Last Updated：2025/12/05

The increase in thermal energy of a space, object or structure as it absorbs incident solar radiation.

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solar gain

Source Word

solar gain

Noun

The increase in thermal energy of a space, object or structure as it absorbs incident solar radiation.

Japanese Meaning

空間、物体、または構造物が太陽放射を吸収することで熱エネルギーが増加する現象。

The solar gain through the large south-facing windows significantly reduced the need for heating during the sunny winter months.

大きな南向きの窓からの日射取得が、日差しのある冬の間の暖房の必要性を大幅に減らした。

Sense（1）

The increase in thermal energy of a space, object or structure as it absorbs incident solar radiation.