NC State Extension

Furnace – Defined

An HVAC system that works by blowing heated air through ducts that deliver warm air to rooms throughout the house via air registers or grills. Condensing furnaces have a second heat exchanger that recaptures heat from excess water vapor.

Written By

Photo of Laura LanghamLaura LanghamEnergy Conservation Program Manager (919) 515-8474 laura_langham@ncsu.eduAgricultural and Human Sciences - NC State University
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