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Louisiana Mechanical Contractor License and Exam Prep
Mechanical Contractor Licensing & Exam Prep
Louisiana issues multiple types of Contractor licenses. The Mechanical Contractor license is valid for all Mechanical projects within the state, and licenses are required for any project totaling $10,000 or more. Some Mechanical projects involving plumbing, gas piping, and boilers may require additional licenses or licensed professionals. Louisiana also offers a Heat, A/C, Ventilation, Duct Work & Refrigeration License subclassification for individuals planning to work on HVAC and refrigeration systems only. The Business and Law course must be completed prior to the trade exam. The state does not require continuing education for this license.
Our exam prep is designed to help you pass your test the first time, and is backed with our no pass, no pay policy. All of our courses are available from almost any device, any time. We hope that you will make RocketCert your home to help you obtain your Louisiana Mechanical Contractor License or Heat, A/C, Ventilation, Duct Work & Refrigeration License
Attention: Starting August 6, 2025, all Louisiana contractor licensing exams will be administered by PSI Exams and will now be open book. Our materials and references have been updated for these new exams.
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$299Online
Exam Prep -
$1182$1089Heat, A/C, Vent & Refrigeration
Prep, Books, Tabs Bundle -
$1976$1809Mechanical Work
Prep, Books, Tabs Bundle
What type of work can be done with this license?
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Mechanical Contractor License
Mechanical Contractors are licensed to undertake hydraulic and pneumatic system projects, including such components as heating, ventilation, air conditioning, refrigeration, hydronic and steam systems, pressure vessels, plumbing, gas piping, process piping, mechanical equipment, air and process heaters and seals, and air vacuums and filters. Also includes mechanical work for marine vessels. Licensees are exempt from all Fire Marshal licensing requirements for piping for fire sprinkler systems
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Heat, A/C, Ventilation, Duct Work & Refrigeration
The Heat, A/C, Ventilation, Duct Work & Refrigeration subclassification allows for the installation, maintenance or repair of air conditioning, ventilation, refrigeration, coolers, freezers, and ice rinks. A license is required when the value exceeds $10,000.
What are the requirements to getting a license?
Mechanical Contractor Requirements- Provide a financial statement affidavit showing a minimum of $10,000 net worth (must be current within 12 months of application).
- Submit a complete Commercial Application with classification. Once application is received, the Qualifying Party will receive exam information.
- Complete the Business and Law Course
- Pass the Mechanical exam through PSI Exams.
Heat, A/C, Ventilation, Duct Work & Refrigeration Requirements- Provide a financial statement affidavit showing a minimum of $10,000 net worth or a bond/letter of credit.
- Submit a complete Commercial Application with classification. Once application is received, the Qualifying Party will receive exam information.
- Complete the Business and Law Course
- Pass the Heat, A/C, Ventilation, Duct Work & Refrigeration exam through PSI Exams.
How do I obtain a license?
To apply for your license, contact the Louisiana State Licensing Board (LSLBC) at 225-765-2301 or visit their website.
The state does not require continuing education prior to renewal. Louisiana has reciprocity agreements with Alabama, Georgia, Mississippi, Nevada, Ohio, South Carolina, Tennessee, and Utah.
With RocketCert, our education is written by a combination of professional educators and industry professionals. Our exam prep is guaranteed to help you pass the exam, and is backed with our no pass, no pay policy. We pride ourselves on providing industry leading customer service. Also, if you find a better original price on any online course that we offer, we will beat it by 10%.
The Louisiana State Licensing Board (LSLBC) requires applicants to submit the Commercial Application with Classification in order to receive pre-authorization to sit for the exams.
Preparing to pass the State exam is a critical part of the licensing process. Failing the exam can result in substantial delays before you are able to work under your license. We offer industry leading exam prep and all of the required books, at an unbeatable price.
After studying with RocketCert, you will be on your way to passing the required State exam(s) (see below). The Business and Law course must be completed before taking the Mechanical Work exam. Pre-approval is required from the testing agency prior to scheduling the exam
After completing all the steps above, it will be time to apply through LSLBC to obtain your Louisiana Mechanical Contractor License.
APPLICATION ASSISTANCE
Need help applying for your Louisiana Mechanical Contractor License? Receive professional assistance with your Louisiana Mechanical Contractor License or your Heat, A/C, Ventilation, Duct Work & Refrigeration License application through our Application Processing Program designed to streamline & simplify the process to help avoid delays.
Which exam do I need to take?
After submitting the Commercial Application with Classification, the Qualified Party will receive information on scheduling an exam from PSI.
