MOS 91C Utilities Equipment Repairer

MOS Description

The utilities equipment repairer supervises and performs field and sustainment level maintenance to include utilities equipment and special purpose support systems. For more information on MOS 91C, see this Army website.

In addition to obtaining certifications in your field, advanced education is another way to enhance job performance.

Continuing Education

Enlisted Soldiers and Warrant Officers can review Associate and Bachelor degrees in their assigned military discipline, technical field, or leadership to assist in a clear pathway to completing a degree.

For help in making informed choices on schools and education programs when using tuition assistance, see:

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This is an official U.S. Army websiteUpdated: October 30, 2020

In Demand

This certification is considered in demand. The U.S. Department of Labor sponsored CareerOneStop's analysis indicates the certification is frequently mentioned in online job postings.

Click for external link to CareerOneStop's Credentials Center.

Skill Level

The Skill Level reflects the level, based on MOS training and/or experience, the Soldier should be the most prepared to successfully earn the credential. See the Table Legend for details about each level.

Star

Star credentials are MOS enhancing, as designated by the Proponent. MOS enhancing credentials are directly related to an MOS or ASI, are taught either partially or completely as part of a Program of Instruction (POI), and improves the MOS technical proficiency.

Mandatory

This credential is mandatory for some Soldiers, see the Mandated Certifications tab for more information.

Proponent Funded

Indicates the credential may have funding through the MOS proponent. Some proponents offer credentialing opportunities in conjunction with military training and/or as part of MOS development beyond the training base. Click here for more information.

CA Eligible

This certification is eligible for CA.

Promo Points

This credential has been approved for promotion points. Click for more information.

GI Bill®

Reimbursement for exam fees has been approved for payment through the GI Bill.

Note: GI Bill approval data is updated quarterly. For the latest information, visit the WEAMS Licenses/Certifications Search page. Make sure to select "Both" in the LAC Category Type drop-down before searching.

Click to go to the external link for GI Bill licensing and certification information.

Some

Credential is related to some tasks associated with the duties of the military occupation (at least one critical task but less than 80%)

Most

Credential is directly related to most of the major duties associated with the military occupation (at least 80%)

Other

Credential is related to this military occupation, but is more advanced or specialized and therefore will likely require additional education, training, or experience

Click here to go to Section 608 Technician Certification (Type III) COOL Snapshot page.

Renewal Period: Lifetime

The United States Environmental Protection Agency (EPA), Section 608 Technician Certification (Type III) is for technicians who service or dispose of low-pressure appliances. EPA regulations (40 CFR Part 82, Subpart F) under Section 608 of the Clean Air Act require that technicians who maintain, service, repair, or dispose of equipment that could release ozone depleting refrigerants into the atmosphere must be certified. The regulation also applies to appliances containing most substitute refrigerants, including HFCs. To earn the Section 608 Technician Certification (Type III) technicians are required to pass an EPA-approved test administered by an EPA-approved certifying organization.
Click here to go to Section 608 Technician Certification (Type I) COOL Snapshot page.

Renewal Period: Lifetime

The Environmental Protection Agency (EPA), DOD/EPA Section 608 Technician Certification (Type I) is a requirement under EPA regulations 40 CFR Part 82, Subpart F, under Section 608 of the Clean Air Act. This regulation requires that technicians who maintain, service, repair, or dispose of equipment that could release ODS refrigerants into the atmosphere must be certified. Technicians that service small appliances should be certified as a Type I Technician. Technicians are required to pass an EPA-approved exam to earn Section 608 Technician Certification. Exams must be administered by an EPA-approved certifying organization. There are no eligibility requirements to sit for the exam, but training is available through EPA-approved certifying organizations.
Click here to go to Air Conditioning Service COOL Snapshot page.

Renewal Period: 2 years

North American Technician Excellence (NATE), Air Conditioning Service certification is designed for top level service technicians in the HVAC industry. Air Conditioning Service technicians acquire, evaluate, and interpret necessary readings to determine adequacy and acceptability of meeting system operation specifications, power up and adjust control settings to cycle equipment through all designed-for sequences, and perform sufficient field diagnostic procedures to determine causes of inadequate performance and identify corrective actions. There are no formal education or experience requirements; however, candidates should have knowledge of the installation, service, maintenance, and repair of HVAC systems that are limited to 30 tons or less cooling capacity. Candidates must pass a NATE core exam and air conditioning service specialty exam. This certification is not intended for the HVAC system designer, sales force, or engineering community.
Click here to go to Air Distribution Specialty (Service) COOL Snapshot page.

