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About the Role

This senior role requires advanced proficiency in diagnosing, repairing, and maintaining complex commercial and industrial HVAC systems, with a specialized focus on large-tonnage chiller plants. The technician performs at or beyond the capabilities of a Service Technician III, including full system teardowns, rebuilds, and overhauls.

Responsibilities

• Diagnose, repair, and maintain complex commercial and industrial HVAC systems, with specialized focus on large-tonnage chiller plants (including centrifugal, screw, reciprocating, and absorption types)
• Perform at or beyond the capabilities of a Service Technician III, including full system teardowns, rebuilds, and overhauls
• Respond to dispatched service calls at customer sites to diagnose, troubleshoot, repair, and perform preventative maintenance on a wide range of commercial/industrial HVAC equipment
• Troubleshoot Unitary and Packaged Systems — From small mini-splits to large rooftop/package units (up to 50+ tons); troubleshoot VFDs, controls, compressors; perform maintenance, repairs, and replacements
• Troubleshoot Boilers — Conduct combustion analysis, troubleshoot water/air flow issues, repair components, and verify proper operation
• Diagnose and repair chiller compressor, motor, starter, and drive issues (including Wye-Delta, AFD/VFD, and solid-state starters); perform leak detection on low-pressure systems; conduct insulation resistance (Megger) testing on motors; execute full teardowns, rebuilds, and overhauls of compressors, oil systems, and starters
• Troubleshoot water flow, controls, and operational issues in chiller plants
• Diagnose and repair control valve and related component signal, actuator, and control issues
• Identify heat exchanger and cooling tower performance deficiencies, troubleshoot flow issues, perform cleanings, gasket replacements, and reassembly
• Provide detailed documentation of all service activities, including accurate completion of work orders, parts usage, recommendations, and service reports before leaving the job site
• Communicate effectively with dispatch, customers, and team members; deliver initial and follow-up training to customers on system operation and maintenance
• Identify opportunities to expand service offerings by discussing additional preventive maintenance contracts, upgrades, or related services with customers
• Read and interpret blueprints, schematics, wiring diagrams, and technical manuals
• Adhere to all safety protocols, including OSHA standards, lockout/tagout procedures, confined space entry, and proper use of PPE

Requirements

• Relevant certifications, such as EPA Universal Refrigerant Certification and manufacturer-specific chiller training/certifications (e.g., Trane, Carrier, York, Daikin, or equivalent)
• Strong troubleshooting skills across electrical, mechanical, refrigeration, and controls systems
• Proficiency with computers and software, including Microsoft Word, Excel, Outlook, and service management tools
• Ability to work independently with minimal supervision, while collaborating effectively in a team environment
• Excellent customer service skills with the ability to communicate technical information clearly
• Valid driver's license and clean driving record
• Ability to pass pre-employment drug screening and background checks (as required)
• Willingness to work overtime, on-call shifts, weekends, and emergencies as needed

Skills

• Troubleshooting electrical systems
• Troubleshooting mechanical systems
• Troubleshooting refrigeration systems
• Troubleshooting controls systems
• Microsoft Word
• Microsoft Excel
• Microsoft Outlook
• Service management tools
• Customer service
• Technical communication
• Reading blueprints
• Reading schematics
• Reading wiring diagrams
• Reading technical manuals
• Safety protocols
• OSHA standards
• Lockout/tagout procedures
• Confined space entry
• Proper use of PPE

Experience Level

• Senior role
• Advanced proficiency

Education Level

• EPA Universal Refrigerant Certification
• Manufacturer-specific chiller training/certifications (e.g., Trane, Carrier, York, Daikin, or equivalent)

About the Company

• HTS Engineering Ltd. is the largest independent commercial HVAC manufacturers’ rep in North America, with 20 locations in the US and Canada.
• HTS has a vibrant look and brand promise -- one that reflects our company-wide commitment to ensure the individual success of all those involved in a project’s HVAC system selection, design, purchase, installation and maintenance including our employees, suppliers, customers and end users.

Equal Opportunity

• HTS provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by laws.