Ducting and Air Movement for HVAC Systems

Learning objectives

  • State the three functions of an HVAC system and briefly discuss each
  • Describe the difference between HVAC ducting and HVAC equipment in relation to airflow
  • Discuss three reasons sheet metal ductwork provides superior airflow over flexible ducting; include the topics of installation, mold, and maintenance
  • Describe a hybrid duct system and state why flex ducting is often used at the end of the run
  • List industry standard ducting components and describe the role each plays in the ducting system
  • State the main differences between smoke dampers and fire dampers
  • Describe three commonly reported HVAC related issues which are caused by reduced airflow

Course overview

HVAC units are designed to move a specific volume of air at the correct speed based on the unit's capacity. However, it is important to understand the relationship between the equipment's related capacity to generate air flow and the actual ability of air to flow through the system. When an HVAC system's ducting is not installed properly or is blocked or damaged, energy consumption increases while performance decreases. Poorly designed and implemented ducting causes the HVAC system to work harder while providing less airflow.

The Ducting and Air Movement for HVAC Systems training course explains the important role ducting plays in the HVAC system's ability to provide maximum airflow. It identifies common HVAC airflow issues related to poorly implemented ducting. This online course focuses on:

  • HVAC fundamentals
  • Airflow through the HVAC system
  • Ducting and airflow basics
  • Standard ducting components
  • Common ducting airflow issues

Ducting and Air Movement for HVAC Systems is part of the Heating & Cooling Fundamentals training series.

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