The North American Technician Excellence (NATE), Air Distribution Specialty (Service) certification is for technicians who work on Heating Ventilation Air Conditioning (HVAC) systems of 12,000 CFM or less airflow. Candidates must demonstrate knowledge of the installation, service, maintenance, and repair of HVAC systems. Candidates must meet experience requirements. Candidates must pass both a core and a specialty exam.
Click here to go to Section 608 Technician Certification (Type II) COOL Snapshot page.

Renewal Period: Lifetime

The Environmental Protection Agency (EPA), DOD/EPA Section 608 Technician Certification (Type II) is a requirement under EPA regulations 40 CFR Part 82, Subpart F, under Section 608 of the Clean Air Act. This regulation requires that technicians who maintain, service, repair, or dispose of equipment that could release ODS refrigerants into the atmosphere must be certified. Technicians that service high- or very high-pressure appliances (except small appliances and MVACs) should be certified as a Type II Technician. Technicians are required to pass an EPA-approved exam to earn Section 608 Technician Certification. Exams must be administered by an EPA-approved certifying organization. There are no eligibility requirements to sit for the exam, but training is available through EPA-approved certifying organizations.
Click here to go to Section 608 Technician Certification (Universal) COOL Snapshot page.

Renewal Period: Lifetime

The Environmental Protection Agency (EPA), DOD/EPA Section 608 Technician Certification (Universal) is a requirement under EPA regulations 40 CFR Part 82, Subpart F, under Section 608 of the Clean Air Act. This regulation requires that technicians who maintain, service, repair, or dispose of equipment that could release ODS refrigerants into the atmosphere must be certified. Technicians that service all types of equipment should be certified as a Universal Technician. Technicians are required to pass an EPA-approved exam to earn Section 608 Technician Certification. Exams must be administered by an EPA-approved certifying organization. There are no eligibility requirements to sit for the exam, but training is available through EPA-approved certifying organizations.
Click here to go to Air Conditioning Installation COOL Snapshot page.

Renewal Period: 2 years

North American Technician Excellence (NATE), Air Conditioning Installation certification is designed for top level installation technicians in the HVAC industry. Air Conditioning Installation technicians prepare installation sites (including removal of existing HVACR equipment), fabricate and assemble systems, and properly power up and set control positions to cycle equipment through primary heating, cooling, and blower operations. There are no formal education or experience requirements, however candidates should have knowledge of the installation, service, maintenance, and repair of HVAC systems that are limited to 30 tons or less cooling capacity. Candidates must pass a NATE core exam and air conditioning installation specialty exam. This certification is not intended for the HVAC system designer, sales force, or engineering community.

Click here to go to Gas Furnaces-Service COOL Snapshot page.

Credential description coming soon.
Click here to go to Heat Pump (Air to Air) Service COOL Snapshot page.

Renewal Period: 2 years

North American Technician Excellence (NATE), Heat Pump (Air to Air) Service is designed for top level service technicians in the HVAC industry. Heat Pump (Air to Air) Service technicians acquire, evaluate, and interpret necessary readings to determine adequacy and acceptability of meeting system operation specifications, power up and adjust control settings to cycle equipment through all designed-for sequences, and perform sufficient field diagnostic procedures to determine causes of inadequate performance and identify corrective actions as necessary. There are no formal education or experience requirements; however, candidates should have knowledge of the installation, service, maintenance, and repair of HVAC systems that are limited to 30 tons or less cooling capacity. Candidates must pass a NATE core exam and heat pump (air to air) service specialty exam. This certification is not intended for the HVAC system designer, sales force, or engineering community.
Click here to go to Certified Hazardous Materials Manager (CHMM) COOL Snapshot page.

Renewal Period: 5 years

The Institute of Hazardous Materials Management (IHMM), Certified Hazardous Material Manager (CHMM) certification demonstrates a professional's ability to handle, manage, or advise others on hazardous materials in a safe and compliant manner. A CHMM may work for a corporation, business, government, or in a related field associated with hazardous materials such as environmental protection, safety, hazmat transportation, or security.  Candidates must have a minimum of a Bachelor’s degree from an accredited college or university and four years of relevant work experience.  Candidates must also pass a written exam.

