HVAC Service Technician

Parker-Arntz Plumbing & Heating, Inc.•Greenville, MI

About The Position

Parker-Arntz Plumbing and Heating is seeking a Commercial HVAC Service Technician to service commercial HVAC systems. The position requires advanced capabilities in control wiring, building automation interfaces, and air balancing. The technician diagnoses, repairs, commissions, and optimizes commercial HVAC systems and serves as a technical subject-matter expert for clients. Strong troubleshooting, careful wiring practices, technical proficiency, and knowledge of airflow dynamics in commercial buildings are important to the role. The technician works on a range of commercial equipment, including rooftop units, split systems, VRF/VRV systems, heat pumps, boilers, air handlers, VAV systems, exhaust systems, and energy recovery units. Work also includes control wiring and BAS interfaces, airflow testing and balancing, documenting service findings, and communicating recommendations to facility managers, contractors, and building owners. Candidates must have at least seven years of commercial HVAC service experience, an EPA 608 Type II or Universal certification, and a current, insurable driver’s license with a satisfactory driving record.

Requirements

At least 7 years of commercial HVAC service experience.
Strong expertise in control wiring, low-voltage circuits, and control logic.
Demonstrated proficiency in commercial air balancing.
Ability to read and interpret mechanical drawings, control diagrams, airflow specifications, blueprints, schematics, and technical manuals.
EPA 608 Certification (Type II or Universal).
Excellent troubleshooting and problem-solving skills, including the ability to diagnose issues and implement effective solutions independently.
Ability to interface with clients and communicate service or project outcomes and recommendations effectively.
Current driver’s license, satisfactory driving record, and insurability to drive to and from assigned jobs.
Strong knowledge of HVAC systems, electrical wiring, refrigerant handling, and airflow principles.
Proficiency in using tools and equipment commonly used in HVAC installations and repairs.
Strong attention to detail to ensure accurate installation and repair work.
Effective communication skills for interacting with clients, team members, and supervisors.

Nice To Haves

Experience with common BAS platforms such as Trane, Johnson Controls, Siemens, Honeywell, or Carrier.
OSHA 10/30 safety certification.
Associate degree or technical schooling in HVAC, controls, electronics, or a related field.

Responsibilities

Troubleshoot, repair, and maintain commercial HVAC equipment, including RTUs, split systems, VRF/VRV systems, heat pumps, boilers, air handlers, VAV systems, exhaust systems, and energy recovery units.
Diagnose electrical, refrigeration, and mechanical components.
Interpret wiring diagrams, schematics, ladder logic, and sequence-of-operation documentation.
Ensure work complies with local codes, safety regulations, and manufacturer specifications.
Install, repair, and commission control wiring, sensors, actuators, relays, and low-voltage circuits.
Interface with Building Automation Systems, troubleshoot communication issues, and verify sequences of operation.
Identify control failures, wiring errors, or programming issues affecting system performance.
Recommend controls upgrades, retrofits, and energy-efficiency improvements.
Test, adjust, and balance airflow in commercial HVAC systems.
Verify the operation of VAV boxes, static pressure controls, economizers, and ventilation systems.
Use airflow measurement tools to meet design specifications, document air-balance findings, and recommend system improvements for comfort, efficiency, and code compliance.
Communicate technical findings to facility managers, contractors, and building owners.
Prepare accurate service reports, recommendations, and follow-up actions.
Represent the company professionally with a reliable, customer-first approach.