Service Technician III - HVAC

Duties And ResponsibilitiesIndependently diagnose, troubleshoot, repair, and maintain complex commercial HVAC systems, including rooftop units, split systems, chillers, boilers, VAV boxes, air handlers, central plants, controls/DDC, large-tonnage equipment, and both wet-side (hydronic) and dry-side (air-side) applications.Perform advanced repairs such as major component replacements (compressors, evaporators, condensers, controls, valves, pumps), refrigerant recovery/recharge/handling, system balancing, startup/commissioning, and retrofits/upgrades.Conduct thorough preventive maintenance, performance testing, energy-efficiency assessments, leak detection, and system optimization to minimize downtime and extend equipment life.Lead full service calls from dispatch to completion: assess on-site issues, communicate clearly with customers on findings/recommendations/solutions, coordinate parts and materials, execute work, and follow up for satisfaction.Ensure all work complies with codes, regulations, manufacturer specifications, EPA requirements, and Modigent safety/quality standards.Requirements/QualificationsExperience: 5+ years of progressive hands-on commercial HVAC service, repair, and maintenance experience; proven journeyman-level proficiency in diagnosing and resolving advanced system issues independently.Education: High school diploma or GED required; trade school, apprenticeship completion, or equivalent preferred.Certifications: EPA Section 608 certification (Universal strongly preferred); NATE certification, manufacturer-specific training, OSHA 10/30-hour, or other relevant credentials a plus.Physical Demands: Ability to regularly lift and carry up to 50 lbs, climb ladders/scaffolding/stairs, work in confined spaces or at heights, bend/kneel/crouch, reach overhead, and use diagnostic tools/equipment for extended periods; frequent standing, walking, manual dexterity, and physical stamina required.