Air Conditioning Diagnostics and Troubleshooting (formally part of AC2) is a Certification program offered by ITEC Training & Education Center in Rochester, NY. The program takes 30 hours over 3.5 or 4 days to complete, with a total tuition of $1,795.
Program Overview
Are you an experienced HVAC technician in the Rochester area looking to sharpen your skills and tackle the toughest AC challenges? This advanced training course is designed specifically for seasoned pros ready to elevate their troubleshooting abilities and stay ahead in a rapidly evolving industry.
In this course, we go beyond the basics with intensive, hands-on instruction in advanced diagnostic strategies and system analysis. This allows you to troubleshoot even the most complex issues related to electrical components, refrigerant flow, airflow, and system performance.
This challenging, immersive experience is built for technicians who are ready to take on more complex service calls and improve their first-time fix rates. Participants will enhance their professional value in the field and stay competitive with evolving HVAC technologies and needs.
What sets this Program apart
Hands-on training and lab work. Through real-world scenarios and expert-led labs, you'll develop the skills to identify and correct performance issues that others miss, making you a go-to technician for high-level service and repairs.
Why ITEC for advanced HVAC training. At ITEC, we have a 20,000-square-foot facility that includes a full-scale indoor house, eight separate HVAC lab modules, and 10,000 square feet of interactive classrooms. As a state-of-the-art training facility, we give participants the opportunity to learn with their hands and apply their skills in real-life scenarios, with certified instructors with experience in the field and strong partnerships with the New York HVAC industry.
Industry-leading training facilities. Our 30,000-square-foot facility includes multifunctional tech labs and interactive classroom spaces. Eight separate lab modules allow hands-on skill development, and a full-scale indoor house is built for real-world construction and HVAC training.
Hands-on experience that mirrors the job site. When you train at ITEC, you don't just learn from a textbook. Students work with actual equipment in real scenarios, which is exactly what employers want to see. Our training ensures you can confidently step onto a job site and have the skills to perform from day one.
Recognition and accreditation. We're one of the nation's leading training and certification providers with recognition and accreditation from many industry organizations, including North American Technician Excellence (NATE), American Council for Construction Education (ACCE), National Oilheat Research Alliance (NORA) and The ESCO Institute. A vast network of testing organizations recognizes us as an official training provider.
The ITEC difference. State-of-the-art facility; certified instructors with real-world industry experience; industry recognized certifications; hands-on experience; pathway to employment and career advancement; strong community partnerships; workforce development leader.
Admission Requirements and Process
Who can register. Anyone interested in HVAC or other trades can register. No prior experience is necessary for beginner courses. As expected, advanced programs require some knowledge and experience.
Prerequisite for this course. ITEC AC1 Certification or a passing score on the ESCO Employment Ready Air Conditioning Test.
Course level. Level Two: ALL have prerequisites and must pass one or more level one courses with an 80% or test out by passing comparable ESCO Employment Ready Test. Test out Fee is $15 per exam.
Tools. Technicians should come prepared with their own tools: a manifold gauge, temperature probes, a micron gauge, a refrigerant scale, and a static pressure kit.
Custom training. ITEC is also able to create custom built curricula created with the unique needs of your company and technicians at the top of mind.
General Requirements
- Register in advanceAll of ITEC's courses require that you register in advance.
- Course prerequisiteITEC AC1 Certification or a passing score on the ESCO Employment Ready Air Conditioning Test.
- ExperienceAnyone interested in HVAC or other trades can register. No prior experience is necessary for beginner courses; advanced programs require some knowledge and experience.
- ToolsTechnicians should come prepared with their own tools: a manifold gauge, temperature probes, a micron gauge, a refrigerant scale, and a static pressure kit.
Application Process
- 1Find a sessionCourses available for enrollment are listed on ITEC's registration calendar, with descriptions and possible prerequisite course needs.
- 2Meet the prerequisiteITEC AC1 Certification or a passing score on the ESCO Employment Ready Air Conditioning Test.
- 3Register in advanceAll ITEC courses require advance registration. Registration and payment of the course fee are taken on ITEC's online registration calendar.
- 4Ask about group registrationPrivate HVAC businesses or technical schools registering a large group of students are encouraged to call ITEC in advance; the Program Coordinator can reserve seats and assist with a group registration.
Program Schedule
Course format. All courses are 30 hours over 3.5 or 4 consecutive days in one week for concentrated focus, with a 25% class / 75% lab structure for maximum hands-on training.
Daily hours. 9:30 to 5:30 Monday to Wednesday, 9:30 to 1:30 Thursday.
Class size. Limited to 12 participants per class to facilitate engagement.
Advance registration. All of our courses do require that you register in advance. Courses available for enrollment are listed on ITEC's registration calendar, with descriptions and possible prerequisite course needs.
Upcoming sessions. ITEC's registration calendar, read on November 8, 2026, lists no upcoming session of this course.
Campus Location
Why Accreditation Is Important
ITEC Training & Education Center describes itself as one of the nation's leading training and certification providers with recognition and accreditation from many industry organizations, including North American Technician Excellence (NATE), American Council for Construction Education (ACCE), National Oilheat Research Alliance (NORA) and The ESCO Institute. Each course offers a certification backed by ACCE.
The school's website does not state an institutional accreditation or a state licence or approval.
Cost of Attendance and Financial Aid Information
Course fee. Course Fee: $1,795 per participant, as published on ITEC's HVAC course schedule.
Certification exams. To receive the NATE AC Service certification, there is a $140 fee. The ESCO AC Certification costs $35. Participants may also need to pay $15 to test out of the ESCO AC1 test if necessary. NATE certification testing is available at the end of class at additional cost. When these exams are taken in conjunction with an ITEC class, the proctoring fee is waived; a Proctor Fee of $50 is added to any exam cost for exams not taken with corresponding courses.
