HVAC Job Description Template

Commercial HVAC Technician

We are looking for a skilled Commercial HVAC Technician to maintain and service HVAC systems across our commercial client portfolio. You will work on diverse equipment — from 5-ton rooftop units to 200-ton chillers — in settings that require both technical depth and professionalism. Our commercial accounts expect minimal downtime and clean documentation, and our technicians deliver both.

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Responsibilities

Service and repair commercial rooftop units (RTUs), split systems, VRF/VRV systems, fan coil units, and air handling units
Perform preventive maintenance on chiller plants, cooling towers, and associated pumping equipment
Diagnose electrical control system faults using schematics and wiring diagrams — trace circuits through starters, VFDs, and control boards
Recover, recharge, and document refrigerant use on commercial systems per EPA Section 608 requirements
Inspect, adjust, and replace commercial air distribution components including VAV boxes, actuators, dampers, and sensors
Perform load calculations and system performance verification using temperature, static pressure, and airflow measurements
Complete detailed service reports with findings, corrective actions, and recommended follow-up work
Coordinate with building facilities managers and property management on scheduling and work scope
Respond to emergency service calls and diagnose system failures under time pressure
Maintain accurate parts and refrigerant inventory on company vehicles and at assigned accounts
Follow commercial building access and safety protocols including sign-in procedures, PPE requirements, and permit-to-work systems

Requirements

EPA Section 608 Universal certification — required
3+ years of hands-on commercial HVAC service experience
Ability to read and interpret mechanical and electrical schematics and blueprints
Experience with commercial RTUs, split systems, and VRF equipment from manufacturers including Carrier, Trane, Daikin, or Lennox
Proficiency with refrigerant manifold gauges, clamp meters, multimeters, and vacuum pumps
Valid driver's license with clean record
OSHA 10 certification or ability to obtain within 90 days of hire
Ability to work at heights on rooftop equipment and follow fall protection procedures

Preferred Qualifications

NATE certification (Core + Commercial Refrigeration or Air Conditioning)
Experience with Building Management Systems (BMS) including Niagara, Distech, or Siemens
Chiller service experience (centrifugal, screw, or scroll) with associated AHRI or manufacturer training
OSHA 30 certification
Experience with DDC controls and pneumatic-to-digital conversion

Benefits

Competitive hourly rate with overtime opportunities on commercial accounts
Company vehicle, fuel card, and smartphone
Full health, dental, and vision insurance
401(k) with employer match
Manufacturer training and certification support
Paid holidays and PTO
Tool allowance or company-supplied specialty tools

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Commercial HVAC Technician