Mitsubishi Heavy Industries Air-Conditioning & Refrigeration Corporation
A Japanese Mitsubishi Heavy Industries group company that sells, installs, services, and engineers air-conditioning, heating, refrigeration, and related building and industrial systems.
Last updated September 25, 2026
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Overview
Mitsubishi Heavy Industries Air-Conditioning & Refrigeration Corporation (MHI Air-Conditioning & Refrigeration, or Mitsubishi Juko Reinetu) is a Japanese company in the Mitsubishi Heavy Industries group. Its current corporate profile identifies its establishment date as April 1, 1976, and its headquarters as the Igarashi Building in Shibaura, Minato-ku, Tokyo. The company is wholly owned by Mitsubishi Heavy Industries Thermal Systems, Ltd. The official profile reports 1,129 employees as of April 1, 2026. The company operates across engineering, air-conditioning, and large-refrigeration businesses. Its activities encompass sales, installation, maintenance, repair, and improvement work for thermal products and facilities, along with system development, manufacturing, design, and construction. The official company profile lists a wide range of associated facilities and equipment, including refrigeration, cold storage and ice-making systems; food-processing facilities; artificial-snow and ice-skating facilities; air-conditioning, heating, ventilation, dehumidification and environmental-testing equipment; and building services such as plumbing, electrical, fire-protection and smoke-control systems. Its product and service portfolio includes food and low-temperature logistics systems, automotive and natural-environment testing equipment, specialized cooling and air-conditioning, humidifiers, commercial air-conditioning, central air-conditioning, air-handling units, and large chillers. The corporate website distinguishes products made by Mitsubishi Heavy Industries Air-Conditioning & Refrigeration from offerings made by Mitsubishi Heavy Industries Thermal Systems and products handled by the company. This distinction matters: the company is both a product and equipment supplier and an engineering, installation, and after-sales service provider. The company’s history reflects a series of integrations and changes in scope. It began as a seller of parts for commercial air-conditioning equipment, added service work, and subsequently combined refrigeration-related businesses and sales organizations. In 2013 it was formed through the integration of Mitsubishi Heavy Industries Air-Conditioning Systems and Mitsubishi Heavy Industries Refrigeration Systems, adding large chillers to its product coverage. Later integrations expanded its heating and refrigeration-related business. Its website also describes overseas deployment, though the supplied materials do not specify countries or the scale of those operations.
History
The company’s corporate history begins on April 1, 1976, when Mitsubishi Heavy Industries Refrigeration Parts Sales Co., Ltd. was established to sell parts for commercial air-conditioning equipment. In April 1980, service work for commercial air-conditioning equipment was added and the company changed its name to Mitsubishi Heavy Industries Refrigeration Service Co., Ltd. In October 1992 it became Mitsubishi Heavy Industries Refrigeration Materials Co., Ltd. A larger restructuring followed in April 2004. Mitsubishi Heavy Industries Refrigeration Materials, which handled manufacturing and sales of peripheral equipment and materials for thermal products, was integrated with the refrigeration divisions of six general sales companies to establish Mitsubishi Heavy Industries Air-Conditioning Systems Co., Ltd. In October 2013, that company and Mitsubishi Heavy Industries Refrigeration Systems Co., Ltd. were integrated to establish Mitsubishi Heavy Industries Refrigeration Co., Ltd. The new company expanded its handled products to include large chillers. The organization expanded its scope again in October 2014 by integrating Kusakabe Co., Ltd., adding heating equipment to its handled products and seeking to strengthen sales of thermal products. In July 2015, it integrated with Toyo Seisakusho Co., Ltd. The supplied corporate-history page records these milestones and identifies the resulting company as Mitsubishi Heavy Industries Refrigeration Co., Ltd.; the corporate English name shown in the profile is Mitsubishi Heavy Industries Air-Conditioning & Refrigeration Corporation. Today, the company describes its business through engineering, air-conditioning, and large-refrigeration segments. Its official company profile covers sales, installation, system development, manufacturing, engineering, construction, repair, maintenance, and improvement work across thermal systems and related facilities. The product site lists company-made engineering offerings such as food and low-temperature logistics systems, automotive and natural-environment testing equipment, and specialized cooling and air-conditioning. It also identifies air-conditioning and large-chiller products made by Mitsubishi Heavy Industries Thermal Systems, as well as products handled by the company. The corporate website describes overseas deployment but does not specify markets in the supplied material. The company’s current public-facing material includes product information, corporate notices, and customer safety and service announcements. In 2025 and 2026, it posted notices requesting free inspection and repair for specified commercial air-conditioning product categories. These notices are included here as documented product-related announcements, not as a broader characterization of the company.
Established as Mitsubishi Heavy Industries Refrigeration Parts Sales Co., Ltd., selling parts for commercial air-conditioning equipment.
[2]Added service for commercial air-conditioning equipment and changed its name to Mitsubishi Heavy Industries Refrigeration Service Co., Ltd.
[2]Changed its name to Mitsubishi Heavy Industries Refrigeration Materials Co., Ltd.
[2]Integrated the refrigeration-materials business with refrigeration divisions of six general sales companies to establish Mitsubishi Heavy Industries Air-Conditioning Systems Co., Ltd.
[2]Integrated Mitsubishi Heavy Industries Air-Conditioning Systems and Mitsubishi Heavy Industries Refrigeration Systems to establish Mitsubishi Heavy Industries Refrigeration Co., Ltd.; large chillers were added to its handled products.
[2]Integrated Kusakabe Co., Ltd., adding heating equipment to its handled products.
[2]Integrated with Toyo Seisakusho Co., Ltd.
[2]
Products and positioning
A group-affiliated Japanese thermal-systems supplier combining equipment sales and manufacturing with engineering, installation, maintenance, and after-sales services.
Food and low-temperature logistics systems
Engineering offerings identified on the company’s product page as made by Mitsubishi Heavy Industries Air-Conditioning & Refrigeration.
Automotive and natural-environment testing equipment
Engineering offerings identified on the company’s product page as made by Mitsubishi Heavy Industries Air-Conditioning & Refrigeration.
Specialized cooling and specialized air-conditioning
Engineering offerings identified on the company’s product page as made by Mitsubishi Heavy Industries Air-Conditioning & Refrigeration.
Air-handling units and central air-conditioning
Product categories listed by the company; the page distinguishes products made by the company from those made by Mitsubishi Heavy Industries Thermal Systems.
Turbo chillers
A large-refrigeration product category listed on the company’s product page.
Brand decisions
- Requested free inspection and repairs for specified commercial two-way ceiling-embedded air-conditioners.Other
- Requested free inspection and repairs for specified commercial wall-mounted indoor air-conditioners.Other
- Requested free inspection and repairs for specified commercial floor-standing indoor air-conditioners and specified LXY-series building multi-split and facility air-conditioners.Other
Sources5 sources
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