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Home arrow Resources arrow ASHRAE Glossary
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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heating system performance factor (HSPF)

total heating output of a heat pump during its normal period for heating, in Btu, divided by the total electric energy input during the same period, in watt-hours. For SI use, compare coefficient of performance 

 

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