Skilled Trades

How to Become an HVAC Technician

To become an HVAC technician, you need a high school diploma or GED, 6 months to 2 years of training through a trade school or apprenticeship, and EPA Section 608 certification to handle refrigerants. Some states and cities also require a license. Expect to spend from almost nothing in a paid apprenticeship to about $15,000 for a trade school program; the median HVAC technician earns $61,010 a year (BLS, May 2025).

Updated October 2026Salary data: BLS Occupational Outlook Handbook, Heating, Air Conditioning, and Refrigeration Mechanics and Installers, May 2025 dataHow we research

Time to start: 6 months–2 years of training; 3–5 years for an apprenticeship
Typical cost: $0–$15,000+
Median pay: $61,010 per year
Education: High school diploma or GED
License / certification: EPA Section 608 certification (federal); state or local license in some areas
Job outlook: +11% (2025–35), much faster than average

Steps to become an hvac technician

Finish high school or get your GED
Trade schools and apprenticeships expect a diploma or GED. Math, basic physics and shop classes help, because you will work with electrical circuits, pressures and temperatures. If you are already out of school, review basic algebra and electricity.
Time: 0–12 monthsCost: $0–$150
Pick a training route
You can enroll in an HVAC certificate or associate degree program, join a registered apprenticeship, or get hired as a helper and train on the job. School is faster to start and teaches theory; apprenticeships pay you while you learn but take longer. Compare total cost, schedule and job placement help before you sign up.
Time: 2–4 weeks of research
Complete HVAC training
Certificate programs usually take 6 months to 1 year, and associate degrees about 2 years. Apprenticeships typically last 3 to 5 years and combine paid work with classroom hours. Focus on electrical troubleshooting, refrigeration cycles, airflow and safety.
Time: 6 months–5 yearsCost: $0–$15,000+
Pass the EPA Section 608 exam
Federal law requires certification to buy or handle most refrigerants. The exam has a Core section plus Type I (small appliances), Type II (high-pressure systems) and Type III (low-pressure systems); passing all of them gives you Universal certification. Many schools include the exam, and the certification does not expire.
Time: 1–4 weeks of studyCost: $20–$150
Get hired as an entry-level technician or helper
Apply to residential service companies, commercial mechanical contractors, and facility maintenance departments. Your first role may be installer or helper, working alongside a senior tech. A clean driving record matters because most jobs use company vans.
Time: 1–3 months
Get licensed if your state or city requires it
Licensing rules vary a lot. Some states license HVAC technicians directly, others license only contractors, and some leave it to cities or counties. Where a license is required, you usually need documented work experience (often 2 to 5 years) and a passing exam score.
Time: Varies by stateCost: $100–$500 in exam and license fees
Add certifications and specialize
Optional certifications such as NATE or HVAC Excellence can help you earn trust with employers and customers. You can specialize in commercial refrigeration, controls, heat pumps or boilers. Many technicians later get a contractor license and start their own business.
Time: Ongoing

Find an HVAC training program near you

School gets you job-ready faster and usually includes the EPA 608 exam, but an apprenticeship or helper job lets you learn without debt, so compare total cost before enrolling.

HVAC certificate program (trade school or community college)
Associate degree in HVAC/R technology
Registered HVAC apprenticeship
Online HVAC courses with hands-on labs
EPA 608 exam prep course

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Requirements

AgeMost employers and apprenticeships require you to be at least 18. There is no upper age limit.

EducationHigh school diploma or GED. Postsecondary HVAC training is not always required, but many employers prefer it.

EPA Section 608 certificationRequired by federal law to purchase and handle most refrigerants.

State or local licenseRequired in some states and cities, often after 2–5 years of experience and an exam. Check your state board.

Driver's licenseMost service jobs require a valid driver's license and a clean driving record.

Physical abilityYou work in attics, crawl spaces and on rooftops, often in extreme heat or cold, and lift heavy equipment.

Background and drug screeningCommon for residential service jobs, since you work inside customers' homes.

