HVAC Commercial Start-up Technician

The HVAC Start‑Up Technician will play a critical role in supporting commercial construction projects by conducting pre‑functional inspections, system start‑ups, diagnostics, and warranty‑period service on commercial HVAC equipment. This role requires advanced technical knowledge of chillers, boilers, air handlers, VRF systems, refrigeration components, and HVAC control sequences. The technician will review equipment submittals, interpret wiring diagrams, follow manufacturer installation and start‑up procedures, and ensure systems are properly commissioned, along with completing detailed documentation and troubleshooting issues. Requirements Minimum of four (4) years of experience in commercial HVAC equipment installation and start‑up. Strong understanding of HVAC system operations, refrigeration circuits, and equipment sequence of operations. Ability to read and interpret wiring diagrams, electrical schematics, blueprints, submittals, and manufacturer manuals. Proficiency with Microsoft Office and/or iPad‑based field reporting tools. Strong communication and customer service skills. Ability to troubleshoot complex mechanical, electrical, and control‑related issues. VRF installation and start‑up experience preferred. Strong organizational and documentation skills. Commitment to safety and adherence to company policies and procedures. Key Responsibilities Leadership: Support field operations by ensuring proper execution of start‑up procedures and accurate documentation for all assigned HVAC systems. Technical Start‑Up & Field Operations: Perform pre‑functional inspections and complete start‑up checklists for chillers, boilers, air handlers, VRF units, split systems, and other commercial HVAC equipment. Conduct diagnostics and make necessary repairs on refrigeration systems during start‑up and warranty periods. Interpret control schematics, high‑voltage wiring diagrams, and manufacturer‑provided installation documentation. Assist installation teams in preparing field‑installed devices and components prior to start‑up. Troubleshoot equipment performance, controls issues, and operational deficiencies. Work closely with commissioning agents and complete all commissioning documentation. Reporting: Provide accurate and timely start‑up reports and equipment documentation to project managers, commissioning teams, and internal stakeholders. Compliance: Follow and enforce all company safety procedures; ensure all start‑up activities meet project specifications, manufacturer requirements, and commissioning standards; maintain organized, accurate documentation for all systems and field activities. Benefits Competitive pay and incentives. Medical, Vision, and Dental insurance. Paid holidays and flexible, generous PTO – 2 weeks after 90 days, with the opportunity to gain up to 5 weeks. 401(k) plan with multiple investment options. Training and Development Programs. Company‑paid Employee Assistance Program. Employee discount programs. Company‑paid and voluntary life insurance. Company‑paid and voluntary accidental death & dismemberment (AD&D). Company‑paid short‑term disability and voluntary long‑term disability. Healthcare reimbursement account and dependent care reimbursement account. Health savings account with company contributions. Vehicle discount purchase programs. Equal Employment Opportunity Statement All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed. Comfort Systems USA, Inc. and all subsidiaries, is an equal opportunity employer in all aspects of employment and prohibits discrimination and harassment of any type to all individuals regardless of race, color, religion, sex, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. #J-18808-Ljbffr