noun
air conditioner; AC unit
Formal or technical term for an air conditioning unit; in everyday conversation, エアコン is more common.
この空気調和機は省エネ性能が高い。
This air conditioning unit has high energy-saving performance.
空気調和機のフィルターを定期的に掃除してください。
Please clean the air conditioner filter regularly.
Common abbreviation used in everyday speech; 空気調和機 is more formal and often seen in technical contexts.
Compound of 空気 (air), 調和 (adjustment/harmony), and 機 (machine).