- Type Validation
- Time Hours
NCCER HVAC Level 4
Issued by
NCCER
This individual has demonstrated the ability to: • Describe water quality issues in HVAC systems and how to resolve them • Use a water analysis test kit • Identify factors that can affect indoor air quality • Explain how poor IAQ can be improved • Perform an IAQ inspection/evaluation • Identify types of energy recycling and reclamation systems • Describe the operation of digital controllers • Identify tasks that can be performed through a building management system …see more skills below.
- Type Validation
- Time Hours
Skills
Earning Criteria
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…skills continued… • Use a psychrometric chart • Describe the air balancing process • Start up/shut down boilers, chillers, and air handling units • Interpret HVAC drawings and specifications • Conduct a material takeoff • Perform a heating and cooling load estimate • Identify air distribution system design considerations • Describe commercial refrigeration systems and components • Identify alternative/unique heating and cooling systems • Identify the role and responsibilities of a crew leader