How much it costs and how long it takes

Expense	Low	High	Note
HVAC certificate program	$1,500	$15,000	Community colleges are usually cheaper than private trade schools.
Associate degree in HVAC	$5,000	$35,000	Optional. Cost depends heavily on public vs. private school.
Apprenticeship tuition	$0	$2,000	Many apprenticeships are low-cost or employer-paid.
EPA Section 608 exam	$20	$150	Price depends on the certifying organization and proctoring.
Starter tools	$500	$2,500	Gauges, multimeter, hand tools. Some employers provide larger equipment.
State or local license fees	$0	$500	Only where a license is required.
Optional NATE certification exams	$150	$400
Total	$7,170	$55,550	Timeline: 6 months–2 years of training; 3–5 years for an apprenticeship

Exams and how to prepare

EPA Section 608 Technician Certification

Federal refrigerant-handling exam with a Core section and Type I, II and III sections. Passing all four gives Universal certification. It is offered by EPA-approved certifying organizations and does not expire.

How to prepare: Study an EPA 608 study guide and take practice tests until you score well on every section. Focus on regulations, recovery requirements, leak repair rules and safety.

State or local HVAC license exam

Required in some states and cities for technicians or contractors. It usually covers mechanical codes, refrigeration, electrical, and sometimes business and law.

How to prepare: Get the candidate bulletin from your state board, which lists the reference books allowed, and practice with timed tests.

NATE certification (optional)

Industry certification from North American Technician Excellence. It has a core exam and specialty exams such as air conditioning, heat pumps and gas heating.

How to prepare: Take it after you have some field experience. NATE publishes knowledge areas for each specialty exam.

Prepare for your HVAC certification exams

EPA 608 is the one exam almost every HVAC technician needs; start there.

EPA Section 608 (Core, Type I, II, III, Universal)
State or local HVAC license exam
NATE certification exams

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HVAC Technician salary and job outlook

Less than $40,050

Lowest 10% earn less than

$61,010 per year ($29.33 per hour)

Median pay

More than $95,210

Highest 10% earn more than

Employment is projected to grow 11% from 2025 to 2035, much faster than the average for all occupations, with about 40,600 openings per year.

Source: BLS Occupational Outlook Handbook, Heating, Air Conditioning, and Refrigeration Mechanics and Installers, May 2025 data

Printable PDF

HVAC Technician Career Kit: 90-Day Action Plan

$12

90-day action plan with checkboxes
Documents checklist
12 interview questions with tips
Resume lines, common mistakes, 13-week tracker

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Frequently asked questions

How long does it take to become an HVAC technician?

A certificate program takes about 6 months to 1 year, and an associate degree about 2 years. Apprenticeships usually take 3 to 5 years but pay you the whole time. If your state requires a license, you may need a few years of experience before you can test.

How much does HVAC school cost?

Community college certificate programs often cost a few thousand dollars, while private trade schools can cost $15,000 or more. Apprenticeships and on-the-job training can cost little or nothing. Always ask for the total price, including tools and fees.

Can you become an HVAC technician without going to school?

Yes. Some people start as helpers and learn on the job, or join an apprenticeship. You still need to pass the EPA Section 608 exam to handle refrigerants, and some states require a license.

What is EPA 608 certification and do I need it?

It is a federal certification required to buy and handle most refrigerants. It has Core, Type I, Type II and Type III sections, and passing all of them gives you Universal certification. It does not expire.

How much do HVAC technicians make?

The median pay is $61,010 a year, according to BLS May 2025 data. The lowest 10% earn under $40,050 and the top 10% earn over $95,210. Overtime during peak heating and cooling seasons can add to your income.

Do HVAC technicians need a license?

It depends on where you work. Some states license technicians, some license only contractors, and some leave it to cities. Check your state licensing board or CareerOneStop's license finder.

What is the hardest part of being an HVAC technician?

Many techs say it is the working conditions: hot attics in summer, rooftops in winter and long hours in peak season. Electrical troubleshooting is also the skill that takes longest to learn well.

Is there an age limit for HVAC jobs?

Most programs require you to be at least 18, and there is no upper limit. Career changers are common in this trade. You do need to handle physical work like climbing ladders and lifting equipment.

Sources

Requirements vary by state and employer and can change. Confirm details with the official sources above before you spend money on training.

Steps to become an hvac technician

Finish high school or get your GED

Pick a training route

Complete HVAC training

Pass the EPA Section 608 exam

Get hired as an entry-level technician or helper

Get licensed if your state or city requires it

Add certifications and specialize