Mitsubishi Heavy Industries Air-conditioners Australia Pty Ltd (MHIAA) is a major supplier of commercial and residential air conditioning products in Australia. MHIAA is a wholly owned subsidiary of Mitsubishi Heavy Industries, Ltd, a large and diverse organisation that has many divisions such as ship building, power plant, general machinery, aerospace and of course air conditioning. Here in Australia we enjoy a reputation for supplying a comprehensive range of technically advanced energy efficient air conditioning systems. We have sales offices in Sydney, Melbourne, Brisbane, Townsville, Perth to service our growing dealer and retail sales routes. We look forward to continue our expansion into the Australian and South Pacific region.