Hydro Pneumatic Tester- Universal Refrigerant Certification

AAON, Inc.; United States; On-site; USD 36,000 - 60,000; Full time

Job summary

AAON, Inc. is seeking an HVAC assembly technician to join a production team responsible for assembling and installing sub-assemblies on commercial HVAC products.

This role involves evacuating nitrogen with gauges, securing hoses, installing gauges, and conducting refrigerant charging while maintaining safety and quality standards. The ideal candidate has at least a HS diploma or GED and some industry experience; Universal Refrigerant Certification is preferred.

Qualifications

• HS graduate or GED required.
• Minimum 6 months industry experience or equivalent preferred.
• Universal Refrigerant Certification required; AAON training provided.

Responsibilities

• Evacuates nitrogen charge using refrigerant gauges.
• Selects and secures vacuum hoses to unit.
• Installs vacuum gauges and pulls unit to AAON-approved micron level.
• Removes vacuum hose and initiates refrigerant charge.
• Sets unit charge at pump controls and starts charge.
• Checks oil in pumps to maintain proper level.
• Locate and secure parts for assemblies to meet production goals.
• Train new employees as needed.

Skills

Communication skills

Safety compliance

Attendance & reliability

Education

HS graduate or GED

Tools

Refrigerant gauges

Vacuum hoses

Job description

Job Description: Job Summary: Work in a team that assembles and installs sub-assemblies on commercial HVAC products.

Essential Duties and Responsibilities

• Evacuates nitrogen charge using refrigerant gauges.
• Selects and secures vacuum hoses to unit.
• Installs vacuum gauges to unit and ensures unit is pulled down to the AAON approved micron level.
• Removes vacuum hose and initiates refrigerant charge.
• Sets proper unit charge at pump controls and initiates charge.
• Removes charge hose.
• Checks oil in pumps to ensure proper level is maintained.
• Determines proper refrigerant charge using QC Parts list at the unit or the work order on the system.
• Locates and secures parts for assigned assemblies to ensure production goals are met.
• Completes operation check sheet form by entering vacuum and charge information and signing name.
• Writes weekly unit number on unit for production scheduling.
• Assembles and attaches lifting lugs to units.
• Starts and shuts down pumps using proper procedures.
• Maintains a safe and productive work area.
• Trains new employees as needed.
• Coordinates area activities with sub‑assembly areas.

Preferred Education and Experience

• It is preferred that an individual in this position has attained a minimum of HS graduate/GED to meet entry‑level requirements.
• Education beyond the minimum is an added advantage for career development activities.
• It is preferred that the individual will have a minimum of 6 months industry experience or equivalent experience in a similar industry.

Certification(s)

• Universal Refrigerant Certification; complete AAON training
• Knowledge, Skills, and Abilities
• Ability to communicate effectively with management and co‑workers to achieve department and company goals.
• Ability to complete duties in a safe and timely manner in accordance with quality standards and engineering specifications.
• Practice good attendance.

Work Environment

• Ability to lift up to 50 pounds.
• Ability to stand up to 95 percent of work shift hours.
• Ability to work in conditions below 32 degrees or above 90 degrees on occasion.

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.