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Glossary
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Heat
The
energy of molecular vibration in a substance.
Heat capacity
The
amount of heat that can be stored in a material per unit of volume. The heat
capacity is the product of density and specific heat.
I-P
units: Btu/(ft3•°F)
Hybrid system
Refers to a
predominantly passive solar heating and/or cooling system which utilizes an
active component (such as electric fans to force air circulation).
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