Air-conditioning Systems

Overview | Milestones

Mitsubishi Electric Air Conditioners over the Years

Industry-first technologies, unique designs and inventive operating functions...

Each achievement contributes to higher performance and enhanced efficiency. Our environmental protection measures are setting standards for eco-conscious products and manufacturing processes.

1945 Started production of fans and exhast fans

1954   Established air conditioner division, started production of room air conditioners, introduced Japan's first wall-mounted split-type air conditioner

1956   Started production of open type condensing units

1961   Development and sales of pressure ventilation fan

1963   Developed industry-first semi-hermetic type condensing units

1965   Development and sales of air curtain

  1967-air conditioners
1966   Started production of chilling units

1967   Introduced Kirigamine air conditioners

1968   Introduced Japan's first ceiling-mounted, split-type air conditioner

Development and sales of duct exhaust fan

  1968-air conditioners
1970   Introduced Lossnay heat-exchange ventilation system, and Japan's quietest (33dB) and lightest (10kg) air conditioner

1975   Introduced industry's thinnest air conditioner (10.9cm) and heat pump (17cm), and energy-efficient inverter drives for Kirigamine air conditioners, received Okochi Memorial Commemoration Prize award for exhaust fan

  1975-air conditioners
1978   Introduced Mr.Slim air conditiones for commercial use

1983   Awarded National Commendation for Invention Prize and Minister of International Trade and Industry Prize, for Lossnay

1984   Stated sales of City Multi series, multiple split type packaged air conditioners

Introduced Kirigamine inverter-driven air conditioner with wireless remote control and automatic ventilation flaps

1988   Development and sales of Lossnay ventilation air conditioning system

1989   Introduced Free Compo Multi for more flexible product combinations

1990   Started sales of City Multi Series R2 simultaneous cooling/heating multiple split-type packaged air conditioners

1991   Introduced Lossnay Ventilation to provide fully integrated air conditioning and ventilation, received Technical Prize from Japanese Association of Refrigeration for City Multi Series R2

1993   Reduced use of special chlorofluorocarbons, introduced industry's first motion sensor for air conditioners (Panorama Eye), received Stratospheric Ozone Protection Award from the U.S. Environmental Protection Agency, development and sales of High-speed Hand Dryer, surpassed 10 million units of air conditioner production

1994   Developed industry-first sensor that detects room occupant movement in order to redirect airflow, installed in Kirigamine air conditioners

Introduced Mr.Slim Multi-S, capable of controlling five separate cassettes at once

  1994-air conditioners
1997   Started sales of City Multi Series ICE-Y, heat staging type multiple split packaged air conditioners, received Technical Prize from Japanese Association of Refrigeration

1998   Developed "sensible" air conditioner, Room Conditioner series, after thorough investigation of individual room needs


Awarded Energy Conservation Grand Prize and President Prize from Energy Conservation Center, for LX28F

Introduced Smoke Dash deodorization and dirt-collect machine for smoking

Development and sales of power deodorization cassette type Lossnay

2000   Introduction of industry-first multiple-sensor control ("I Feel") to measure quality of the air environment, and introduced the I Feel Kirigamine

2001   Introduced Kirigamine series with new mechanism that simplifies cleaning of indoor unit

Development and sales of duct exhaust fan with deodorization function

2002   Introduced G-50 IT-based control and monitoring system, with total energy conservation attributes through newly employed inverter driven outdoor fan motor, highly efficient inverter compressor, improvement of heat exchanger performance, and newly designed refrigerant circuit

  2002-multi systems
2003   Development and sales of Replace Inverter, which requires no cleaning and facilitates use of existing pipes

2004   Development and sales of world's first air conditioner model equipped with Antioxidation Supplement Air, a feature perfected to curb generation of active oxygen