM0256 Date of certification: November 20,1998 |
All Rights Reserved, Copyright (C) 2006, MITSUBISHI HEAVY INDUSTRIES,LTD.