How to Get an HVAC License in California: A Step-by-Step Guide
Written by: HVAC Trade Schools Editorial Team • May 13, 2024
The climate and lifestyle in California create a continuous demand for heating, ventilation, and air conditioning (HVAC) services, making the profession of HVAC technicians not just relevant but crucial.
In this guide, we’ll walk you through every step needed to secure your HVAC license in California, from the foundational requirements to preparing for the examination.
This article serves as a roadmap for aspiring HVAC professionals, providing essential information on educational paths, examination tips, and the benefits of licensure, all aimed at empowering you to achieve your career goals in the HVAC industry.
Let’s embark on this journey to not only meet the standards but exceed them, fostering a career that thrives on expertise, integrity, and a commitment to the community’s well-being.
What Is an HVAC License?
An HVAC license is a formal recognition provided by state regulatory bodies that authorizes individuals to legally perform heating, ventilation, and air conditioning work.
In California, this licensure is particularly important due to the state’s specific climate conditions, environmental regulations, and the sophisticated needs of its population.
Holding an HVAC license in California signifies that a technician has met all required standards of knowledge, skill, and experience to install, maintain, and repair HVAC systems safely and effectively.
Types of HVAC Licenses in California
In California, the primary HVAC license is classified under the C-20 contractor classification. The C-20 HVAC Contractor License allows individuals to legally work on HVAC systems, offering services that range from installation and maintenance to repair and modification of residential, commercial, and industrial HVAC equipment.
This license is issued by the California State License Board (CSLB), which oversees the certification process and ensures that all licensed contractors adhere to the state’s high standards of professional conduct and expertise.
The Value of Being Licensed
Being licensed not only ensures compliance with California’s legal requirements but also instills confidence in clients and employers about a technician’s capabilities.
A licensed HVAC professional is seen as reliable, knowledgeable, and committed to upholding industry standards. This credibility can lead to higher income opportunities, increased job security, and a competitive edge in the job market.
Additionally, licensed professionals have access to continuous learning opportunities and can stay updated on the latest technologies and best practices in HVAC systems.
Obtaining an HVAC license in California is a clear indication of a technician’s dedication to their craft and their commitment to providing quality service. It opens the door to a wide range of career opportunities and positions you as a trusted expert in the field.
In the following sections, we’ll detail the steps required to achieve this valuable credential, ensuring you’re well on your way to becoming a certified HVAC professional in California.
Why Obtain an HVAC License in California?
Securing an HVAC license in California offers numerous benefits that extend far beyond mere compliance with state regulations.
This certification is a cornerstone for establishing a reputable and successful career in the HVAC industry. It not only serves as a badge of professionalism and expertise but also opens up a plethora of opportunities for personal and financial growth.
Legal Requirement and Credibility
In California, it is a legal requirement to hold an HVAC license for anyone who wishes to contract, perform, or advertise HVAC-related services.
This licensure ensures that all services provided meet the state’s stringent safety and quality standards, protecting consumers from substandard work.
Moreover, being licensed enhances your credibility significantly. Customers and employers are more likely to trust and choose a licensed HVAC technician over an unlicensed counterpart, recognizing the commitment to professionalism and mastery of the trade.
Access to Better Job Opportunities
With an HVAC license in California, technicians can access a broader spectrum of job opportunities, including higher-level positions that are not available to unlicensed individuals.
Many employers prioritize licensed professionals for their knowledge and adherence to industry standards, which can lead to more stable and lucrative employment options.
Furthermore, licensed technicians have the flexibility to start their own HVAC contracting business, expanding their career potential exponentially.
Financial Benefits
The financial benefits of obtaining an HVAC license in California are significant. Licensed professionals often command higher salaries than their unlicensed peers due to their verified skills and knowledge.
According to industry surveys and job postings, licensed HVAC technicians in California enjoy competitive salaries, comprehensive benefits, and opportunities for advancement. This financial incentive is a compelling reason for many to pursue licensure.
Professional Growth and Development
Holding an HVAC license opens up numerous avenues for professional growth and development.
Licensed technicians have access to ongoing education and training opportunities, keeping them at the forefront of HVAC technology and best practices.
This continuous learning not only enhances their skill set but also ensures they can provide the highest quality service to clients, further boosting their career trajectory.
