Senior Commercial HVAC Technician & Troubleshooter

Greater San Diego Air Conditioning; San Diego (CA); On-site; USD 55,000 - 90,000; Full time

Job summary

Greater San Diego Air Conditioning seeks an experienced HVAC Service Technician to diagnose, troubleshoot, repair, and maintain commercial systems across client sites in San Diego. You’ll work independently on complex equipment and explain findings clearly to owners and facility staff.

The role requires 7+ years of experience, strong knowledge of chillers/boilers/VRF, and a clean driving record. Travel and safety compliance are essential components of daily duties.

Qualifications

• Minimum 7+ years of commercial HVAC service experience.
• Chillers, boilers, cooling towers, pumps, and advanced HVAC systems.
• Electrical diagnostics, piping, and controls troubleshooting.
• Ability to work independently with minimal supervision.
• Strong customer service and communication skills.
• Valid driver’s license and clean driving record.
• Candidate must obtain required state and local HVAC licenses.

Responsibilities

• Diagnose, service, repair, and maintain a wide range of commercial HVAC equipment.
• Lead service calls independently and provide technical guidance.
• Support installation, repair, and preventive maintenance programs.
• Mentor junior technicians in troubleshooting and best practices.
• Communicate findings and recommendations clearly to customers.
• Complete service reports using mobile applications.
• Maintain safety and quality standards; read electrical schematics and blueprints.
• Install and test components; present totals for services and installations.

Skills

HVAC troubleshooting

Electrical diagnostics

Chillers/Boilers/VRF awareness

Customer service

Communication skills

Driving license

Mentoring

Sheet metal fabrication

Digital reporting tools

Education

HVAC technical school or formal training

High school diploma or GED

Tools

Trade tools

Mobile service apps

Job description

Greater San Diego Air Conditioning seeks an experienced HVAC Service Technician to diagnose, troubleshoot, repair, and maintain commercial systems across client sites in San Diego. You’ll work independently on complex equipment and explain findings clearly to owners and facility staff.

The role requires 7+ years of experience, strong knowledge of chillers/boilers/VRF, and a clean driving record. Travel and safety compliance are essential components of daily duties.