Best HVAC Schools in Illinois

If you want to work with your hands, solve problems, and have a skill that’s widely needed, HVAC might be the right trade for you. In Illinois, HVAC technicians work on heating, ventilation, air conditioning, and refrigeration systems for homes and businesses. The first step to getting into this trade is completing the right training.

Why HVAC training matters

HVAC systems are becoming more advanced. Many require working with electronics, smart thermostats, and energy-efficient technology. Illinois doesn’t require a state HVAC license for technicians, but many cities and employers expect certifications and proof of formal training. Good schools combine classroom learning with hands-on labs so you know how to service equipment safely and accurately.

EPA Certification is required for anyone handling refrigerants under federal law. Most HVAC schools in Illinois help you prepare for and take this test.

Training also gives you an edge when it comes to getting hired. Employers want techs who can hit the ground running without weeks of extra supervision.

Top HVAC schools in Illinois

Here are some of the most reputable HVAC programs in the state. Always check a school’s current curriculum, career services rate, and accreditation before enrolling.

#1

HVAC Technical Institute

Chicago, IL In-state option

Located in Chicago, IL HVAC Technical Institute is a institution focused on career-ready training. Signature programs include Electrical Systems Installation, Electrical Technology, and Electrician. The campus serves roughly 216 learners.

Tuition Contact school for pricing
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Source:IPEDSScorecardACCSC

#2

College of DuPage

Glen Ellyn, IL In-state option

Located in Glen Ellyn, IL College of DuPage is a institution focused on career-ready training. Signature programs include Automotive Technician, Automotive Technology, and Beauty Cosmetology.

Tuition Contact school for pricing
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Source:IPEDSScorecardACCSC

#3

Rock Valley College

Rockford, IL In-state option

Located in Rockford, IL Rock Valley College is a institution focused on career-ready training. Signature programs include Aviation Maintenance Technology, Automotive Technician, and Automotive Technology.

Tuition Contact school for pricing
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Source:IPEDSScorecardACCSC

#4

Illinois Central College

East Peoria, IL In-state option

Located in East Peoria, IL Illinois Central College is a institution focused on career-ready training. Signature programs include Automotive Technician, Automotive Technology, and Accounting Technology. The campus serves roughly 4,909 learners.

Tuition
  • In-state tuition: $4,650
  • Out-of-state tuition: $11,700
Contact

Source:IPEDSScorecardACCSC

Tip: Visit each campus if you can. Seeing the facilities and meeting instructors can help you decide if it feels like the right fit.

Steps to start an HVAC career in Illinois

Getting into the HVAC trade in Illinois usually follows this path:

  1. Finish high school or earn a GED. Most trade schools require this.
  2. Complete an accredited HVAC program. Consider a program with both classroom and field training time.
  3. Get EPA Section 608 Certification. This is a federal requirement to handle refrigerants.
  4. Consider additional credentials. NATE or HVAC Excellence certifications can help you stand out.
  5. Apply for entry-level jobs or an apprenticeship. Many graduates start as installers or maintenance helpers.
  6. Gain work experience. On-the-job learning is essential for building your skills.

The Illinois Department of Employment Security notes that a formal HVAC education can improve job prospects and help techs move into better roles over time.

What to look for in an HVAC program

Choosing the right school isn’t just about location or cost. Look closely at:

  • Accreditation: Programs accredited through industry groups or recognized bodies meet higher training standards.
  • Lab Hours: The more time you spend in practical labs, the better prepared you’ll be.
  • Instructor Experience: Instructors with field backgrounds provide real-world insights.
  • career services: Career services can help you line up interviews after graduation.
  • Flexible Scheduling: Evening or weekend classes help if you’re working while in school.

Red flag: If a school promises quick certification with no lab work, think twice. Employers want techs with real equipment experience.

Certifications that boost your career

While Illinois doesn’t require a state HVAC license, these credentials are respected by employers:

  • EPA Section 608 Certification Required to handle refrigerants.
  • NATE Certification Nationally recognized, shows advanced skill.
  • HVAC Excellence Certification Technical and professional level options.
  • OSHA Safety Training Improves safety knowledge and employability.

Many HVAC schools in Illinois include preparation for these exams in their programs.

Apprenticeships and on-the-job training

Some techs start through apprenticeships instead of school. In Illinois, apprenticeship programs often run three to five years and combine classroom lessons with paid, supervised work. These are usually offered through unions, contractor associations, or large employers. The trade-off is that you earn while you learn, but may spend longer before you’re fully qualified.

For more information on apprenticeships, check with organizations like the Plumbing-Heating-Cooling Contractors Association.

Working in Different Parts of Illinois

HVAC demand can vary by region:

  • Chicago and suburbs: More commercial HVAC work, larger building systems.
  • Central Illinois: Mix of residential and light commercial jobs.
  • Southern Illinois: Greater focus on residential systems and seasonal service work.

Where you train and where you plan to work could affect what kind of systems you’ll see most often.

Summary and next steps

If you’re serious about becoming an HVAC technician in Illinois, start by finding a school that fits your needs. Look for accredited programs with strong lab components, experienced instructors, and career services help.

Here’s your quick action plan:

  • Research at least three HVAC. Schools from the list above.
  • Visit campuses and meet. Instructors.
  • Compare program lengths, costs, and schedules.
  • Enroll and. Start your training.
  • Earn your EPA Section 608 Certification.
  • Begin applying for entry-level jobs or apprenticeships.

Your skills will be widely needed as long as people need safe, comfortable indoor environments. The sooner you start, the sooner you’ll be working in the trade.


Sources:

[^1] :U.S. Bureau of Labor Statistics - Heating, Air Conditioning, and Refrigeration Mechanics and Installers [^2] :U.S. Environmental Protection Agency - Section 608 Technician Certification [^3] :Illinois Department of Employment Security - Career and Labor Market Information: HVAC