Ensuring Safety and Quality
Lastly, the process of obtaining an HVAC license in California instills a deep understanding of safety practices, environmental regulations, and quality standards. This knowledge is crucial for protecting the well-being of technicians and clients alike and for promoting sustainability and efficiency in HVAC installations and repairs.
In conclusion, obtaining an HVAC license in California is more than just meeting a legal requirement; it’s about setting yourself up for success in a thriving industry. It offers a path to higher earnings, job security, professional respect, and the opportunity to contribute positively to public safety and environmental sustainability.
Basic Requirements for Obtaining an HVAC License in California
Before embarking on the path to obtaining an HVAC license in California, it’s crucial to understand the foundational requirements set by the California State License Board (CSLB). Meeting these prerequisites is the first step in a journey toward a rewarding career in the HVAC industry.
Here, we outline the basic eligibility criteria and essential steps involved in the process.
Age and Identification
- Minimum Age Requirement: Applicants must be at least 18 years of age to qualify for an HVAC license in California.
- Valid Social Security Number or ITIN: You must have a valid Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN) to apply.
Education and Experience
- Educational Background: There are no specific educational requirements to apply for an HVAC license, but having a high school diploma or GED can be beneficial. Relevant coursework and vocational training can also strengthen your application.
- Practical Experience: A critical requirement for obtaining an HVAC license in California is having at least four years of journey-level experience in the last ten years. This experience must be verifiable and can include work as a journeyman, foreman, supervising employee, or contractor.
Background Check
- Fingerprinting and Background Check: All applicants must undergo a fingerprinting process to complete a criminal background check. While a criminal history does not automatically disqualify you, the CSLB will consider the nature and severity of any offenses in relation to the qualifications for licensure.
Additional Requirements
- Application Fee: Applicants must pay a non-refundable application fee when submitting their application for licensure.
- Examination: Eligible candidates are required to pass a two-part examination covering HVAC trade knowledge and California law and business practices.
- Bond and Insurance: Once you pass the exams, you will need to obtain a contractor’s bond of $15,000 and worker’s compensation insurance if you have employees.
Understanding and preparing for these basic requirements are crucial steps in the process of obtaining your HVAC license in California.
Each of these elements ensures that licensed HVAC technicians possess the knowledge, experience, and integrity to perform high-quality work within the state.
The next sections of our guide will delve deeper into the educational paths, examination preparation, and other steps necessary to navigate the licensure process successfully.
Educational and Training Requirements
Pursuing an education and gaining hands-on training are pivotal steps toward obtaining an HVAC license in California. These experiences not only prepare you for the licensure examination but also equip you with the knowledge and skills necessary for a successful career in the HVAC industry.
Here, we explore the various educational paths and training opportunities available to aspiring HVAC technicians in California.
Vocational Schools and Community Colleges
Many vocational schools and community colleges across California offer specialized HVAC programs.
These programs typically range from six months to two years and cover a broad spectrum of topics, including:
- HVAC theory and principles
- Refrigeration and air conditioning technology
- Heating systems and controls
- Electricity for HVAC
- Ductwork and ventilation
- Energy efficiency and green technologies
Graduating from these programs often results in a certificate or associate degree in HVAC technology, providing a solid foundation for aspiring technicians.
Apprenticeship Programs
Apprenticeship programs combine classroom instruction with on-the-job training under the supervision of experienced HVAC professionals.
These programs can last between 3 to 5 years and are an excellent way to gain comprehensive, hands-on experience in the HVAC field. Apprenticeships are offered through various organizations, including:
- Local HVAC contractors and companies
- Trade unions, such as the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry
- Industry associations, like the Air Conditioning Contractors of America (ACCA)
EPA Section 608 Certification
One critical certification for any HVAC technician, regardless of state, is the EPA Section 608 Certification. This federal requirement certifies that technicians understand how to handle refrigerants safely.
The certification is divided into four types, depending on the systems a technician will work with, but at a minimum, anyone handling refrigerants must be certified.
Additional Certifications
While not mandatory for licensure in California, obtaining additional certifications can enhance your skills and marketability.
Organizations like North American Technician Excellence (NATE) and HVAC Excellence offer certifications in various specialties, including air conditioning, heat pumps, and gas heating.
