Maritime
.
Piping, Mechanical & Auxiliary Systems

Marine HVAC/R Technician

Also posted as Marine HVAC Technician; Shipboard Refrigeration Technician; Environmental Control Technician; HVAC/R Technician

Median wage range
$52k–$78k
National median · per year
Outlook
Growing
Entry barrier
HS + training
No degree required
Overview

What is a Marine HVAC/R Technician

A marine HVAC/R technician performs refrigeration-cycle diagnostics, air handling and ventilation systems, and EPA refrigerant practices to keep shipboard mechanical, piping, and auxiliary systems safe, reliable, compliant, and ready for operation. Most people start with a high school diploma plus employer or technical training rather than a four-year degree.

Marine HVAC/R Technician
Role Snapshot

The role profile

Everything you need to know about this role, the same details employers use to post openings and colleges use to build training.

Median wage range
$52k–$78k
Typical annual pay based on national and industry data.
O*NET codes
49-9041.0047-2152.00
Primary and secondary occupational codes mapping this role to national labor data.
Cluster type
Piping, Mechanical & Auxiliary Systems
The broader industry group this role belongs to within the technician economy.
Context tags
Where and how this role is commonly applied.
Core skills
Refrigeration DiagnosticsAir Handling & VentilationRefrigerant Practices
Essential competencies to perform this role effectively.
Canonical Role ID
UNMUDL-DM-A005
A unique identifier linking this role across training, jobs, and employer systems.
Pay & Outlook

How much does it pay?

Marine HVAC/R Technician in this role earns a median of $52k–$78k a year. Here's how pay typically grows with experience.

$52k–$78k
National median annual wage range from the mapped occupational proxy. Pay varies by region, employer, shift, and clearance, and advanced qualifications push earnings higher.
Wage ranges are illustrative, based on national and industry data. Actual pay varies by employer, location, certification, and experience.
Entry
Experienced
Specialized
On The Job

What does a Marine HVAC/R Technician do?

Explore the core responsibilities of this role, from daily operations and equipment handling to safety, quality, and performance requirements.

01

Diagnose refrigeration faults

Read the refrigeration cycle, charge, superheat, and subcooling to find the real fault.

02

Maintain air handling

Service air handling and ventilation equipment that keeps shipboard spaces habitable.

03

Follow EPA refrigerant rules

Recover, evacuate, and charge refrigerants under EPA handling and record requirements.

04

Read ship system diagrams

Interpret ship system diagrams to trace refrigerant, chilled water, and air paths.

Skills You Will Build

What skills do you need?

Three core skills sit at the heart of this role. You can learn all of them through short, hands-on training.

Refrigeration Diagnostics

Reading the refrigeration cycle to pinpoint charge and airflow faults.

Air Handling & Ventilation

Maintaining fans, coils, and ductwork that condition shipboard spaces.

Refrigerant Practices

Recovering and charging refrigerant to EPA handling standards.

Your next step

How to become one.

Take a short, hands-on course to build the core skills, then apply to jobs hiring near you, all in one place, powered by the Unmudl Skills-to-Jobs® Network.

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Common Questions

Marine HVAC/R Technician, FAQ

A marine HVAC/R technician performs refrigeration-cycle diagnostics, air handling and ventilation systems, and EPA refrigerant practices to keep shipboard mechanical, piping, and auxiliary systems safe, reliable, compliant, and ready for operation.
The national range runs about $52,000–$78,000 per year, with a median near $64,000. Entry-level roles start toward the bottom of that range, and pay varies by employer, region, shift, and certifications.
Most people start with a high school diploma plus employer or technical training. You can build the core skills, Refrigeration Diagnostics, Air Handling & Ventilation, and Refrigerant Practices, through training on Unmudl, then apply to open roles.
No. A high school diploma or equivalent plus employer or technical training is the usual starting point, and employers train qualified candidates on their own procedures.
It's a durable technical career with a clear path to higher pay through experience and qualification. Steady to strong demand is supported by new vessel construction, fleet maintenance, and propulsion-system sustainment. The skills also transfer to related roles like HVAC/R technician (industrial) and marine systems technician.

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