Senior VRF/VRV HVAC Technician

AIR CONDITIONING INNOVATIVE SOLUTIONS; Allen (TX); On-site; USD 70,000 - 90,000; Full time

Job summary

AIR CONDITIONING INNOVATIVE SOLUTIONS is seeking an experienced Technician II to maintain, troubleshoot, and repair VRF/VRV systems in commercial settings across Allen, TX. The role emphasizes diagnosing complex HVAC faults and executing precise preventive maintenance to ensure energy efficiency and reliability.

Applicants should have 6–10+ years of hands-on HVAC experience, EPA Refrigerant Certification, and the ability to read wiring diagrams and BAS/DDC controls.

Qualifications

• 6–10+ years of hands-on commercial HVAC experience.
• EPA Universal Refrigerant Certification and a valid driver’s license.
• Manufacturer-specific training or certifications (Daikin, Mitsubishi Electric, LG, or comparable VRF/VRV systems) is highly preferred.
• Advanced ability to read and interpret electrical wiring diagrams, blueprints, schematics, and control sequences.
• Strong knowledge of Building Automation Systems (BAS), Direct Digital Controls (DDC), and HVAC controls integration.
• Ability to work safely in confined spaces, mechanical rooms, rooftops, and extreme temperatures.
• Physically capable of lifting and maneuvering heavy equipment and components.
• Provide basic hand tools (gauges, meter, screwdrivers, wrenches, pliers).
• Actively seek training and expand industry knowledge.
• Flexibility to work overtime and weekends.

Responsibilities

• Diagnose and troubleshoot complex mechanical and electrical HVAC faults, including refrigerant circuits, variable-speed compressors, electronic expansion valves (EEVs), sensors, controls, and communication systems.
• Perform advanced troubleshooting and repairs on VRF/VRV systems, identifying root causes and implementing effective corrective actions.
• Conduct preventive maintenance, system inspections, performance testing, and operational checks for reliable operation.
• Test and verify control logic, sensors, communication networks, and BAS/DDC integration.
• Adjust and optimize system performance to maximize energy efficiency, comfort, and equipment life.
• Accurately read electrical schematics, wiring diagrams, piping diagrams, and manufacturer documentation.
• Maintain accurate service records, diagnostic findings, repair documentation, and equipment history.
• Clearly communicate technical findings and recommended repairs to customers and internal teams.
• Demonstrate professional craftsmanship and safety to uphold customer service standards.
• Coordinate daily schedule with Service Coordinator and manage tools/equipment.
• Complete timecards and inspection reports; collaborate with team to solve client problems.

Job description

AIR CONDITIONING INNOVATIVE SOLUTIONS is seeking an experienced Technician II to maintain, troubleshoot, and repair VRF/VRV systems in commercial settings across Allen, TX. The role emphasizes diagnosing complex HVAC faults and executing precise preventive maintenance to ensure energy efficiency and reliability.

Applicants should have 6–10+ years of hands-on HVAC experience, EPA Refrigerant Certification, and the ability to read wiring diagrams and BAS/DDC controls.