Transitioning from Training to Licensure
After completing your education and training, the next step is to accumulate the required practical experience. As mentioned, California requires four years of journey-level experience to be eligible for the HVAC license exam.
Vocational programs, apprenticeships, and entry-level positions can contribute to this experience, provided they are documented and verifiable.
Gaining Relevant Experience
Acquiring the necessary hands-on experience is a crucial step in becoming a licensed HVAC technician in California.
This section delves into how aspiring professionals can gain the practical experience required for licensure, emphasizing the importance of documentation and the types of experience that are considered relevant by the California State License Board (CSLB).
Meeting the Experience Requirement
To qualify for the HVAC license examination in California, applicants must have at least four years of journey-level experience within the last ten years. This experience must demonstrate that the applicant has the skills and knowledge required to perform HVAC work competently.
Here are the primary ways to accumulate this experience:
1. Apprenticeships
Participating in an apprenticeship program is one of the most effective ways to gain comprehensive, hands-on experience in the HVAC field.
These programs, often sponsored by trade unions or professional associations, provide a mix of on-the-job training and classroom instruction.
Successfully completing an apprenticeship not only fulfills a significant portion of the experience requirement but also equips individuals with a deep understanding of HVAC systems and practices.
2. Working Under a Licensed Contractor
Another pathway to gaining the necessary experience is to work under the supervision of a licensed HVAC contractor.
This can include roles such as an HVAC technician, installer, or even a salesperson involved in technical aspects of HVAC work.
The key is that the work must involve active participation in installing, repairing, or maintaining HVAC systems.
3. Military Experience
For veterans with HVAC experience gained during service, the CSLB recognizes military experience towards the licensure requirements.
Applicants will need to provide verifiable documentation of their service and the nature of their work to have it considered.
Documentation of Experience
Proper documentation of your experience is critical for meeting CSLB’s requirements. This can include:
- Employment verification letters from licensed contractors or employers, detailing the scope of your work, the duration of your employment, and the specific HVAC tasks you performed.
- Pay stubs, tax returns, or W-2 forms that corroborate your employment history in the HVAC field.
- Certificates or transcripts from apprenticeship programs or educational courses related to HVAC technology.
Verifying Your Experience
The CSLB may require further verification of your experience, which could involve contacting your past employers or program supervisors.
In some cases, you may be asked to provide additional evidence or to clarify the details of your experience.
Being thorough and accurate in your documentation can facilitate a smoother verification process.
Gaining the right experience is not just about ticking a box for licensure; it’s about building the skills, knowledge, and confidence to excel in the HVAC industry.
The Application Process for the HVAC License in California
Navigating the application process for an HVAC license in California is a critical step towards achieving professional certification.
This process involves several key stages, from submitting your application to meeting insurance requirements.
Here, we detail each step to help you understand what to expect and how to prepare.
Step 1: Completing the Application
First, you’ll need to obtain and complete the application for the HVAC license (C-20) from the California State License Board (CSLB).
The application requires detailed information about your personal background, work experience, and any education or training relevant to HVAC work.
It’s crucial to fill out this application accurately and thoroughly, as any missing or incorrect information can lead to delays.
- Where to find the application: The application can be downloaded from the CSLB website at www.cslb.ca.gov .
Step 2: Application Fee
Upon completing the application, you will be required to submit it along with the current application fee.
This fee is non-refundable and covers the cost of processing your application and scheduling your examination.
- Fee amount and payment methods: The exact fee amount and acceptable payment methods are listed on the CSLB website and within the application packet.
Step 3: Proof of Experience
As part of the application, you must provide proof of your qualifying experience. This includes submitting documentation that verifies at least four years of journey-level experience within the last ten years.
Acceptable documentation can include employment verification letters, pay stubs, and certificates from relevant training programs, as previously discussed.
Step 4: Background Check and Fingerprinting
All applicants must undergo a criminal background check, which includes submitting fingerprints. This step is essential for ensuring the safety and integrity of the profession.
The CSLB provides detailed instructions on how to complete this process, including where to get fingerprinted and how to submit the information.
Step 5: Study and Prepare for the Examination
While waiting for your application to be processed, it’s a good idea to begin studying for the HVAC license examination.
The exam covers both HVAC-specific knowledge and California law and business practices related to contracting.
The CSLB offers study guides and references to help applicants prepare.
