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  2. Cooling load temperature difference calculation method

    en.wikipedia.org/wiki/Cooling_load_temperature...

    The CLF is the cooling load at a given time compared to the heat gain from earlier in the day. [1] [5] The SC, or shading coefficient, is used widely in the evaluation of heat gain through glass and windows. [1] [5] Finally, the SCL, or solar cooling load factor, accounts for the variables associated with solar heat load.

  3. Shading coefficient - Wikipedia

    en.wikipedia.org/wiki/Shading_coefficient

    Shading coefficient (SC) is a measure of thermal performance of a glass unit (panel or window) in a building. It is the ratio of solar gain (due to direct sunlight) passing through a glass unit to the solar energy which passes through 3mm Clear Float Glass. [1]

  4. Solar gain - Wikipedia

    en.wikipedia.org/wiki/Solar_gain

    Solar gain (also known as solar heat gain or passive solar gain) is the increase in thermal energy of a space, object or structure as it absorbs incident solar radiation. The amount of solar gain a space experiences is a function of the total incident solar irradiance and of the ability of any intervening material to transmit or resist the ...

  5. Sol-air temperature - Wikipedia

    en.wikipedia.org/wiki/Sol-air_temperature

    The above equation only takes into account the temperature differences and ignores two important parameters, being 1) solar radiative flux; and 2) infrared exchanges from the sky. The concept of T sol-air was thus introduced to enable these parameters to be included within an improved calculation. The following formula results:

  6. National Fenestration Rating Council - Wikipedia

    en.wikipedia.org/wiki/National_Fenestration...

    Consumers who purchase Energy Star rated windows and doors may be eligible for a tax credit. [6] Energy Star sets maximum u-factors and minimum or maximum Solar Heat Gain Coefficients for products depending on the type of product and the climate zone where it is installed. [7] Version 7.0 of Energy Star will take effect on October 23, 2023.

  7. Skylight - Wikipedia

    en.wikipedia.org/wiki/Skylight

    U-factor: expresses the heat loss performance of any building assembly. SHGC–Solar Heat Gain Coefficient: measures the assembly's transfer of heat from outside to inside that is caused by sunlight. These properties are labeled in the U.S. as a decimal between zero and one, with lower numbers indicating lower heat transfer rates.

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    mail.aol.com

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  9. Insulated glazing - Wikipedia

    en.wikipedia.org/wiki/Insulated_glazing

    This takes into account a combination of the heat loss through the window (U value, the reciprocal of R-value), the solar gain (g value), and loss through air leakage around the frame (L value). For example, an A Rated window will in a typical year gain as much heat from solar gain as it loses in other ways (however the majority of this gain ...