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It’s the Humidity

Part One of this video covers the essentials of humidity and outlines the primary reasons for humidity control. What is humidity? Relative humidity? What is dew point? Enthalpy? How does evaporation affect comfort? How does humidity conserve energy? All of these questions are answered in practical and entertaining demonstrations. Part Two is a look at the four basic methods of large-scale humidification. Through animation, the tape discusses the operation of evaporative pan, wetted element, water spray and steam humidifiers, and it rates their ability to meet efficiency, maintenance, controllability, sanitation and cost requirements.
Part One—24:58 minutes
Part Two—20:57 minutes