冷房

1. Origins, structure, and basic meaning

• Structure: 冷房 is read as れいぼう and is a noun and する verb for cooling an indoor space or for its air-conditioning system.
• Basic usage: Excessive cooling appears in 冷房が効きすぎる, while temperature control appears in 冷房の設定温度.

2. Common pitfalls and similar expressions

• Function and equipment
  • Depending on context, it can denote the cooling function or the air-conditioning equipment that provides it.
• Difference from 暖房
  • It is the opposite of heating, lowering indoor temperature rather than raising it.