Mississippi HVAC Contractor Exam Prep, Books, Rentals, Training, and Licensing Guide

Becoming a Mississippi HVAC Contractor requires technical knowledge, organized exam preparation, accurate licensing paperwork, and strong open-book reference skills. HVAC contractors work with heating equipment, air conditioning systems, heat pumps, fuel gas, ventilation, ductwork, refrigerants, controls, load calculations, piping, insulation, supports, combustion air, hydronic systems, and related safety requirements. A candidate may have years of field experience and still need focused practice because the licensing exam asks the person to move quickly between codes, technical manuals, tables, formulas, and system rules.

The New Mississippi HVAC Contractor collection includes seven preparation options. Candidates can choose a self-paced online course, live virtual training, standard reference books, professionally highlighted and tabbed books, a six-month rental package, a one-year ultimate rental package, or an all-inclusive exam, licensing, and business setup solution. Each Mississippi HVAC Contractor product serves a different need, so the best option depends on the books and support the candidate already has.

The Mississippi State Board of Contractors describes Heat, Ventilation, A/C - HVAC as a test-required specialty classification. Its scope includes installation, maintenance, repair, fabrication, alteration, and extension of heating, ventilation, and air conditioning systems. The classification also includes associated HVAC equipment, ductwork, duct cleaning, industrial air systems for dust control, ventilation systems, and related work.

The current Mississippi HVAC Contractor examination contains 80 questions, requires a score of 70 percent, and allows four hours. The exam is open book. Candidates must bring the approved references and comply with PSI rules for highlighting, permanent tabs, editions, calculators, loose papers, and writing in books. This guide compares every product in the collection and explains how to prepare for the technical and administrative parts of becoming a Mississippi HVAC Contractor.

Understanding the Mississippi HVAC Contractor Exam

The current Mississippi HVAC Contractor exam covers a wide range of system topics. The content outline includes piping, insulation, hangers and supports, sound and vibration control, heating and cooling principles, refrigeration and refrigerants, load calculations, testing and balancing, controls, air conditioning equipment, heat pumps, furnaces, heaters, chimneys, flues, vents, combustion air, fuel gas, LP gas, ducts, boilers, hydronics, machine rooms, evaporative cooling, and safety. Load calculations and ducts are two of the largest areas, while fuel gas and refrigeration also carry significant weight.

The current approved reference list includes Modern Refrigeration and Air Conditioning, OSHA construction regulations, the 2021 International Fuel Gas Code, the third edition of SMACNA HVAC Duct Construction Standards, ACCA Manual N, the 2021 International Mechanical Code, NFPA 58, an ACCA Ductulator, ACCA Manual D, the Pipefitters Handbook, and ACCA Manual J. PSI states that beginning August 1, 2026, the twentieth and twenty-first editions of Modern Refrigeration and Air Conditioning will no longer be used, so candidates should verify their edition before testing.

The Mississippi HVAC Contractor examination allows four hours for 80 questions. That provides an average of three minutes per question, but some calculations and code searches may take longer. Candidates should answer familiar questions efficiently so they have enough time for load calculations, duct sizing, fuel gas tables, refrigeration questions, and code exceptions.

Current PSI rules allow approved books to be highlighted, underlined, and indexed with permanent tabs before the exam. Temporary tabs, loose papers, attached sheets, and writing in the references during testing are prohibited. Candidates may use a silent, nonprinting, non-programmable calculator. Official PSI instructions control when older study advice conflicts with the current bulletin.

Mississippi HVAC Contractor - Online Exam Prep Course

The Mississippi HVAC Contractor - Online Exam Prep Course starts at a sale price of $295, compared with a regular price of $395. This option is designed for candidates who already own the approved references or plan to purchase the books separately. Candidates should review the live product page for current variants, pricing, course-access terms, and availability.

The Mississippi HVAC Contractor - Online Exam Prep Course provides flexible training for working technicians, installers, service professionals, supervisors, and company owners. A candidate can study heating systems one day, work through duct sizing another day, and spend additional time on fuel gas, controls, or refrigeration when those subjects need more attention. Online access makes it easier to build preparation around service calls, construction schedules, emergency repairs, and family responsibilities.

The course should be used with the physical exam references whenever possible. Watching a lesson about load calculations is helpful, but the candidate also needs to find the related procedure in Manual J or Manual N. Reviewing a duct lesson can improve understanding, but open-book success requires practice with the Ductulator, Manual D, SMACNA standards, and mechanical code. Every online lesson should lead to hands-on reference navigation.

The Mississippi HVAC Contractor - Online Exam Prep Course may be the best-value choice for a self-directed learner who already has the correct books. It can also support a candidate who completed formal HVAC training but needs exam-focused practice. The course is less suitable for someone who still needs a complete reference set, professional book preparation, application guidance, or live instructor support.

Mississippi HVAC Contractor Exam Complete Highlighted & Tabbed Book Package

The Mississippi HVAC Contractor Exam Complete Highlighted & Tabbed Book Package is listed at a sale price of $2,295, compared with a regular price of $2,595. It provides the required Mississippi HVAC Contractor reference books with important sections highlighted and permanent tabs installed for faster open-book navigation.

