HVAC Service Technician

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

8d•$30 - $38•Onsite

About The Position

Parker-Arntz Plumbing and Heating is hiring a Commercial HVAC Service Technician to service commercial HVAC systems. The role diagnoses, repairs, commissions, and optimizes systems while serving as a technical resource to clients. It calls for advanced control-wiring, building automation, and air-balancing skills, accurate wiring practices, strong troubleshooting ability, and knowledge of airflow dynamics in commercial environments. The technician works on a range of equipment, including rooftop units, split systems, VRF/VRV systems, heat pumps, boilers, air handlers, VAV systems, exhaust systems, and energy recovery units. Responsibilities also include communicating technical findings to clients, preparing service reports and recommendations, and ensuring work complies with applicable codes, safety regulations, and manufacturer specifications.

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, and airflow specifications.
EPA 608 Certification, Type II or Universal.
Excellent troubleshooting skills and ability to work independently.
Ability to interface with clients and communicate service or project outcomes and recommendations effectively.
Current driver's license and satisfactory driving record; must be insurable to drive to and from assigned jobs.
Strong knowledge of HVAC systems, electrical wiring, refrigerant handling, and airflow principles.
Proficiency using tools and equipment commonly used in HVAC installations and repairs.
Ability to read and interpret blueprints, schematics, and technical manuals.
Strong problem-solving skills and attention to detail.
Effective communication skills when 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.
Conduct advanced diagnostics on electrical, refrigeration, and mechanical components.
Interpret wiring diagrams, schematics, ladder logic, and sequence-of-operation documentation.
Ensure work meets 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, incorrect wiring, or programming issues affecting system performance.
Recommend controls upgrades, retrofits, and energy-efficiency improvements.
Test, adjust, and balance airflow in commercial HVAC systems.
Verify operation of VAV boxes, static pressure controls, economizers, and ventilation systems.
Use airflow measurement tools to achieve design specifications, document findings, and recommend 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 and provide reliable, customer-first service.