air conditioner; AC unit
Abbreviation of 空気調和機. Used in technical or commercial contexts, but also understood in everyday language.
See also: 空気調和機
We installed a new air conditioning unit.
The air conditioners in this building are energy-saving models.
Most common everyday word for air conditioner, especially for home use. 空調機 is more technical and often refers to larger units.
Abbreviation of 空気調和機 (air conditioning equipment), formed by taking the first kanji of 空気 and 調和 and adding 機 (machine).