Air Handler

Term from HVAC Services industry explained for recruiters

An Air Handler is a large piece of equipment that's essential in heating, cooling, and ventilation systems for buildings. Think of it as the heart of a building's air system - it's a big metal box that moves air throughout a building, helps control temperature, and ensures good air quality. When candidates mention air handlers on their resume, they're typically talking about installing, maintaining, or repairing these systems. They might also be called "Air Handling Units" or "AHU" in job descriptions. This equipment is commonly found in commercial buildings, schools, hospitals, and large residential complexes.

Examples in Resumes

Performed maintenance and repairs on Air Handler units in commercial buildings

Installed new Air Handling Unit systems for hospital HVAC upgrade project

Led team of technicians in AHU preventive maintenance program

Typical job title: "HVAC Technicians"

Also try searching for:

HVAC Service Technician Air Handler Specialist HVAC Maintenance Technician Building Systems Technician Commercial HVAC Technician HVAC Service Engineer Facilities Maintenance Technician

Example Interview Questions

Senior Level Questions

Q: How would you troubleshoot an air handler that's not maintaining proper temperature control?

Expected Answer: A senior technician should explain a systematic approach: checking control systems, inspecting mechanical components, testing electrical connections, and verifying proper airflow. They should mention the importance of preventive maintenance and energy efficiency.

Q: Describe your experience managing large-scale air handler replacement projects.

Expected Answer: Should discuss project planning, team coordination, safety protocols, budget management, and minimizing downtime for building occupants. Should mention experience with different types of buildings and systems.

Mid Level Questions

Q: What are the key components of an air handler unit that require regular maintenance?

Expected Answer: Should identify main components like filters, coils, belts, motors, and bearings. Should explain typical maintenance schedules and common issues to watch for.

Q: How do you ensure proper air balance in an air handler system?

Expected Answer: Should explain basic air balancing procedures, use of testing equipment, and importance of proper air distribution for occupant comfort.

Junior Level Questions

Q: What safety procedures do you follow when working on air handlers?

Expected Answer: Should mention basic safety practices like lockout/tagout procedures, proper PPE use, and importance of following safety guidelines and manufacturer instructions.

Q: How do you identify when an air filter needs replacement?

Expected Answer: Should describe visual inspection methods, pressure drop indicators, and typical replacement intervals based on usage and environment.

Experience Level Indicators

Junior (0-2 years)

  • Basic maintenance and filter changes
  • Simple repairs under supervision
  • Reading maintenance schedules
  • Following safety procedures

Mid (2-5 years)

  • Independent troubleshooting
  • Component replacement
  • Preventive maintenance planning
  • Basic control system programming

Senior (5+ years)

  • Complex system diagnostics
  • Project management
  • Team leadership
  • Energy efficiency optimization

Red Flags to Watch For

  • No knowledge of safety procedures or PPE requirements
  • Inability to read mechanical drawings or specifications
  • No experience with digital control systems
  • Lack of proper certifications or licenses