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HVAC - Overview

Heating, Ventilation and Air Conditioning help keep buildings comfortable inside, even when weather is unfavorable outside.  These systems include furnaces, boilers, heat pumps, air conditioners, ventilation fans, and even heat exchangers.  This equipment runs on electricity and/or fossil fuels to heat, cool and control the movement of air flowing into and out of the building enclosure.  This module describes basic components, basic installation and ratings of HVAC systems.



  1. Remember

    • List the various types of heating and cooling systems
    • Remember types of efficiency ratings for HVAC Systems

  2. Understand

    • Describe a balanced HVAC System
    • Understand the effects of HVAC system sizing

  3. Apply

    • Explain how pressure imbalances can increase air infiltration and exfiltration through the building shell

Teaching Materials