Greenhouse effect
Insulating glazing: light and energy

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N4408 V1 Article

Greenhouse effect


Insulating glazing: light and energy

Author : Michel CHAUNAC

Publication date: February 10, 2014, Review date: April 26, 2023 | Lire en français

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6. Greenhouse effect

6.1 Principle of the greenhouse effect

Solar energy entering a room through glazing is absorbed by furniture and interior walls.

As these heat up, they re-emit thermal radiation, mainly in the far infrared range with wavelengths above 5,000 nm, for which glass is practically opaque.

Incoming energy is trapped in the room and the temperature of the ambient air rises, sometimes causing discomfort in summer and even winter (figure 8 ).

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