Commercial HVAC Technician

Benefits:

401(k) matching

Competitive salary

Dental insurance

Health insurance

Opportunity for advancement

Paid time off

Training & development

Vision insurance

Somerset, Middlesex, Union, Morris, Essex Counties, NJ

Salary Commensurate with Experience

Position Summary

The Senior Commercial HVAC Technician is a highly skilled, field-based professional responsible for the diagnosis, service, repair, commissioning, and optimization of complex commercial HVAC systems. This role requires advanced technical expertise, strong problem-solving skills, leadership in the field, and the ability to work independently while supporting operational excellence and customer satisfaction.

This position may serve as a technical lead on jobsites and acts as a mentor to junior technicians and apprentices.

Essential Functions & Responsibilities

Technical & Trade Responsibilities

Diagnose, repair, and maintain commercial HVAC systems, including:

Rooftop Units (RTUs)

Split systems

Chillers (air-cooled and water-cooled)

Boilers (hot water & steam)

Cooling towers

Make-up air units

VAV systems

Heat pumps and VRF/VRV systems

Perform advanced troubleshooting of:

Electrical systems (single and three-phase)

Motors, VFDs, contactors, relays, and control boards

Refrigeration systems, compressors, and metering devices

Read and interpret blueprints, wiring diagrams, schematics, and control sequences

Commission new equipment and verify proper operation per manufacturer specifications

Perform system balancing assistance and airflow diagnostics when required

Controls, Controls Interface & Automation

Troubleshoot and adjust commercial HVAC controls, including:

Building Automation Systems (BAS)

Thermostats, sensors, and actuators

Interface with controls contractors and building engineers

Verify sequences of operation and proper system response

Preventive Maintenance & Compliance

Perform scheduled preventive maintenance on commercial HVAC equipment

Complete accurate service documentation, PM reports, and compliance checklists

Identify and communicate equipment deficiencies and life-cycle replacement needs

Ensure all work complies with:

OSHA safety standards

EPA regulations

State and local mechanical codes

Company safety policies and procedures

Customer Service & Communication

Serve as a technical representative of the company on commercial job sites

Communicate clearly with:

Property managers

Facility directors

Building engineers

General contractors

Explain system issues, repair recommendations, and preventative strategies in a professional manner

Provide detailed repair recommendations and estimates when applicable

Leadership & Mentorship

Act as a field leader and technical resource for junior technicians and apprentices

Provide on-the-job training and guidance

Promote safe work practices and quality standards

Support management with technical input on job planning and system evaluations

Administrative & Technology Responsibilities

Accurately complete service tickets, work orders, and time entries using company systems

Document refrigerant usage and compliance logs

Maintain truck stock, tools, and equipment in good working order

Communicate job status, delays, and material needs proactively

Requirements

Required Skills/Abilities:

Required Qualifications

Education & Certifications

High school diploma or GED required

EPA Universal Certification required

OSHA-10 (minimum) preferred; OSHA-30 strongly preferred

State HVAC license or equivalent (where required by jurisdiction)

Experience

7+ years of commercial HVAC service experience

Demonstrated experience working independently on complex commercial systems

Experience mentoring or leading other technicians preferred

Technical Skills

Advanced electrical and mechanical troubleshooting

Strong refrigeration diagnostics skills

Proficiency with test instruments (meters, gauges, combustion analyzers, etc.)

Ability to read and interpret technical documentation and control diagrams

Physical Demands

Ability to lift up to 75 lbs

Ability to climb ladders, work on rooftops, and access confined spaces

Ability to stand, kneel, crouch, and work in varying weather conditions

Must be able to wear required PPE

Work Environment

Commercial and industrial facilities

Rooftops, mechanical rooms, and occupied buildings

Exposure to weather extremes, electrical hazards, moving mechanical parts, and noise

Competencies & Attributes

Strong problem-solving and diagnostic ability

High attention to detail and quality workmanship

Professional communication and customer-focused mindset

Leadership presence and team-oriented attitude

Reliable, punctual, and safety-driven