遮熱(しゃねつ)

しゃねつ
noun
heat shielding; blocking radiant heat
technicaltechnology
1. heat shielding; blocking radiant heat
Blocking or reflecting radiant heat, especially sunlight, to keep a space cooler. Common in building materials, paints, and films designed to reduce solar heat gain.
遮熱(しゃねつ)シートを張(は)る。
Put up a heat-shielding sheet.
この塗料(とりょう)には遮熱(しゃねつ)効果(こうか)がある。
This paint has a heat-shielding effect.
窓(まど)に遮熱(しゃねつ)フィルムを貼(は)ると室温(しつおん)の上昇(じょうしょう)を抑(おさ)えられる。
Applying heat-shielding film to the windows can curb the rise in room temperature.

Reflecting or blocking radiant heat (mainly sunlight) before it enters a space. Distinct from 断熱(だんねつ), which slows heat transfer through a material.

Common collocations

Similar words

  • 断熱(だんねつ): insulation — slows heat moving through walls and materials; 遮熱(しゃねつ) reflects radiant heat away before it enters

Related Words

Compare: 断熱(だんねつ) (insulation)
general
Added 2026.7.9 12:19 · Revised 2026.9.2 13:02
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