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Glossary

 

The terms and definitions included in this glossary were taken from "ASHRAE Terminology of Heating, Ventilation, Air Conditioning & Refrigeration".
To access the complete glossary please visit ASHRAE's Bookstore.


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overall thermal transfer value (OTTV)


quantity of heat transferred per unit of temperature difference into a building through its walls or roof, due to solar heat gain and outdoor-indoor temperature difference 

 





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