高こう断だん熱ねつ

noun, noun which may take the genitive case particle 'no'

high thermal insulation; superior heat insulation

Technical term used in architecture, construction, and appliance specifications to describe materials or structures with excellent insulating properties.

• この家いえは高こう断だん熱ねつ仕し様ようで、冬ふゆでも暖あたたかい。

  This house has high thermal insulation specifications, so it stays warm even in winter.

• 高こう断だん熱ねつ窓まどガラスを導どう入にゅうすると、光こう熱ねつ費ひが下さがる。

  Installing high-insulation window glass reduces utility costs.