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NCCER HVAC Technician Knowledge Verified credential — Requirements & Free Practice

US · License preparation

100 free questions · Answer explanations · No signup required

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NCCER HVAC Technician Knowledge Verified credential

Licensing authority: National Center for Construction Education and Research (NCCER)

Initial by examination
NCCER HVAC Technician Knowledge Assessment
Delivery
NCCER-accredited Assessment Program or public assessment center; the separate Performance Verification is required for craft certification, not for the Knowledge Verified credential.

NCCER HVAC Technician Knowledge Assessment

Provider
NCCER
Format
Closed-book knowledge examination administered through NCCER-accredited assessment programs
Exam questions
Total questions: 128.
Time limit
Two hours
Passing score
70
Examination outline
  • Basic Safety (0.78%)
  • Basic Rigging (1.56%)
  • Trade Mathematics (2.34%)
  • Soldering and Brazing (3.13%)
  • Ferrous Metal Piping Practices (3.13%)
  • Introduction to Cooling (4.69%)
  • Introduction to Heating (3.91%)
  • Air Distribution Systems (3.13%)
  • Commercial Airside Systems (3.91%)
  • Chimneys, Vents, and Flues (3.13%)
  • Leak Detection, Evacuation, Recovery, and Charging (3.91%)
  • Alternating Current (2.34%)
  • Introduction to Control Circuit Troubleshooting (3.91%)
  • Troubleshooting Gas Heating (1.56%)
  • Troubleshooting Cooling (5.47%)
  • Basic Installation and Maintenance Practices (3.13%)
  • Refrigerants and Oils (3.13%)
  • Compressors (3.13%)
  • Metering Devices (3.13%)
  • Commercial Hydronic Systems (3.13%)
  • Planned Maintenance (2.34%)
  • Troubleshooting Electronic Controls (0.78%)
  • Troubleshooting Heat Pumps (5.47%)
  • Troubleshooting Accessories (2.34%)
  • Construction Drawings and Specifications (3.13%)
  • Air System Balancing (3.91%)
  • Indoor Air Quality (6.25%)
  • System Startup and Shutdown (4.69%)
  • Heating and Cooling System Design (4.69%)
  • Commercial and Industrial Refrigeration Systems (3.91%)
Examination sources