Click here to go to Commercial Driver's License (CDL) COOL Snapshot page.

The United States Department of Transportation, Federal Motor Carrier Safety Administration (FMCSA), Commercial Driver's License (CDL) is for individuals who drive certain Commercial Motor Vehicles (CMVs). There are three classes of CDLs with endorsements for specialized qualifications for vehicles like school buses, tank trucks, and tractor trailers. The U.S. Department of Transportation requires drivers to obtain and hold a CDL if they operate in interstate, intrastate, or foreign commerce and drive a vehicle that meets one or more of the classifications of a CMV described on the FMSCA website. FMSCA has developed and issued standards for state testing and licensing of CDL holders. These standards require state governments to issue CDLs to certain CMV drivers only after the driver passes knowledge and skills testing that is administered by the state and related to the type of vehicle the driver expects to operate.
Click here to go to Certified Assistant Refrigeration Operator (CARO) COOL Snapshot page.

Renewal Period: 3 years

The Refrigerating Engineers & Technicians Association (RETA), Certified Assistant Refrigeration Operator (CARO) is an entry-level credential designed to demonstrate that an operator has sufficient knowledge to work safely under the supervision of a more experienced operator. Candidates must understand refrigeration fundamentals, cycle, properties, compressors, lubrication, evaporators and cooling units, condensers and high-pressure receivers, purging, and safety. Candidates must pass a written exam.
Click here to go to Certified Industrial Refrigeration Operator (CIRO) COOL Snapshot page.

Renewal Period: 3 years

The Refrigerating Engineers & Technicians Association (RETA), Certified Industrial Refrigeration Operator (CIRO) credential validates the knowledge and abilities of experienced operators. CIROs demonstrate an understanding of advanced concepts, principles and applications required to supervise industrial refrigeration operations. Domains of knowledge include refrigeration fundamentals, safety standards and procedures, refrigeration system operations, and measurement of system performance. Candidates must pass a written exam.
Click here to go to Gas Heating (Air) Installation COOL Snapshot page.

Renewal Period: 2 years

North American Technician Excellence (NATE), Gas Heating (Air) Installation is designed for top level installation technicians in the HVAC industry. Gas Heating (Air) Installation technicians prepare installation sites (including removal of existing HVACR equipment), fabricate and assemble systems, and properly power up and set control positions to cycle equipment through primary heating, cooling, and blower operations. There are no formal education or experience requirements; however, candidates should have knowledge of the installation, service, maintenance, and repair of HVAC systems that are limited to 400,000 BTU or less heating capacity. Candidates must pass a NATE core exam and gas heating (air) installation specialty exam. This certification is not intended for the HVAC system designer, sales force, or engineering community.

Click here to go to Air to Air Heat Pump Installation COOL Snapshot page.

Renewal Period: 2 years

North American Technician Excellence (NATE), Air to Air Heat Pump Installation certification is designed for top level installation technicians in the HVAC industry. Air to Air Heat Pump technicians prepare installation sites (including removal of existing HVACR equipment), fabricate and assemble systems, and properly power up and set control positions to cycle equipment through primary heating, cooling, and blower operations. There are no formal education or experience requirements; however, candidates should have knowledge of the installation, service, maintenance, and repair of HVAC systems that are limited to 30 tons or less cooling capacity. Candidates must pass a NATE core exam and air to air heat pump installation specialty exam. This certification is not intended for the HVAC system designer, sales force, or engineering community.
Click here to go to Certified Portable Fire Extinguisher Technician - FE COOL Snapshot page.

Renewal Period: 3 years

The International Code Council (ICC), Certified Portable Fire Extinguisher Technician - FE is an entry-level credential for individuals responsible for performing inspection, testing, and maintenance on portable fire extinguishers. Candidates for the Portable Fire Extinguisher Technician credential must understand standard practices and guidelines for servicing fire extinguishers. Additionally, candidates must demonstrate a thorough understanding of and the ability to apply codes, regulations, manufacturer requirements, and standards regarding fire extinguishers. The Portable Fire Extinguisher Technician exam tests a technician’s knowledge of hazards inherent in different occupancies and his or her familiarity with standard industry safety practices.
Click here to go to Associate Safety Professional (ASP) COOL Snapshot page.