Mechanical Work Exam
- Total Questions: 100
- Passing Score: 70% correct
- Time: 240 minutes
- OPEN BOOK
Topics include: Boilers and Hydronics; Gas Systems; Cleanouts; Plumbing Fixtures & Equipment; Water Heater; Piping, valves, controls; Sheet Metal and Ducts; Water Supports; Drain, Waste, and Vent; Backflow; Traps and Interceptors; Developed Length; Isometric Analysis; Safety; Joints and Connections; General Plumbing Regulations; Fire Sprinklers; Refrigerants and Refrigeration; Heating and Cooling Principles; Load Calculations; Testing, Adjusting and Balancing; HVAC Equipment
Heat, A/C, Ventilation, Duct Work & Refrigeration Exam
- Total Questions: 50
- Passing Score: 70% correct
- Time: 120 minutes
- OPEN BOOK
Topics include: Electrical Knowledge, Motors and Controls; Piping - Refrigeration, Hydronic, Steam, Process; Heating and Cooling Principles, Theory and Equipment; Refrigerants and Refrigeration; Fuel and LP Gas; Combustion Air, Chimneys, Flues and Vents; Ducts, Ventilation and Exhaust; Load Calculations
- Online Course
- No Time Limit
Topics include: Contractor's Licensing Law; Bidding and Estimating; Contract Management; Financial Management; Jobsite Safety; Tax Basics
Note: The Louisiana State Licensing Board for Contractors now requires completion of a Business and Law course, rather than a separate exam. To take the online course, you must create an account and apply via the Louisiana State Licensing Board for Contractors website.
How do I pass the exam?
The Louisiana Mechanical Work exam is open book. The references below may be written in, highlighted, tabbed, and using during the exam! Unfortunately, our online course is NOT permitted to be accessed during the State exam.
The exam prep includes math, plan reading, highlighting guides covering the topics your exam is based on, practice questions for each references, and unlimited attempts on our "test simulation".
Online Exam Prep Includes:
- Calculation Lessons - Here, we teach you load calculations for sizing HVAC ducts, and heating & cooling systems.
- Highlighting Guides - Introduce the critical information in your book(s). This will familiarize you with each book’s content and its layout.
- Quizzes - These practice quizzes are based on each individual book/reference. They reinforce key concepts.
- Test Simulation / Practice Exam - Comprehensive exams randomly generated from our database of questions. Test simulations are restricted by time, and hints are disabled. Test simulations are as close to the real exam as you can get.
- Guide to Tabbing - This section includes tabbing books and other test taking strategies to keep calm and focused during the exam.
Attention: Starting August 6, 2025, all Louisiana contractor licensing exams will be administered by PSI Exams and will now be open book. Our materials and references have been updated for these new exams.
Louisiana Mechanical Work - Bundle
Includes the following:
- Louisiana Mechanical Work - Online Exam Prep
- All the books to use during the exam
Plus the following:
- Permanent/Pre-Printed Tabs
- Free Shipping!
- Instructor Support
- No Pass No Pay Policy
- Lifetime Access from nearly any device
Please note: this exam prep course is designed for PSI's Mechanical Work exam that will be availible starting 8/6/2025.
Louisiana Heat, Air Conditioning, Ventilation, Duct Work and Refrigeration Bundle
Includes the following courses:
- Louisiana Heat, Air Conditioning, Ventilation, Duct Work & Refrigeration Online Exam Prep
Plus the following:
- All the books to use during the exam
- Free Shipping!
- Instructor Support
- No Pass No Pay Policy
- Lifetime Access from nearly any device
Please note: this exam prep course is designed for PSI's Mechanical Work exam that will be availible starting 8/6/2025.
Louisiana Heat, Air Conditioning, Ventilation, Duct Work and Refrigeration Exam Prep
Louisiana Mechanical Work - Online Exam Prep
Below you can find the list of references the Louisiana Mechanical Work exam is be based on:
OSHA 1926
Modern Refrigeration and Air Conditioning
2018 International Fuel and Gas Code
SMACNA Duct Construction Standards Metal and Flexible
Manual N - Commercial Load Calculation for Small Commercial Buildings
2018 International Mechanical Code
2018 International Plumbing Code
NFPA 58: Liquefied Petroleum Gas Code 2011
NFPA 13: Standard for the Installation of Sprinkler Systems, 2010
ACCA Duct Calculation Slide Rule
Manual D - Residential Duct Systems, 3rd Edition
Pipefitters Handbook
11-12 Book Tab Bundle
Permanent Blank Tabs - 375 Pack
Why should I choose RocketCert?
At RocketCert, we strive to be the best (while having fun in the process). This means having not only the best quality of education, but also industry leading technology. Best yet, we are here for you 7 days a week. Have a question or comment? Give us a call or contact us to send us a message. Ready to begin? Select from the training below and start immediately. Of course, you can resume later!
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Our education is written by industry experts. We believe in helping you with your career, and that help begins with offering best in class education.
We are here for you. Have a question? Need support? Our team is available 7 days a week for technical support. We pride ourselves in taking care of you.
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