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NATE Air Conditioning Service

The NATE Air Conditioning Service Certification is an industry-recognized credential that validates a technician’s knowledge of air conditioning systems used in residential and light commercial applications. Earning this certification demonstrates that a technician is proficient in installing, servicing, and troubleshooting standard split systems and packaged units. It is ideal for HVAC professionals looking to enhance their credibility, improve job opportunities, and advance their careers in the field.
This certification focuses on real-world skills and is based on a rigorous, exam-based standard developed by HVACR experts. Candidates should have foundational experience and technical training before attempting the exam.

Our virtual training prepares you for this exam.

Key Knowledge Areas Covered:

  • System Components

    • Split system and packaged unit configuration

    • Compressor types and applications

    • Evaporator and condenser coil functions

    • Expansion devices and their operation

  • Installation

    • Piping practices (refrigerant and condensate)

    • Electrical wiring and circuit setup

    • Equipment anchoring and leveling

    • System evacuation and charging procedures

  • Service and Maintenance

    • Preventive maintenance protocols

    • Filter replacement and coil cleaning

    • Electrical checks (voltage, current, continuity)

    • Refrigerant pressure checks and interpretation

  • System Troubleshooting

    • Diagnosing electrical issues (relays, capacitors, thermostats)

    • Identifying refrigerant-related problems (superheat, subcooling)

    • Interpreting system performance data

    • Solving airflow and duct-related issues

  • Electrical and Controls

    • Reading wiring diagrams

    • Thermostat configuration and troubleshooting

    • Safety devices and protection circuits

    • Control board diagnostics

  • Airflow and Duct Design Basics

    • Understanding static pressure and airflow measurement

    • Common duct sizing and layout errors

    • Balancing and tuning supply/return airflow

  • Customer Communication and Documentation

    • Explaining issues and solutions clearly to homeowners

    • Accurate and professional service documentation

    • Following standard safety and code compliance practices

Start your training.... Jumpstart your career.

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