We are a premier commercial HVAC company based in the heart of San Diego (Kearny Mesa), proudly serving the community for over 42 years. We are seeking an experienced Senior Commercial HVAC Service Technician to join our team in a secure, long-term career position. This is a stable, year-round opportunity — not a seasonal or summer role. This is an excellent opportunity for a highly skilled technician ready to elevate their career. The ideal candidate brings advanced technical expertise, strong diagnostic and troubleshooting abilities, and a commitment to delivering exceptional customer service. In this role, you will support field operations, mentor junior technicians, and ensure the reliable, efficient performance of complex commercial HVAC systems. If you are passionate about your trade and looking for a long-term, rewarding career with a respected company, we encourage you to apply today. Responsibilities: • Estimate costs of installation, repairs, and services to customers • Read and apply electrical schematics, diagrams, blueprints, and wiring diagrams • Identify and fix HVAC problems, including component replacement and installation • Certify newly installed components properly function • Enter completed projects and the parts used into the database 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 Qualifications: • Ability to lift 50 lbs or 100 lbs with aid • Attended HVAC school for degree or has a minimum of 1+ years experience in the field as an HVAC helper or equivalent • Provide outstanding communication to a diverse group of customers and a good problem-solver • We require candidates have a high school diploma or GED • Must have EPA 608 refrigerant recovery certification • 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 Compensation: $40 - $65 hourly

• 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 fabricationAdditional 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