Who pays for certification. The cost of these independent certifications can be covered by either the sponsoring company or the individual technician.
Grants and group registration. Some courses are even grant-funded for qualifying participants. If you are a private HVAC business or technical school interested in registering a large group of students, we encourage you to call us in advance: our Program Coordinator will make sure we have all of the available seats for your technicians and can assist with a group registration.
Curriculum
The course covers advanced diagnostic strategies and system analysis for:
- Electrical components
- Refrigerant flow
- Airflow
- System performance
- Interpreting system data and control signals to trace issues with precision
Career Outcomes
Certifications. Participants can earn certifications that include ITEC AC 2 (Service), NATE AC Service, and ESCO AC Certification.
Start a career. The team at ITEC is proud to offer hands-on, career-focused training with HVAC, plumbing, and electrical courses to help individuals gain the skills needed to start or advance in the skilled trades. We make it easy to enroll whether you're just beginning your career or looking to grow your expertise.
Career connections and networking. We don't just train you; we help you get hired. Many courses include direct connections to local employers, plus insights into career paths and industry networking.
A workforce development driver. ITEC's training and education curriculum is a workforce development driver for the mechanical trades and helps graduates begin their careers at the end of our programs. Whether you're starting fresh, making a career change, or advancing in your current field, we have a course for you.
What to expect as an ITEC Training & Education Center student
The training center. The 30,000 square foot ITEC Training & Education Center includes a 20,000 square foot multi-functional technical lab as well as 10,000 square feet of fully interactive classroom space. ITEC features 8 separate lab modules as well as a full scale house built indoors to support real world training.
In person, in Rochester. All programs and trainings are in-person, at 105 McLaughlin Road, Suite B, Rochester, NY 14615. ITEC trains future professionals, career changers, and industry veterans looking to sharpen their skills, and its programs cater to all experience levels.
Community training partnership. ITEC partners with local community agencies to train technicians with HVAC and Construction skills expertise. In the last year alone, ITEC has had participants from Access VR, Vertus Academy, Urban League, Center for Youth, Volunteers of America, Veterans Outreach Center, Rochester Educational Opportunity Center, U Prep, Edison Tech, and Livingston County Workforce Development.
By the numbers. ITEC reports 6+ years in business, 30+ community partnerships, 75+ HVAC contractors and 2000+ course participants.
Traveling to a course. The closest accommodation to our facility is the Hampton Inn by Hilton Rochester-Greece (500 Center Place Drive, Rochester, NY 14615). The hotel offers students a corporate rate when attending courses at ITEC; just provide our corporate ID when booking a room to get your discount: 0003327714. The rooms can be reserved as a single or double and they provide breakfast every morning.
Testimonials
“Very impressive what they have built to help train young people interested in a great career path.”
Frequently Asked Questions
Other Programs at Rochester
ITEC Training & Education Center in Rochester, NY also offers these 25 programs at 105 McLaughlin Road, Suite B, Rochester, NY 14615.
- Advanced Diagnostics and Troubleshooting for Hydronic HVAC SystemsCertification · 30 hours over 3.5 or 4 days
- Advanced Electrical Diagnostics & Troubleshooting for HVAC TechniciansCertification · 30 hours over 3.5 or 4 days
- Advanced Gas Heating Diagnostics CourseCertification · 30 hours over 3.5 or 4 days
- Air Conditioning Installation Mastery: From Helper to Lead Installer (formally part of AC 2)Certification · 30 hours over 3.5 or 4 days
- Air Conditioning Technician Tune-upCertification · 30 hours over 3.5 or 4 days
- Air Distribution SystemsCertification · 30 hours over 3.5 or 4 days
- Basic Electrical Fundamentals for HVAC TechniciansCertification · 30 hours over 3.5 or 4 days
- Equipment Installation, Commissioning and Start up CourseOther · 3.5 days (30 hours)
- Gas Heating Installation Master: From Helper to Lead InstallerCertification · 30 hours over 3.5 or 4 days
- Heat Pump Sizing & Selection Course for HVAC TechniciansCertificate · 30 hours over 3.5 or 4 days
- Heat Pump Troubleshooting CourseCertification · 30 hours over 3.5 or 4 days
- HydronicsOther · 30 hours over 3.5 or 4 days
- Hydronic System Installation: Near Boiler Piping and LayoutCertification · 30 hours over 3.5 or 4 days
- Indoor Air Quality (IAQ) in HVAC SystemsCertification · 30 hours over 3.5 or 4 days
- Introduction to Air Conditioning With EPA PREPCertification · 30 hours over 3.5 or 4 days
- Introduction to Gas Heating Systems: Natural Gas and Propane FurnacesCertification · 30 hours over 3.5 or 4 days
- Introduction to Heat Pumps and Mini-Split HVAC SystemsCertification · 30 hours over 3.5 or 4 days
- Introduction to Hydronic HVAC SystemsCertification · 30 hours over 3.5 or 4 days
- Introduction to Oil Heating SystemsCertification · 30 hours over 3.5 or 4 days
- ITEC Construction Technology Training ProgramCertification · 6 weeks, full time
- Mini-Split Heat Pump Installer CourseCertification · 30 hours over 3.5 days
- Oil Heating and Dual Fuel Installation CourseCertification · 30 hours over 3.5 or 4 days
- Oil Heating Systems Diagnostics and TroubleshootingCertification · 30 hours over 3.5 or 4 days
- Plumbing I – Introduction to Plumbing SystemsOther · 30 hours over 3.5 or 4 days
- T3: Train the TrainersCertification · 30 hours over 3.5 or 4 days

