HVAC Repair Senior Technician

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

We’re looking for an experienced HVAC Service Technician to join our growing commercial HVAC team. In this role, you’ll travel to commercial properties, facilities, and complex building environments to diagnose, troubleshoot, repair, and maintain HVAC systems and equipment.

The ideal candidate has strong technical knowledge, takes pride in quality workmanship, and can confidently assess system issues and determine the best course of action. You should also be comfortable communicating with building owners, property managers, facility personnel, and other professionals to clearly explain findings, recommended repairs, and equipment needs.

If you’re a dependable, skilled HVAC professional who enjoys working independently, tackling challenging service calls, and delivering excellent results for commercial clients, we’d like to hear from you.

Compensation: $40 - $65 hourly

Qualifications

• Minimum 7+ years of commercial HVAC service experience
• Strong experience with chillers, boilers, cooling towers, pumps, and advanced HVAC systems
• Proficient in electrical diagnostics, piping systems, and controls troubleshooting
• Ability to work independently with minimal supervision
• Strong customer service and communication skills
• Valid driver’s license and clean driving record
• Ability to lift up to 50 pounds and work on ladders and rooftops
• Basic trade tools required
• Ability to use mobile service applications and digital reporting tools
• Preferred (but not required):
• VRF / VRV certifications
• HVAC technical school or formal training
• Experience mentoring technicians
• Sheet metal fabrication experience
• We require candidates have a high school diploma or GED
• Provide outstanding communication to a diverse group of customers and a good problem-solver
• Ability to lift 50 lbs or 100 lbs with aid
• Candidate must obtain required state and local HVAC technician licenses
• Candidate must have a clean driving record and a valid driver’s license

Responsibilities

• As a Senior Service Technician, you will independently diagnose, service, repair, and maintain a wide range of commercial HVAC equipment, including:
• Water Source Heat Pump systems (Horizontal and Vertical)
• Cooling towers (40 to 250+ tons), mechanical yards, boilers, pumps, and VFD systems
• Air-cooled and water-cooled chillers (small to large tonnage)
• Hydronic piping systems: condenser water, chilled water, hot water, refrigeration, and condensate systems
• Ventilation systems, including 100% outside air (OA), exhaust systems (general, environmental, chemical, and process)
• Four-pipe systems (chilled water and heating hot water)
• Rooftop packaged units, split systems, and conventional DX systems
• VRF / VRV systems, including heat recovery systems (installation and service experience preferred)
• VAV systems and associated hot water heating systems
• Duct systems, including S&D, TDC, stainless steel, coated PVS, and custom sheet metal fabrication
• Additional Responsibilities Include:
• Perform advanced diagnostics and troubleshooting of mechanical, electrical, and control systems
• Lead service calls independently and provide technical guidance when needed
• Support installation, repair, and preventive maintenance programs
• Mentor and assist junior technicians in troubleshooting and best practices
• Communicate professionally with customers regarding system conditions and recommendations
• Accurately complete service reports and documentation using mobile applications
• Maintain safety standards and company quality expectations
• Interpret and apply electrical schematics, diagrams, blueprints, and wiring diagrams
• Test newly installed components to ensure proper function
• Present customers with a total for the HVAC services, repairs, and installation
• Perform maintenance and installation of HVAC equipment in homes and businesses
• Fulfill preventative maintenance and warranty services for customers