Ammonia Refrigeration Maintenance Technology


For information about the Ammonia Refrigeration Operator Training 

Application Dates:  February 1-May 31 (Fall enrollment). This program requires all applicants with a completed file to go through an interview process.  Letters and emails will be sent to students with further instruction.

Semester Start Date:  Fall 

The Ammonia Refrigeration Maintenance Technology program is dedicated to providing an advanced educational opportunity in the field of ammonia refrigeration that assists industry in maintaining a skilled workforce.

To make an impact on the future of industry and the community by providing exemplary industrial educational experiences for students in the Ammonia Refrigeration field.


  • To promote safe work habits

  • To recognize the importance of continuing education

  • To produce trained and skilled operators to meet industry demands for employment

Program Information
The Ammonia Refrigeration program is centered on the industrial ammonia refrigeration field.  Theory of refrigeration and related subjects are covered to provide an understanding of the task-oriented topics and activities experienced in the classroom and laboratory.  Refrigerant flow, system layout, and component synergy are covered with emphasis on safe work practices.  OSHA’s Process Safety Management Program, EPA’s Risk Management Plan and Homeland Security Anti-Terrorism Standards are studied as they relate to ammonia refrigeration.  The students are challenged to fully understand the operation and maintenance of industrial refrigeration systems.

  • Length of program:  2 semesters and 1 summer term

  • Estimated cost of program including in-state tuition, fees, books, and supplies:  $5,900.00.

Why Consider the ARMT field?
The ARMT program at NWTI is designed to foster the students' sound understanding of the principles of  mechanical refrigeration operations and maintenance.  NWTI boasts the only public ammonia refrigeration training facility in the state of Arkansas, housed in one of the newest buildings on campus. In fact, NWTI  offers the only known diploma program in the nation for ammonia refrigeration.  Graduates of the program  find employment in food and beverage processing, in cold storage facilities, or with manufacturers and  installation contractors of mechanical ammonia refrigeration system components and systems.

Job Possibilities
An NWTI Ammonia Refrigeration Maintenance Technology graduate is qualified for a variety of job positions, including:

  • Refrigeration Roundsman

  • Industrial Refrigeration Operator

  • Refrigeration Maintenance Technician