Mechanical Maintenance Engineering is an Associate Degree program (Hybrid) offered by Tulsa Welding School in Phoenix, AZ. The program takes 66-86 weeks to complete, with a total tuition of $34,000.
Program Overview
Start training for a new career in less than 15 months with an Associate of Occupational Studies in Mechanical Maintenance Engineering! Open to door to additional career opportunities in the HVAC/R industry.
Start training for your hvac/r career today
TWS’s 15 month Associate of Occupational Studies in Mechanical Maintenance Engineering Degree program includes the completion of the on-campus Electro-Mechanical Technologies program.
The remaining coursework for the Associate of Occupational Studies in Mechanical Maintenance Engineering Program is available online or on-campus.
From the 2026–2027 School Catalog. The Associate of Occupational Studies in Mechanical Maintenance Engineering Program, available at Phoenix, AZ campus only, is designed to provide training and education in adequate depth and breadth to allow graduates entry access to diverse and demanding career positions utilizing air conditioning (both heating and cooling), and refrigeration and construction/maintenance electrical applications. The lower division portion of this program consists of all courses within the Electro-Mechanical Technologies program. With the Electro-Mechanical Technologies courses as a foundation, the additional academic preparation in technical and applied general education topics help prepare graduates for positions that may entail a high level of understanding of all interrelated workings in facilities and commercial/industrial job settings. In the lower division courses, training consists of a combination of lecture and laboratory, utilizing hands-on training. In upper division courses, the method of training is entirely asynchronous. The campus has not yet sought approval from the Texas Workforce Commission (TWC). Therefore, this program is not approved by TWC at this time. Upon successful completion of this program, the graduate will receive an Associate of Occupational Studies in Mechanical Maintenance Engineering degree. Associate of Occupational Studies in Mechanical Maintenance Engineering Degree
School Information
Campus Location
Why Accreditation Is Important
Accredited by the Accrediting Commission of Career Schools and Colleges (ACCSC).
- Licensed by the Arizona State Board for Private Postsecondary Education.
What sets this Program apart
Trained by Pros. Hired by Pros. We believe quality training starts with quality instructors. Our faculty brings over,000 years of combined industry experience to our labs. You’ll learn the techniques used in the field from professionals who have done the work themselves.
Real Skills for an Essential Future. Our programs are built for quality and outcomes, allowing you to graduate and prepare for entry-level opportunities in as few as 7 months. To accommodate your personal and professional commitments, we offer flexible scheduling options with weekday, weekend, and evening classes available.
A Legacy of Success and Stability Investing in your education should lead to a life of purpose. Join a legacy of over 50,000 graduates who have used their TWS training to build more stable, secure futures for themselves and their families. With a national network and lifelong career services support, we are committed to your long-term success.
Hybrid training. At TWS, we know you’re here to build real-world skills, not spend endless hours in a classroom. That’s why we offer a flexible online hybrid model, allowing you to complete the theoretical parts of your program online, as long as it’s done by the deadline. When you’re on campus, your time is spent where it counts: hands-on in the lab with tools, equipment, and expert instructors. This approach gives you the freedom to balance school with other responsibilities, while still getting the hands-on training you need for a successful career in the skilled trades.
What sets TWS apart. For more than 76 years, Tulsa Welding School has been dedicated to one goal: providing the training required for students to succeed in the field. Through hands-on lab work and classroom instruction, we help you develop the skills to move your future forward.
- TWS graduates have obtained employment in all 50 states.
- TWS has over 60,000 graduates combined at all locations.
- Over 16,000 employers across the 50 states.
- $7,000,000 in scholarships annual funding.
- Tulsa Welding School in Houston and Jacksonville were ranked among the top 5% of 4,600 institutions nationwide for the 10-year return on investment, according to a 2022 study by Georgetown University’s Center on Education and the Workforce.
Admission Requirements and Process
Admission requirements. An applicant shall meet certain requirements prior to full admittance and enrollment into an academic program. These requirements are derived from a combination of accreditation, state, and federal requirements to solidify the importance and determination of a student’s ability to successfully complete the applicable programs.
General Requirements
- U.S. citizen or eligible non-citizenBe a U.S. citizen or eligible non-citizen.
- High school graduation or equivalentBe a high school graduate with a standard or higher-level diploma; or possess a General Equivalency Diploma (GED) or high school equivalency; or proof of eligible home school program.
- AgeBe at least 18 years of age or older. Applicants who have already earned their high school diploma, GED, or high school equivalency may enroll if they have met their state's Compulsory Age Requirements, or exemptions. Applicants under the age of 18 must sign the Enrollment Agreement jointly with parent, guardian, or guarantor.
- English languageBe able to understand, read, and write in the English language (all course materials and instruction will be provided in English).
- Entrance interviewComplete an entrance interview with a school official.
- Enrollment agreementComplete review and execution of an enrollment agreement.
- Government-issued identificationProvide government issued identification.
- Hybrid and distance education readinessPossess working knowledge of a basic device (such as a smartphone, tablet, or computer), regular accessibility to a device, and internet connectivity. Before enrollment, prospective students complete an online enrollment process designed to verify the technical skills, computer competency, and access to the equipment, internet connectivity, and technology needed for distance education courses.
- Associate degree programsStudents pursuing an associate degree program must have a high school diploma, GED, or high school equivalency. Graduates who left the school after completing a program and later wish to enroll in an associate degree program must be in good financial standing with the school.
Application Process
- 1Contact Us & Work With a RepresentativeWhether you are ready to start ASAP or you are weighing your options, our team can help. We will answer all of your questions and help you make the right choice for your future.
- 2Find the Program That’s Right for You
- 3Lock In Your Training Schedule
- 4Take an In-Person or Virtual Tour
- 5Complete the Entrance Interview and Enrollment AgreementComplete an entrance interview with a school official, then review and execute an enrollment agreement.
- 6Start Your Training
Program Schedule
Program length. On Ground: 1519.5 Contact Hours / 63 Semester Credit Hours / 66-86 Weeks / 15-21 Months; Online: 1519.5 Contact Hours / 63 Semester Credit Hours / 71-91 Weeks / 16-22 Months.
Upcoming start dates at Phoenix. Sep. 20, 2026 & Oct. 25, 2026.
Flexible Schedule Options for the Phoenix, AZ Campus - Lower Division
Weekday Schedule (Mon - Fri)
- Morning 7:30am-12:30pm
- Afternoon 12:45pm-5:45pm
- Evening 6:00pm-10:00pm
Flexible Schedule Options for the Phoenix, AZ Campus - Upper Division
Weekday Schedule (Mon - Thu)
- Morning 7:30am-12:30pm
- Afternoon N/A
- Evening 5:30pm-10:30pm
Flexible class schedules. Morning, afternoon & evening classes available TWS offers flexible schedules whether you are just graduating from high school, changing your career, or transitioning from military to civilian life. We work hard to find the right program and the right schedule to help you succeed. Experiences & Opportunities
Hybrid delivery. At TWS, we know you’re here to build real-world skills, not spend endless hours in a classroom. That’s why we offer a flexible online hybrid model, allowing you to complete the theoretical parts of your program online, as long as it’s done by the deadline. When you’re on campus, your time is spent where it counts: hands-on in the lab with tools, equipment, and expert instructors. This approach gives you the freedom to balance school with other responsibilities, while still getting the hands-on training you need for a successful career in the skilled trades.
Curriculum
Mechanical Maintenance Engineering program courses. The Associate of Occupational Studies in Mechanical Maintenance Engineering Program, available at Phoenix, AZ campus only, is designed to provide training and education in adequate depth and breadth to allow graduates entry access to diverse and demanding career positions utilizing air conditioning (both heating and cooling), and refrigeration and construction/maintenance electrical applications.
Courses marked with an asterisk are available via online courses only, are taken in tandem with other courses, and do not add weeks to the total program length.
Required Courses
| Subject # | Name | Lecture | Lab | Total | Credits |
|---|---|---|---|---|---|
| Program Outline | |||||
| EA100 | Fundamentals of Electricity | 75 | 50 | 125 | 5 |
| EA120 | Electrical Wiring - Residential | 75 | 50 | 125 | 5 |
| EA130 | Electrical Wiring - Commercial | 75 | 50 | 125 | 5 |
| HV100 | Fundamentals of Refrigeration | 75 | 50 | 125 | 5 |
| HV110 | Comfort Systems - Residential | 75 | 50 | 125 | 5 |
| HV120 | Comfort Systems - Commercial | 75 | 50 | 125 | 5 |
| HV130 | Refrigeration Systems & Practices | 75 | 50 | 125 | 5 |
| HV200 | Advanced Trouble-Shooting Techniques | 75 | 50 | 125 | 5 |
| BCM100 | Basic College Mathematics | 45 | 0 | 45 | 3 |
| ENG100 | English Composition | 29.5 | 0 | 29.5 | 2 |
| MME205 | Principles and Applications of Air | 50 | 0 | 50 | 2 |
| MME210 | Motors and Applications | 50 | 0 | 50 | 2 |
| MME215 | Predictive Maintenance and Piping Systems | 50 | 0 | 50 | 2 |
| MME220 | Transformers & Technical Math | 50 | 0 | 50 | 2 |
| MME225 | Cooling Towers and Maintenance | 50 | 0 | 50 | 2 |
| MME240 | Chillers | 50 | 0 | 50 | 2 |
| MME245 | Fundamentals of Boilers | 50 | 0 | 50 | 2 |
| MME250 | Boilers and Boiler Systems | 50 | 0 | 50 | 2 |
| MME255 | Preventative Maintenance and Planning | 50 | 0 | 50 | 2 |
| MME260 | Computer Applications and Decision Making | 50 | 0 | 50 | 2 |
| MME265 | Entrepreneurship | 45 | 0 | 45 | 2 |
| Subtotal | 1,219.5 | 400 | 1,619.5 | 67 | |
| Program Total | 1,219.5 | 400 | 1,619.5 | 67 | |
Cost of Attendance and Financial Aid Information
Tuition and costs. Published program costs for Mechanical Maintenance Engineering (standard pricing):
| Item | Amount |
|---|---|
| Tuition | $34,000 |
| Registration Fee | $50 |
| Technology Fee | $1,000 |
| Lab Fees | $2,000 |
| Course Materials/Textbooks | $3,250 |
| Gear Package | $1,800 |
| Accident Insurance | $200 |
| Total Program Cost | $42,300 |
Military Pricing (MTP) is 90% of Tuition Price. The registration fee is due at time of enrollment. TWS requires students to purchase accident insurance as part of their program costs; this is a secondary (supplemental) accident insurance policy that only covers accidents while students are in class, and it is not a health insurance plan.
Financial aid. Financial aid available to those who qualify.
Federal grants. Federal grants are often called “gift aid” because they don’t have to be repaid once you complete the program; grants are typically awarded based on financial need.
Scholarships. Scholarships are another form of “gift aid”, but they’re usually merit-based. This means students must meet certain qualifications in order to be considered for an award.
Military benefits. Funding to help with the cost of trade school is available to active duty, reserve and veterans under the Post-9/11 GI Bill®, Reserve GI Bill and Montgomery GI Bill (MGIB).
Net training cost calculator. Use the TWS Phoenix net price calculator to discover what students with similar financial profiles paid to attend TWS after subtracting scholarships and grants from the total cost. Price is calculated based on the 2020-2021 school year.
Cost of attendance at Phoenix (monthly budget, 25/26 and 26/27). Estimated non-institutional costs: $2,063.92 per month living with parents, or $3,075.89 per month off-campus, derived from the U.S. Bureau of Labor Statistics Consumer Expenditure Survey.
Career Outcomes
What can you do in 15 months?
Mechanical maintenance engineering covers a broad range of potential employment options in heating, ventilation, air conditioning and refrigeration (HVAC/R). Graduates of this program would be great candidates for entry-level jobs that require maintaining and servicing large, complex systems in the HVAC/R industry. Some career options are:
- Facilities Maintenance
- Engineer/Technician
- HVAC/R Service Technician
- HVAC/R Installation Technician
- Refrigeration Service Technician
- Refrigeration Installation Technician
- Low-Temperature Field Technician
- Restaurant & Retail Refrigeration Technician
- Commercial Refrigeration Technician
- Power Plant Field Technician
- Maintenance Electrician
- Boiler Operator
Employment is Expected to Grow for HVAC/R in the US by 42,500 Jobs by 2033!5
Over 60,000 Graduates
Over 7 Million In Scholarships Available
Graduate employment. Graduates in good standing are provided assistance in resume writing, completing employment applications and job search preparation as well as ongoing access to employer job openings. The Career Services Department maintains a database of employers and employment opportunities and works with employers seeking qualified graduates. Due to individual differences and personal attributes, neither this school nor any other institution can guarantee graduate employment.
What to expect as a Tulsa Welding School student
Tulsa Welding School – Phoenix, AZ Campus
Get Welding, HVAC/Refrigeration, and Electrical career training at one of the best trade schools in Phoenix, Arizona.
In 1965, the Tulsa Welding School (TWS) Phoenix Campus started out as a Phoenix, AZ trade school specializing in HVAC and Refrigeration career training only. Since then, we’ve expanded to include career programs for Welding and Electrical/Electrical-Mechanic technologies.
The TWS Phoenix campus is located in the Phoenix metropolitan area and includes 26,000 square feet of training facilities, including classrooms, labs, support services, and shops.
Hours of operation.
- Mon-Thu: 8AM to 8PM
- Fri: 8AM to 4 PM
- Sat: 9AM to 1PM
- Sun: CLOSED
The right tools for the job. When you begin your education at TWS, we provide you with an extensive gear package. You get the high quality professional tools you need to succeed.
Online coursework. The schools use a fully hosted, fully integrated Learning Management System (LMS) to deliver online and hybrid courses.
Testimonials
Frequently Asked Questions

School Information
Campus Location
Why Accreditation Is Important
Accredited by the Accrediting Commission of Career Schools and Colleges (ACCSC).
- Licensed by the Arizona State Board for Private Postsecondary Education.



