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Navy NEC · Engineering

F18A Support Equipment Air Conditioning and Mobile Maintenance Facility (MMF) Technician

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.

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Overview

A support equipment air conditioning and Mobile Maintenance Facility technician performs on equipment repairs on mobile air conditioners and HBO 36 air conditioners. The technician also performs intermediate maintenance on these air conditioners and mobile maintenance facilities.

Core Skills

  • HBO-36 air conditioner repair and maintenance
  • Mobile maintenance facility intermediate maintenance

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Heating, Air Conditioning, and Refrigeration Mechanics and Installers

On-equipment repair and intermediate maintenance of mobile and HBO-36 air conditioners provide directly transferable experience for civilian air conditioning service.

How to prepare: Take a hands-on commercial air conditioning course focused on equipment installation and electrical testing to build beyond mobile-equipment maintenance. Covered refrigerant-handling work requires EPA Section 608 certification, and state or local licensing requirements may also apply.

What the civilian work involves
  • Test electrical circuits or components for continuity, using electrical test equipment.
  • Study blueprints, design specifications, or manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and to ensure the proper installation of components.
  • Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC F18A

    [1] NEC entry "F18A - Support Equipment Air Conditioning and Mobile Maintenance Facility (MMF) Technician"; cached text line 5258; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: HBO-36 air conditioner repair and maintenance, Mobile maintenance facility intermediate maintenance, Heating, Air Conditioning, and Refrigeration Mechanics and Installers (O*NET 49-9021.00)

  2. O*NET: Heating, Air Conditioning, and Refrigeration Mechanics and Installers

    [2] O*NET 30.3 occupational data

    Supports: Heating, Air Conditioning, and Refrigeration Mechanics and Installers (O*NET 49-9021.00)

Defense contractor jobs for F18A

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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