Renewal Period: 5 years

The Board of Certified Safety Professionals (BCSP), Associate Safety Professional (ASP) certification validates an individual's knowledge and experience in the safety profession. ASP certifies an individual's ability to perform at least 50% of professional-level safety duties in safety, health, environment, and ergonomics. Safety professionals are required to make worksite assessments to determine risks, potential hazards and controls, evaluate risks and hazard control measures for equipment, systems, facilities, and processes, investigate incidents, maintain and evaluate incident and loss records, and prepare emergency response plans. ASP candidates must meet a combination of education and experience requirements. Candidates must take a written exam.
Click here to go to Air Conditioning and Heat Pump Professional COOL Snapshot page.

Renewal Period: 3 years

The Building Performance Institute, Inc. (BPI) Air Conditioning and Heat Pump Professional certification is intended for those individuals who optimize the installation, operation and maintenance, as well as, measure and verify the performance of refrigerant based mechanical systems, either heating or cooling type, and address their interaction with other building systems, from a building science perspective. BPI strongly recommends that a candidate seek training and have some experience in the building performance industry before attempting any BPI certification designations. There are no training, education, or experience requirements to sit for the exams. Candidates must pass a written exam and a field exam.
Click here to go to STAR HVACR Mastery COOL Snapshot page.

Renewal Period: 5 years

The National Inspection Testing and Certification Corporation (NITC), STAR HVACR Mastery is an advanced level certification for professionals who install, repair, and service HVACR systems. STAR HVACR Mastery work includes the design, construction, installation, repair, alteration (retrofit), service and maintenance of all boilers, HVAC air handling systems, ductwork systems, refrigeration piping systsems, process piping heating and cooling systems in residential, commercial and industrial settings. Candidates must pass a written examination.
Click here to go to Electrical Generator Systems Technician Certification - Apprentice COOL Snapshot page.

Renewal Period: 3 years

The Electrical Generating Systems Association (EGSA), Electrical Generator Systems Technician Certification - Apprentice is an entry-level certification that demonstrates an individual's knowledge of on-site power generation equipment and systems. Electrical Generator Systems Technician Apprentices have knowledge of electricity, mechanical, and electrical components and the interactions between them and are proficient in the installation, service, maintenance, and repair of on-site power generation systems. There are no formal education or experience requirements, but candidates must pass a written exam.
Click here to go to Source Inspector Electrical Equipment (SIEE) COOL Snapshot page.

Renewal Period: 3 years

The American Petroleum Institute (API), Source Inspector Electrical Equipment (SIEE) is a mid-level certification designed for individuals who perform tasks relating to the quality surveillance of materials, equipment and fabrications at the supplier/vendor level in the oil, petrochemical and gas industries. SIEEs act on behalf of purchasers to examine fabricated and manufactured equipment and materials at a supplier's facility, as well as confirm that the supplier's quality management system is being utilized effectively. Candidates for the SIEE must meet educational and experience requirements and must pass a written exam.
Click here to go to Infection Control Awareness (ICA) COOL Snapshot page.

Renewal Period: 2 years

The International Certification Board (ICB), Infection Control Awareness (ICA) certification is for technicians who are proficient in the following areas: need for infection control, application of infection control, the chain of infection, infectious control awareness, barriers, and healthcare specific project conditions and considerations. ICA candidates must be individuals with respect to whom contributions are payable to the International Training Institute (ITI), instructors or part-time instructors with a Joint Apprenticeship Training Committee (JATC) in the Sheet Metal Industry or other individuals who qualify as ITI participants. Candidates must also pass a written exam.

High

Highly attainable: Credential is related to the duties performed within the military occupation, the minimum education requirement = HS or less and/or minimum experience = 2 years or less experience and no additional requirements.

Medium

Moderate ease of attainment: Credential is related to the duties performed within the military occupation, the minimum education requirement = Associate's and/or prerequisite and/or minimum experience = more than 2 years and less than 10 years of experience.

Low

May be difficult to attain: Credential is related to the duties performed within the military occupation, the minimum education requirement is a Bachelor's degree, and/or minimum experience is 10 or more years.

Most – Tasks in these careers match most duties of the military job or specialty (approximately 80% or greater)
Some – Tasks in these careers match some duties of the military job or specialty (greater than 20% but less than 80%)
Bright Outlook – new job opportunities are very likely in the future for this job

Registered Apprenticeship

An apprenticeship program is registered with the U.S. Department of Labor. Go to the Apprenticeship Finder and enter career path or location to find apprenticeship opportunities.

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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This credential has been accredited by:
This credential has been accredited by: