How Do Exterior Wall Colors Affect The Temperature Inside A Building?

This video demonstrates the heat transfer process of Radiation through an exciting experiment. We have 5 glasses of the same size, 1 bottle of water, colored cellophane sheets, 1 laboratory thermometer and a few for this experiment.

According to the National Renewable Energy Laboratory (NREL), dark and dull colors on a home's exterior absorb anywhere between 70 to 90% of the sun's energy. Hence, dark paints make a house warmer, while lighter color paints do not. Black absorbs more of the different wavelengths of light energy, followed by violet, indigo, blue, green, yellow, orange, and red, in descending order.

#RadiationExperiment #HeatTransfer

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