Step 6: Passing the Examination
Once your application is approved, you’ll be scheduled to take the HVAC license examination.
Passing this exam is a critical step in obtaining your license. The exam is divided into two parts: the trade exam and the law & business exam. You must pass both sections to qualify for licensure.
Step 7: Bond and Insurance Requirements
After passing the examination, you must meet the bond and insurance requirements set by the CSLB. This includes obtaining a contractor’s bond of $15,000 and, if applicable, workers’ compensation insurance for any employees.
Step 8: Issuance of Your HVAC License
Upon meeting all requirements and passing the examination, the CSLB will issue your HVAC license. This license is your key to practicing as a certified HVAC technician in California, opening the door to a wide range of professional opportunities.
Navigating the application process for an HVAC license in California requires attention to detail, thorough preparation, and a commitment to meeting all regulatory requirements.
By following these steps carefully, you can smooth the path toward achieving your professional certification and embarking on a rewarding career in the HVAC industry.
Preparing for the HVAC License Examination
Successfully passing the HVAC license examination is a pivotal step in obtaining your HVAC license in California. This comprehensive test evaluates your knowledge of HVAC systems, safety standards, and California-specific contracting laws.
Here’s how to prepare effectively for the examination, ensuring you’re well-equipped to achieve a passing score.
Understanding the Exam Format
The HVAC license examination in California is divided into two parts:
- Trade Examination (C-20): Focuses on your technical knowledge of HVAC systems, including installation, maintenance, repair, diagnostics, and safety procedures.
- Law and Business Examination: Tests your understanding of California contracting laws, business management, and financial management practices applicable to the construction industry.
Both sections are multiple-choice and administered in a computer-based format at various CSLB-approved locations throughout the state.
Study Materials and Resources
To prepare for the exam, take advantage of the following resources:
- CSLB Study Guides: The CSLB provides detailed study guides for both the trade and law and business sections of the exam. These guides outline the topics covered and recommend resources for study.
- Reference Books and Manuals: Compile a library of reference materials covering HVAC technical subjects, California building codes, and business management practices. The CSLB study guides list specific titles that are helpful for exam preparation.
- Online Courses and Workshops: Numerous online platforms offer courses and workshops designed to help you review technical concepts and familiarize yourself with the exam format.
- Practice Exams: Practice exams can be invaluable for testing your knowledge and improving your test-taking skills. They help you identify areas where you may need further study.
Study Plan
Create a structured study plan that allocates sufficient time to cover all the topics outlined in the CSLB study guides. A well-organized plan should:
- Break down study sessions: Focus on specific topics in each session to avoid becoming overwhelmed.
- Schedule regular review sessions: Regularly review material you’ve already studied to reinforce your knowledge.
- Allow for practice exams: Incorporate practice exams into your study schedule to familiarize yourself with the exam format and timing.
Exam Registration and Scheduling
Once your application has been processed and approved by the CSLB, you’ll receive notification to schedule your exam. Pay close attention to the following:
- Choose a convenient location and time: The CSLB offers several testing locations throughout California. Select a date and site that gives you enough time to prepare and is convenient for you to reach.
- Follow the instructions for exam day: The notification from the CSLB will include specific instructions for exam day, including what to bring and when to arrive. Make sure to review these instructions carefully to avoid any issues on the day of the test.
On the Day of the Exam
- Arrive early: Give yourself plenty of time to find the testing center and settle in.
- Bring necessary documentation: Make sure you have any required identification or authorization letters from the CSLB.
- Stay calm and focused: Read each question carefully and manage your time effectively. Remember, you’ve prepared for this, and it’s your opportunity to demonstrate your knowledge and skills.
Successfully passing the HVAC license examination requires thorough preparation and a strategic approach to studying.
By utilizing available resources, creating a detailed study plan, and understanding the exam format, you can confidently navigate the testing process and move one step closer to achieving your HVAC license in California.
Taking the HVAC License Exam
Successfully navigating the HVAC license examination is a critical milestone in securing your HVAC license in California.
This section will guide you through what to expect on the day of the exam, offering strategies to maximize your performance and achieve a passing score.
Before the Exam Day
- Confirm your exam appointment: Double-check the date, time, and location of your examination. Ensure you know the route and any parking details to avoid last-minute stress.
- Gather necessary documents: Prepare all required identification and authorization letters from the CSLB well in advance. Check the CSLB’s guidelines to ensure you bring exactly what’s needed.
- Review key topics: Spend the last few days before the exam reviewing your notes, especially on topics you find challenging. However, try to avoid cramming the night before to ensure you are rested for the exam.
On the Day of the Exam
- Arrive early: Aim to arrive at the testing center at least 30 minutes before your scheduled exam time. This allows for any last-minute issues and helps you to settle in.
- Dress comfortably: Choose comfortable clothing, considering the testing center may have a different temperature than you expect.
- Bring permissible items only: Check the CSLB’s exam instructions for what you can bring into the testing room. Typically, personal items like phones, bags, and notes are not allowed.
During the Exam
- Carefully read each question: Take your time to understand what each question is asking. Look out for keywords and specifics that may affect the answer.
- Manage your time: Be aware of the time allocated for the exam and pace yourself. If you encounter difficult questions, mark them and move on, then return to them if you have time left at the end.
- Use elimination techniques: If you’re unsure about a question, try to eliminate obviously wrong answers to increase your chances of choosing the correct one.
- Stay calm and focused: Keeping a calm and positive mindset can greatly improve your performance. If you start to feel overwhelmed, take a moment to breathe deeply and refocus.
After the Exam
- Exam results: Depending on the testing facility, you may receive your results immediately after completing the exam or within a few weeks via mail.
- If you pass: Celebrate your achievement! You will receive instructions on the next steps to officially obtain your HVAC license, including bond and insurance requirements.
- If you need to retake the exam: Don’t be discouraged. Review the sections where you need improvement and plan to retake the exam. The CSLB allows for reexamination, though you may need to wait a specific period and possibly pay a reexamination fee.
Successfully passing the HVAC license exam requires preparation, strategy, and a positive mindset.
By following these tips and staying focused on your goal, you can navigate the examination process with confidence.
Achieving a passing score is a significant step towards your career as a licensed HVAC technician in California, opening doors to numerous professional opportunities and advancements.
After Passing the Exam: Next Steps
Congratulations on passing your HVAC license exam in California! This accomplishment marks a significant milestone in your journey to becoming a licensed HVAC technician. However, passing the exam is just one part of the process.
Here are the essential steps you need to take to officially obtain your license and begin your professional journey in the HVAC industry.
Submitting the Required Documents
After passing the exam, you will need to submit additional documentation to the California State License Board (CSLB) if you haven’t done so already. This may include:
- Proof of Bond: You must obtain a contractor’s bond of $15,000. The bond serves as a financial assurance to the CSLB and your clients that you will adhere to the licensing laws and regulations.
- Insurance: If you plan to hire employees, California law requires that you obtain workers’ compensation insurance. This insurance protects you and your employees in case of work-related injuries.
Paying the Licensing Fee
Once your documentation is approved, you will be required to pay the initial licensing fee to the CSLB. The amount and payment methods are detailed in the instructions provided by the CSLB following your exam.
Ensure you pay this fee within the specified timeframe to avoid delays in issuing your license.
Receiving Your License
After submitting all required documents and fees, the CSLB will issue your HVAC license. This license allows you to legally operate as an HVAC contractor in California.
You will receive a license number, which should be included in all your business communications and advertising.
Maintaining and Renewing Your License
Your HVAC license is valid for two years from the issue date. To maintain your license, you must:
- Renew on Time: Submit your renewal application and fee before your license expires to avoid lapsing and potential reinstatement fees.
- Continuing Education: While California does not currently require continuing education for HVAC license renewal, staying informed about the latest technologies, safety standards, and regulations in the HVAC industry is beneficial.
Expanding Your Professional Network
Joining professional organizations, such as the Air Conditioning Contractors of America (ACCA) or the Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), can provide valuable resources, continuing education opportunities, and networking events to help grow your business and stay connected with industry trends.
Marketing Your HVAC Business
With your license in hand, you can now focus on building and marketing your HVAC business. Consider creating a website, utilizing social media, and engaging in local advertising to promote your services.
Building a strong reputation through quality work and customer service is key to your success.
Securing your HVAC license is just the beginning of a rewarding career in the HVAC industry.
By following these post-exam steps and committing to ongoing professional development, you can ensure a long and prosperous career as a licensed HVAC technician in California.
The Role of Professional Organizations
Joining professional organizations plays a crucial role in the career development of HVAC technicians in California.
These associations offer a wealth of resources, networking opportunities, and professional development programs that can significantly enhance your career prospects, credibility, and knowledge base.
Here’s why involvement in professional organizations is beneficial for licensed HVAC technicians.
Networking Opportunities
Professional organizations bring together HVAC professionals from various backgrounds and levels of experience. Membership provides a platform to connect with peers, mentors, and industry leaders.
These connections can lead to job opportunities, partnerships, and valuable exchanges of knowledge and ideas.
Continuing Education and Training
Staying abreast of the latest technologies, regulations, and best practices in the HVAC industry is essential for maintaining professionalism and compliance.
Many organizations offer workshops, seminars, and online courses that count towards continuing education credits and help members keep their skills sharp and certifications current.
Access to Industry Resources
Members of professional HVAC organizations gain access to a wide range of resources, including technical publications, industry research, and best practice guides.
These resources are invaluable for staying informed about industry trends and innovations.
Advocacy and Representation
Professional organizations advocate on behalf of their members and the HVAC industry as a whole. They work to influence policy decisions, regulations, and standards that impact the profession, ensuring the interests of HVAC professionals are represented and protected.
Professional Credibility
Membership in recognized professional organizations enhances your credibility in the eyes of employers, clients, and peers. It signals a commitment to professional development, ethical standards, and quality workmanship.
Examples of Professional HVAC Organizations
Several reputable organizations serve HVAC professionals in California and nationwide, including:
- Air Conditioning Contractors of America (ACCA): Provides members with educational resources, advocacy, and industry insights to promote professional growth and business success.
- Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA): Offers technical resources, industry standards, and business solutions for HVAC contractors and sheet metal fabricators.
- Refrigeration Service Engineers Society (RSES): Focuses on education and certification for HVACR professionals, enhancing their expertise in service and repair.
Membership in these or other relevant organizations can be a significant asset to your HVAC career, offering support and opportunities for growth throughout your professional journey.
In embarking on your career as a licensed HVAC technician in California, remember that your learning and development don’t stop at licensure.
Engaging with professional organizations can elevate your career, keep you at the forefront of the industry, and connect you with a community of professionals committed to excellence in the HVAC field.
Empowering Your HVAC Career in California
Securing an HVAC license in California is a testament to your dedication, expertise, and commitment to excellence in the HVAC industry.
This comprehensive guide has walked you through each step of the process, from understanding the requirements and obtaining the necessary education and experience, to navigating the application process and beyond.
Remember, obtaining your license is just the beginning of a rewarding career path filled with opportunities for growth, professional development, and making a significant impact in the comfort and safety of Californians.
We encourage you to take the next step in your professional journey today. Start by reviewing the requirements, enrolling in an educational program, or gaining the hands-on experience you need.
Your future as a licensed HVAC technician in California is bright, and the demand for skilled professionals in this field has never been higher. Take action now to build a fulfilling career that not only meets but exceeds your professional goals.
Frequently Asked Questions (FAQs)
Q: How long does it take to get an HVAC license in California?
A: The time it takes can vary depending on your educational path and how quickly you accumulate the required four years of experience.
Once you apply, processing times for the application and scheduling of exams can also vary, so it’s advisable to check the current timelines with the CSLB.
Q: Can I apply for an HVAC license if I have a criminal record?
A: Yes, having a criminal record does not automatically disqualify you from obtaining an HVAC license in California. The CSLB considers the nature of the offense, how much time has passed, and evidence of rehabilitation.
Q: Are there any ongoing requirements after I get my HVAC license?
A: Yes, you’ll need to renew your license every two years, which involves paying a renewal fee. While California does not currently require continuing education for HVAC license renewal, staying informed about industry trends and advancements is beneficial.
Q: What’s the difference between the EPA Section 608 Certification and the California HVAC license?
A: The EPA Section 608 Certification is a federal requirement for anyone handling refrigerants and is focused on environmental safety. The California HVAC license (C-20) allows you to legally work as an HVAC contractor in the state, covering a broader range of HVAC systems and practices.
Q: Can I work anywhere in California with an HVAC license?
A: Yes, once you obtain your C-20 HVAC license from the CSLB, you are authorized to work as an HVAC contractor throughout California.