Talk:Solar gain

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What about heat caused by visible light? Is that part of solar heat gain?

Yes Gralo 03:12, 15 June 2007 (UTC)

Yes. It is already taken into account. Generally accepted is the fact that the optical spectrum considered is between 300nm-2500nm (or 280nm-3000nm). Within this range of wavelengths are Ultra-violet, Visible Light and Infra-red radiations. So when the Solar Heat Gain (or Solar Heat Gain Coefficient) is calculated, even the heat caused by Visible Light is taken into account. --NVX 02:22, 19 July 2007 (UTC)