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Air Quality Equipment

Format LIVE: Facilitator-led
Offered by NCCER





Category Indoor environmental quality

This module covers the basic principles, processes, & devices used to control humidity & air clean-lines, as well as devices usedtoconserve energy in HVAC systems. It is designed for HVAC contractors and Level 2 HVAC technicians.


  • Explain why it is important to control humidity in a building
  • Recognize the various kinds of humidifiers used with HVAC systems & explain why each is used
  • Demonstrate how to install & service the humidifiers used in HVAC systems
  • Recognize the kinds of air filters used with HVAC systems
  • Use a manometer or differential pressure gauge to measure the friction loss of an air filter
  • Identify accessories commonly used withair conditioning systems to impr ove indoor air quality & reduce energy cost, & explain the function of specified devices
  • Demonstrate or describe how to clean an electronic air cleaner
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CE Hours 5.0