HVAC Field Service Technician

AAON, Inc.; Tulsa (OK); On-site; USD 25,000 - 39,000; Full time

Job summary

AAON, Inc. is seeking an entry-level Field Service Technician I to support installation, maintenance, troubleshooting, and repair of HVAC equipment at customer sites.

You will document work, assist customers with operation, and contribute to safety and service excellence in a dynamic field environment. This role provides foundational hands-on experience in field service operations, with on-site travel to customer locations, and opportunities to develop technical expertise in HVAC systems and

Qualifications

• Requires a high school diploma or GED and 2+ years in technical service, HVAC, or related field.
• Preferred: associate degree or technical training in HVAC/electrical/mechanical systems.
• EPA certification or HVAC-related certifications are preferred.
• Experience with HVAC equipment, controls, or refrigeration systems is a plus.

Responsibilities

• Assist in installation, startup, maintenance, and repair of HVAC equipment at customer locations.
• Perform inspections and preventive maintenance to ensure equipment reliability.
• Diagnose basic mechanical, electrical, and controls issues; escalate complex problems.
• Document service activities, parts usage, and customer interactions accurately.
• Communicate service status, findings, and recommendations to customers professionally.
• Operate and maintain tools, equipment, and service vehicles.
• Support equipment commissioning and startup activities.
• Ensure compliance with safety standards and company policies.

Skills

HVAC knowledge

Customer service

Troubleshooting

Documentation

Electrical basics

Tools familiarity

Education

GED/HS diploma

Associates degree in HVAC or related

EPA Certification

Tools

Hand tools

Power tools

Diagnostic equipment

Job description

Job Description

The Field Service Technician I is responsible for providing entry-level field service support for installation, maintenance, troubleshooting, and repair of HVAC equipment at customer locations. This role contributes to organizational objectives by ensuring equipment operates safely and efficiently while supporting customer satisfaction and service excellence. The position works under general supervision to perform routine service activities, document service work, and assist customers with operational questions. This role serves as a foundation for developing technical expertise in HVAC systems, field service operations, and customer support.

Primary Duties

• Assist in the installation, startup, maintenance, and repair of HVAC equipment at customer locations.
• Perform routine inspections and preventive maintenance activities to ensure equipment reliability and performance.
• Diagnose and troubleshoot basic mechanical, electrical, and controls-related issues, escalating complex problems as needed.
• Document service activities, inspections, repairs, parts usage, and customer interactions accurately and completely.
• Communicate service status, findings, and recommendations to customers in a professional manner.
• Operate and maintain company tools, equipment, and service vehicles in accordance with company standards.
• Support equipment commissioning, startup, and operational verification activities.
• Assist customers with basic equipment operation, maintenance procedures, and troubleshooting.
• Ensure compliance with safety standards, company policies, and customer site requirements.
• Support warranty and service-related investigations.
• Coordinate with technical support, engineering, and operations teams to resolve customer issues.
• Assist with parts identification and ordering to support service activities.
• Participate in technical and safety training programs to develop field service expertise.
• Performs other duties as assigned.

Education and Experience Requirements

• Requires a high school diploma or general education degree (GED); 2+ years of experience in technical service, maintenance, HVAC, industrial equipment repair, or a related field, Or any combination of education and experience, which would provide an equivalent background.
• Preferred: Associate degree, technical degree, or vocational training in HVAC, electrical systems, mechanical systems, or a related discipline.
• EPA Certification or HVAC-related certifications.
• Experience working with HVAC equipment, controls, or refrigeration systems.

Knowledge, Skills, and Abilities

• Basic knowledge of HVAC equipment, mechanical systems, electrical systems, and controls.
• Ability to troubleshoot and diagnose routine equipment issues.
• Familiarity with hand tools, power tools, and diagnostic equipment.
• Strong customer service and communication skills.
• Ability to read and interpret service manuals, wiring diagrams, and technical documents.
• Strong organizational skills and attention to detail.
• Ability to work independently and manage service schedules effectively.
• Basic computer skills for documentation and service reporting.

Essential and Physical Functions

• Ability to diagnose and resolve routine technical issues and make sound decisions in the field.
• Strong problem-solving, organizational, and customer service skills.
• Ability to communicate effectively with customers, team members, and support personnel.
• Frequent standing, walking, climbing, bending, and working around operating equipment.
• Ability to lift, carry, push, or pull up to 50 lbs. regularly.
• Ability to use fine and gross motor skills for repairs, diagnostics, and equipment installation.
• Ability to sit and drive for extended periods while traveling between customer locations.
• Ability to work in confined spaces, elevated work areas, and varying environmental conditions.

Work Environment

• Perform work primarily at customer sites, commercial facilities, industrial operations, and construction locations.
• Regular exposure to varying temperatures, weather conditions, dust, noise, and mechanical equipment.
• Frequent travel required to customer locations within assigned service areas.
• Exposure to energized electrical systems, refrigeration systems, moving mechanical components, and industrial environments.
• Compliance with all company policies and procedures to maintain a safe working environment.
• Use of personal protective equipment (PPE) as required by company and customer safety standards.
• This role is classified as a Safety Sensitive Position, requiring adherence to all safety protocols to ensure a safe and secure work environment.

Disclaimer

Disclaimer: Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at a time with or without notice. This job description is not an exhaustive list of all functions that the employee may be required to perform, and the employee may be required to perform additional functions. The company reserves the right to revise this job description at any time. The employee must be able to perform the essential functions of the position satisfactorily. If requested, reasonable accommodations may be made to enable employees with disabilities to perform the essential functions of the job, absent undue hardship.

At AAON and BASX, we’re driven by a shared commitment to innovation, performance, and sustainability. Since 1988, AAON has been at the forefront of the HVAC industry, delivering cutting-edge solutions for commercial and industrial indoor environments. Since joining forces with AAON in 2021, BASX has built on that foundation with highly engineered, custom solutions for critical environments - including cleanrooms, data centers, and laboratories - where precision and reliability matter most. Together, we design and manufacture highly configurable systems tailored to each application, ensuring our customers achieve exceptional efficiency, performance, and long-term value. Join us in shaping smarter, more sustainable environments for the future.