断熱(だんねつ)

だんねつ
noun, no-adjective
insulation, thermal insulation
buildingscience
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)
  • 高気密(こうきみつ)・高(こう)断熱(だんねつ) (airtight and well insulated, a standard phrase in housing ads)

Related words

Related Words

Related: 防水(ぼうすい) (waterproofing)
Related: 防音(ぼうおん) (soundproofing)
Related: 遮熱(しゃねつ) (heat shielding)
Compare: 二重窓(にじゅうまど) (double window)
Related: 熱伝導(ねつでんどう) (heat conduction)
general
Added 2026.1.17 22:34 · Revised 2026.10.10 9:20
06000/06427_dannetsu