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Glossary

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A I B I C I D I E I F I G I H I I I J I K I L I M I N

O I P I Q I R I S I T I U I V I W I X I Y I Z

 

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/(ft3F)

 

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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