Mitsubishi Electric history

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.

1921
  • lunch of Mitsubishi Electric in Tokyo
 
1945
  • started production of fans and exhaust 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
 
1966
  • started production of chilling units
 
1967
  • introduced Kirigamine air conditioners
  • introduced Japan's first ceiling-mounted, split-type air conditioner
 
1968
  • development and sales of duct exhaust fan
  • introduced Lossnay heat-exchange ventilation system
 
1970
  • japan's quietest (33dB) and lightest (10kg) air conditioner
  • introduced industry's thinnest air conditioner (10.9cm) and heat pump (17cm)
  • energy-efficient inverter drives for Kirigamine air conditioners
 
1975
  • received Okochi Memorial Commemoration Prize award for exhaust fan
 
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
 
1987
  • unique design of "rounflow" cassette

kaseta_360

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
  • developed industry-first sensor that detects room occupant movement in order to redirect airflow, installed in Kirigamine air conditioners
 
1994
  • introduced Mr.Slim Multi-S, capable of controlling five separate cassettes at once
  • started sales of City Multi Series ICE-Y, heat staging type multiple split packaged air conditioners
 
1997
  • received Technical Prize from Japanese Association of Refrigeration
 
1998
  • developed "sensible" air conditioner, Room Conditioner series, after thorough investigation of individual room needs
 
1999
  • 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
  • introduction of industry-first multiple-sensor control ("I Feel") to measure quality of the air environment, and introduced the I Feel Kirigamine
 
2000
  • changeover from R407C to the environment-friendly refrigerant R410A
  • introduced Kirigamine series with new mechanism that simplifies cleaning of indoor unit
 
2001
  • 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
 
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
 
2006
  • launch of the quietest air conditioner in the market: the new ceiling concealed unit for hotels with only 20 dB(A)
 
2007
  • new generation of the VRF-outdoor units: compact, best COP-values, up to 50 indoor units includable.
 

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