HVAC Field Service Tech I

AAON, Inc.; Longview (TX); On-site; USD 42,000 - 62,000; Full time

Job summary

AAON, Inc. in Longview, TX is seeking an entry-level Field Service Technician I to install, maintain, troubleshoot, and repair HVAC equipment at customer locations.

This role offers hands-on training and exposure to a range of HVAC systems, improving diagnostic and repair capabilities in a customer-focused environment. The position emphasizes safety, accurate documentation, and clear communication with customers while supporting service excellence and continuous skill development within field

Qualifications

• High school diploma or GED required.
• 2+ years of experience in technical service, maintenance, HVAC, industrial equipment repair, or related field.
• Associate degree or technical training in HVAC, electrical systems, or related discipline preferred.
• EPA Certification or HVAC-related certifications preferred.
• Experience with HVAC equipment, controls, or refrigeration systems.

Responsibilities

• Assist in installation, startup, maintenance, and repair of HVAC equipment at customer locations.
• Perform routine inspections and preventive maintenance for reliability and performance.
• Diagnose and troubleshoot basic mechanical, electrical, and controls issues.
• Document service activities, inspections, repairs, parts usage, and customer interactions.
• Communicate service status, findings, and recommendations to customers professionally.
• Operate and maintain company tools, equipment, and service vehicles.
• Support equipment commissioning, startup, and operational verification activities.

Skills

Customer service

Communication

Troubleshooting

HVAC knowledge

Reading diagrams

Independent work

Education

High school diploma or GED

Associate degree or technical training (preferred)

Tools

Hand tools

Power tools

Diagnostic equipment

HVAC refrigerant handling knowledge

Job description

Field Service Technician I – Overview

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.

Responsibilities

• 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.
• Perform other duties as assigned.

Requirements

• 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 that provides an equivalent background.
• Associate degree, technical degree, or vocational training in HVAC, electrical systems, mechanical systems, or a related discipline (preferred).
• EPA Certification or HVAC-related certifications (preferred).
• 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 diagnosis 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.
• Classified as a Safety Sensitive Position requiring adherence to all safety protocols.

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.

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 any 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.