クーラーkuuraa

1. nounair conditioner
   うちのクーラーが故障こしょうしてしまった。↗

   The air conditioner is out of order.
2. nouncooler

• SynonymエアコンNeutralLoanword covering both cooling-only and heat-and-cool units; the everyday word now, while 「クーラー」 leans toward cooling-only units or cooler boxes.
• Synonym冷房れいぼうNeutralPoints to cooling as a function, as in 「冷房を入れる」; 「クーラー」 points to the machine itself.
• Synonym空調くうちょうWrittenWritten-style word for air conditioning, often for building systems, as in 「空調が効く」; it covers heating and cooling, while 「クーラー」 is cooling only.
• SynonymエアコンディショナーWrittenThe full form of 「エアコン」, found in formal manuals and spec sheets; in everyday speech people just say 「エアコン」.
• SynonymルームクーラーNeutralAn older name for a room cooling unit; today people usually say 「エアコン」. Unlike 「クーラー」, it is limited to indoor use.
• Synonym冷房装置れいぼうそうちFormalFormal term for cooling equipment, mostly in technical or architectural descriptions; in daily life say 「クーラー」 or 「エアコン」.
• Synonym空調設備くうちょうせつびFormalFormal term for the temperature-and-humidity control system of a building; broader than 「クーラー」 because it covers heating too.
• Antonym暖房だんぼうNeutralHeating, as in 「暖房をつける」; the opposite of the cooling 「クーラー」.
• AntonymストーブNeutralLoanword for a heater that burns fuel or uses electricity, as in 「電気ストーブ」; it stands opposite to cooling 「クーラー」 in the hot-cold contrast.

Use 「クーラー」 for a cooling air conditioner or a portable cooler box, as in 「クーラーボックス」. Air conditioners today are usually called 「エアコン」; the cooling function is 「冷房」, with 「暖房」 as its opposite.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 冷却器れいきゃくき、冷房れいぼう装置そうち。
2. 携帯用けいたいよう冷蔵れいぞう箱ばこ。