HVAC Chiller Technician

The HVAC Chiller Technician is responsible for installing, diagnosing, inspecting, repairing, maintaining, and servicing a wide variety of heating, ventilation, air conditioning, and hydronic systems. This role requires strong mechanical and electrical expertise, experience with chilled water systems, and a commitment to safety and quality workmanship.

Key Responsibilities

• Install, inspect, repair, maintain, and service HVAC and hydronic equipment and systems.
• Repair and maintain hot water system, chilled water systems ventilation units, and air conditioning units.
• Service and maintain pumps, closed-loop and open-loop condenser water systems and chilled water systems.
• Maintain and troubleshoot cooling towers, fluid coolers and other types of heat rejection equipment.
• Diagnose and repair air-cooled and water-cooled chillers, including centrifugal chillers.
• Replace fans, belts, motors, gaskets, filters, compressors, and other mechanical components.
• Install and adjust switches, gauges, thermostats, valves, tubing, transformers, pressure regulators, controllers, and related parts.
• Descale tubing, cut and thread pipe, and make pipe and electrical connections.
• Add refrigerants and oil; test for defective parts; perform electrical repairs related to HVAC and chiller systems.
• Determine requirements for parts, materials, supplies, tools, and equipment.
• Estimate costs of repairs and equipment replacement.
• Check and test new equipment installations.
• Operate specialized machinery, tools, and equipment used in HVAC and hydronic system repair and maintenance.
• Perform preventative maintenance and routine servicing.
• Maintain accurate service records and documentation.
• Maintain tools, equipment, and supplies in safe and orderly condition.
• Perform related duties as assigned.

Minimum Requirements

• Completion of a 5-year Apprentice Program, Technical School degree, or equivalent journey-level experience.
• Valid driver’s license and ability to maintain insurability.
• Proficiency with light to medium tonnage systems (1–100 tons) and large tonnage systems (100+ tons).
• Experience with hydronic systems, including pumps, chilled water systems, condenser water systems, and cooling towers.
• Experience servicing air-cooled and water-cooled chillers (scroll, screw, recip, and centrifugal chiller).
• CFC Universal Certification.

Preferred Qualifications

• Strong knowledge of hydronic system operation and theory.
• Experience with centrifugal chillers and large-capacity commercial/industrial systems.
• Knowledge of air compressors and pneumatic controls.
• Understanding of applicable state and local building codes and regulations.
• Proficiency with manual and electrical tools used in HVAC trade.
• Soldering/brazing skills.
• Knowledge of health and safety regulations.
• Basic record-keeping skills.

Moving Safety Forward, our initiative for continuous improvements in our safety culture, reminds us that we are on a journey toward a zero-incident culture. In all we do, we must work to build a partnership with our employees, customers and business associates that empowers them all with the ability to do their jobs safely.

McKenney’s is an Equal Opportunity Employer committed to workforce diversity. Qualified candidates will receive consideration without regard to age, color, religion, sexual orientation, disability, national origin, or gender identity. McKenney’s is a smoke-free and drug-free workplace.