Army Utilities Equipment Repairer

Army Utilities Equipment Repairer (MOS 91C): Career Details

Army Utilities Equipment Repairer (MOS 91C) performs maintenance on utilities equipment and special purpose support systems.

The Utilities Equipment Repairer also performs repairs on refrigeration and air conditioning systems.

This entry level position requires soldiers to be skills in maintenance of utility and electrical systems.

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Qualifications and Training

Recruits looking to join the Army into this position must first take the ASVAB.

The Army requires a minimum score of 98 on the General Maintenance (GM) portion of the ASVAB test, or a combination of 88 on the General Maintenance and 83 on the General Technical (GT).

Once testing is complete and passed, recruits will attend Basic Combat Training for 10 weeks.

After Basic Combat Training, soldiers will go to Advanced Individual Training for 13 weeks.

Upon successful completion of Advanced Individual Training, soldiers will receive certification from the Environmental Protection Agency for Refrigeration Systems.

Skills that are helpful in this MOS include:

  • Experience using tools
  • Interest in a job surrounding math, electricity and shop mechanics

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What are the Job Functions of an Army Utilities Equipment Repairer?

Utilities Equipment Repairer (MOS 91C)
Army Utilities Equipment Repairer performing continuity testing. Image:

Soldiers who work in the Utilities Equipment Repairer position are required to train on fixing almost 10 different types of equipment.

They are required to know all of the EPA rules and regulations.

Often, the importance of this position is not felt until they are needed.

The importance of these soldiers are realized when an A/C unit stops working in a deployed area where the temperature is 120 degrees.

The soldiers in this MOS both supervise and perform maintenance on equipment and any supporting system.

The systems that they must be knowledgeable about include:

  • Air conditioner electrical systems
  • Air conditioner vapor system
  • Portable heater fuel system
  • Portable heater Electrical System
  • Fire extinguisher recharging system
  • Fire extinguishers and valves
  • Refrigeration unit electrical systems

The repairer will complete all inspections and repairs on the above systems.

When the Repairer receives a call about a potential issue they will complete troubleshooting to find the root cause.

They will use diagnostic equipment to provide test measurements that give an indication on how a system is performing.

Soldiers will read temperature and pressure gauges.

They may have locate leaks, replace faulty parts or entire unit pieces.

A portion of the position involves electrician duties.

Some of these duties include soldering wiring, using multi-meters and replacing wiring parts.

Soldiers must know how to read and refer to wiring diagrams.

Soldiers will test for continuity using Improved Environmental Control units.

To ensure the system stays in working condition for as long as possible, soldiers will conduct preventative maintenance.

Preventative maintenance is performed based on information found in technical manuals.

Part of maintenance activities includes purging or recharging refrigeration units.

They also recover refrigerant from different air conditioning units in vehicles or ground areas.

Soldiers in this position are especially busy in deployed areas.

They are required to fix all A/C units in every tent and vehicle. 

Their work also effects medications that need to be kept at certain temperatures, or food storage.

Their work also has an impact on heat-sensitive computers.

The Army recruiting video below can be viewed for more information on Utilities Equipment Repairer job duties.

What Does a Utilities Equipment Repairer Get Paid?

This position will allow soldiers to be paid based on rank and time in service.

Soldiers who are recruited into this position with no prior Military experience can expect to make around $20,000 a year.

Once soldiers complete training and certifications, they can expect this amount to increase.

The Army also provides recruiting bonuses for shipping to training within certain time-frames.

Follow the table below to get an idea of Army base pay.

InsigniaPay GradeRankAbbreviationMinimum Monthly Pay
E-1 +4 monthsPrivatePVT$1,917.60
E-2Private Second ClassPV2$2,149.20
army e 3 insignia - pfcE-3Private First ClassPFC$2,259.90
army e 4 insignia - specialistE-4SpecialistSPC$2,503.50
army e 4 insignia - corporalE-4CorporalCPL$2,503.50
e-6E-6Staff SergeantSSG$2,980.50
E-7Sergeant First Class SFC$3,445.80
army master sergeant iconE-8Master SergeantMSG$4,957.20
E-8First Sergeant 1SG$4,957.20
E-9Sergeant MajorSGM$6,055.50
E-9Command Sergeant MajorCSM$6,055.50
e 9 sergeant major of the army insigniaE-9Sergeant Major of the ArmySMA$6,055.50

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While the base pay amount above may not seem like a large amount, there are Army benefits that add to the income.

For those who live on base, the Army provides housing and food.

An annual allowance is available for Military Clothing.

They also provide special pay opportunities for situations such as deployment.

Other benefits include:

  • Tuition assistance
  • Medical and dental
  • Paid sick time
  • 30 days vacation a year
  • Low-cost life insurance

Job Reviews

Instructors note the high success rate with this training program.

Most soldiers pass the training program and note that the functions learned are technical but most students adapt to the program easily.

Soldiers in this MOS discuss the diversity and travel with this position.

Similar to some other Army positions, negative reviews discuss the impact that supervisors can have on your job outlook.

The review below provides positive and negative aspects of the position.

Image: Glassdoor

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Civilian Career Opportunities

This position allows soldiers to receive a certification from the EPA that is transferable to civilian work.

Soldiers who work in this MOS can find positions working for heating and air conditioning companies around the United States.

Other positions that relate to the skills learned include Electrical Engineering Technicians, Cooling and Freezing Equipment Operators and Electrical Repairer.

Through the Army’s COOL program, soldiers can receive credentials such as the Air Conditioning Service credential through the North American Technician Excellence Agency.

This credential is currently GI Bill funded, assists with Army promotions and can be used to get advanced civilian air conditioning positions.


Army Utilities Equipment Repairer (MOS 91C)
Army Utilities Equipment Repairer recovering refrigerant from a Patriot System’s air conditioning unit. Image:

Army Utilities Equipment Repairer (MOS 91C) performs maintenance on utilities equipment.

They inspect, perform preventative maintenance and repairs on different air conditioning and refrigeration units.

Soldiers who wish to enter into this MOS must complete all ASVAB testing, Basic Training and AIT.

This position will receive pay based on rank and will also receive benefits.

Soldiers who have held this position previously recommend it for the travel experience and certifications that transfer to civilian positions.

The experience gained can allow soldiers to find work in various heating and air conditioning positions.

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Rob V.
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Originally posted on 10/30/19

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