Benefits:
401(k) matching
Competitive salary
Dental insurance
Health insurance
Opportunity for advancement
Paid time off
Training & development
Vision insurance
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