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degree hour The product of one hour, and usually the number of degrees fahrenheit the hourly mean temperature is above a base point (usually 65°F); it is used in roughly estimating or measuring the cooling load in cases where processes heat, heat from building occupants, and humidity are relatively unimportant compared to the dry bulb temperature. Related categories • ECOLOGY AND THE ENVIRONMENT Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) |