断熱(だんねつ)

だんねつ
noun, no-adjective
insulation, thermal insulation
1. thermal insulation, heat insulation
The prevention of heat transfer between areas, typically to maintain indoor temperature and improve energy efficiency in buildings.
断熱(だんねつ)材(ざい)を壁(かべ)に入(い)れる。
To install insulation material in the walls.
断熱(だんねつ)性能(せいのう)の高(たか)い窓(まど)に変(か)える。
To replace with windows that have high insulation performance.
断熱(だんねつ)工事(こうじ)で冷暖房費(れいだんぼうひ)を節約(せつやく)できる。
Insulation work can save on heating and cooling costs.

COMPOSITION: 断(だん) (cut off, block) + 熱(ねつ) (heat). Literally "to block heat."

COMMON COLLOCATIONS:

  • 断熱(だんねつ)材(ざい) (insulation material)
  • 断熱(だんねつ)性能(せいのう) (insulation performance)
  • 断熱(だんねつ)工事(こうじ) (insulation work)
  • 断熱(だんねつ)リフォーム (insulation renovation)
  • 高(こう)断熱(だんねつ) (high insulation)
  • 断熱(だんねつ)ガラス (insulated glass)

ENERGY EFFICIENCY:

  • 省(しょう)エネ (energy saving)
  • ZEH ({ゼッチ}): Net Zero Energy House
  • 気密性(きみつせい) (airtightness - often paired with insulation)

COMMON INSULATION MATERIALS:

  • グラスウール (glass wool)
  • ウレタンフォーム (urethane foam)
  • セルロースファイバー (cellulose fiber)

RELATED TERMS:

  • 防音(ぼうおん) (soundproofing)
  • 防水(ぼうすい) (waterproofing)
  • 遮熱(しゃねつ) (heat shielding - blocking radiant heat)

Related Words

Related: 防水(ぼうすい) (waterproofing)
general
Added 2026.1.17 22:34 · Revised 2026.1.19 21:17
06000/06427_dannetsu