HVAC Technician

1. Installation

• Install heating systems (furnaces, boilers, heat pumps)
  
• Install air conditioning units and ventilation systems
  
• Set up ductwork and insulation
  
• Connect electrical wiring and refrigerant lines
  
• Test systems to ensure proper operation
  

2. Maintenance

• Perform routine inspections and preventive maintenance
  
• Clean coils, filters, and ducts
  
• Check refrigerant levels and system pressures
  
• Lubricate moving parts
  
• Replace worn or faulty components
  

3. Repair & Troubleshooting

• Diagnose mechanical and electrical problems
  
• Repair or replace compressors, motors, thermostats, and sensors
  
• Fix refrigerant leaks
  
• Repair electrical connections and control boards
  
• Respond to emergency service calls
  

4. System Testing & Calibration

• Test airflow and system performance
  
• Calibrate thermostats and control systems
  
• Ensure systems meet safety and energy efficiency standards
  

5. Customer Service

• Explain system issues to customers
  
• Provide repair or replacement recommendations
  
• Offer maintenance tips
  
• Prepare service reports and cost estimates
  

Key Responsibilities

• Follow safety regulations and building codes
  
• Handle refrigerants safely (EPA certification often required in the U.S.)
  
• Use tools like multimeters, vacuum pumps, gauges, and recovery machines
  
• Maintain accurate service records
  
• Stay updated on new HVAC technologies