The Mississippi HVAC Contractor reference list is large, and each book serves a different purpose. Modern Refrigeration and Air Conditioning supports system principles, equipment, components, controls, refrigeration, and service knowledge. The International Mechanical Code covers installation and mechanical code requirements. The International Fuel Gas Code and NFPA 58 address fuel gas and LP gas. ACCA manuals support residential and small commercial load calculations and duct design, while SMACNA addresses duct construction.

The Mississippi HVAC Contractor Exam Complete Highlighted & Tabbed Book Package saves preparation time for candidates who want to own their references but do not want to build a tab and highlighting system from the beginning. This can be useful for contractors who work long hours, manage several employees, or need to begin timed practice quickly. Prepared books can also reduce the risk of creating an overcrowded or inconsistent tab system.

Highlighted and tabbed references do not replace study. A candidate must still know whether a question belongs in the mechanical code, fuel gas code, SMACNA standard, ACCA manual, refrigeration textbook, OSHA book, or Pipefitters Handbook. Use the prepared Mississippi HVAC Contractor books in repeated timed drills until the candidate can move between subjects without confusion.

Mississippi HVAC Contractor Exam Prep - Live Virtual + Self Study Training

The Mississippi HVAC Contractor Exam Prep - Live Virtual + Self Study Training is listed at a sale price of $595, compared with a regular price of $795. The program combines live instructor-led virtual classes, recorded replays, and the full self-paced Mississippi HVAC Contractor online course.

The current product description includes one year of live virtual class access, one year of self-study course access, recorded class replays, practice exams, online training tools, and 24-hour access from a computer, tablet, or mobile device. Live classes include instructor explanations, questions and answers, exam strategy discussions, and real-world examples involving HVAC, refrigeration, duct systems, fuel gas, load calculations, and mechanical codes.

This Mississippi HVAC Contractor training option may be especially useful for candidates whose experience is concentrated in one part of the trade. A service technician may understand refrigeration diagnostics but need more help with duct design and load calculations. An installer may understand equipment and ductwork but need more practice with fuel gas codes, hydronics, or controls. Live instruction can make unfamiliar topics easier to connect with field experience.

The training does not replace the approved books. Candidates should have access to the current Mississippi HVAC Contractor references and follow along during class. When the instructor discusses Manual J, the candidate should locate the method in Manual J. When the lesson covers duct construction, the candidate should open SMACNA. This active process builds the reference skills needed for the open-book exam.

The 1 Package: All-Inclusive Mississippi HVAC Contractor Exam, Licensing & Business Setup Solution

The 1 Package: All-Inclusive Mississippi HVAC Contractor Exam, Licensing & Business Setup Solution is listed at a sale price of $3,795, compared with a regular price of $4,295. The current pricing breakdown lists a service and preparation cost plus a $1,100 refundable book deposit when the books are returned in similar condition within one year.

The 1 Package is the broadest Mississippi HVAC Contractor option in the collection. It combines exam preparation, business and law education, prepared rental references, licensing application support, and listed business formation assistance. It is designed for a candidate who wants help moving from technical experience to exam readiness, license application, and organized business setup.

This package may be useful for a technician, installer, foreman, service manager, or project supervisor who wants to become a business owner. An experienced HVAC professional may know how to install heat pumps, replace compressors, size ductwork, troubleshoot controls, and commission equipment while still being unfamiliar with entity formation, contractor applications, financial documents, tax registration, qualifying-party responsibilities, and business compliance.

The 1 Package does not guarantee examination success, application approval, or license issuance. MSBOC determines eligibility and licensing, PSI administers examinations, and other agencies control business registrations. Candidates should review the current product terms, government fees, rental conditions, included services, and business setup details before ordering.

Mississippi HVAC Contractor Ultimate Exam Prep Rental Package

The Mississippi HVAC Contractor Ultimate Exam Prep Rental Package is listed at a sale price of $3,095, compared with a regular price of $3,395. The current product page lists a $1,995 package amount plus a $1,100 refundable deposit when the books are returned in similar condition within the one-year rental period.

The Mississippi HVAC Contractor Ultimate Exam Prep Rental Package includes the required reference books prepared with highlights and permanent tabs, online self-study training, live virtual classes, recorded instruction, and application assistance. The one-year rental period can help candidates who need extra time to complete the application, receive eligibility, study around work demands, and schedule the examination.

The listed reference set includes Modern Refrigeration and Air Conditioning, OSHA, the International Fuel Gas Code, SMACNA HVAC Duct Construction Standards, Manual N, the International Mechanical Code, NFPA 58, an ACCA Ductulator, Manual D, the Pipefitters Handbook, and Manual J. Candidates should verify the current approved editions before testing, especially because PSI has announced a change affecting older editions of Modern Refrigeration and Air Conditioning.

This Mississippi HVAC Contractor package may be a strong choice for a first-time applicant who wants prepared books, training, and licensing guidance but does not need the full business formation support included with The 1 Package. Candidates should protect the rental books, follow the return conditions, keep shipment records, and return the complete set by the stated deadline to qualify for the deposit refund.

Mississippi HVAC Contractor - Book Rental Package

The Mississippi HVAC Contractor - Book Rental Package starts at a sale price of $2,645, compared with a regular price of $2,945. The current product options include a self-study rental choice and an upgraded selection with live and recorded classes for an additional cost.

The current base pricing lists a $1,545 package amount plus a $1,100 refundable deposit when the books are returned in similar condition within six months of receipt. The Mississippi HVAC Contractor - Book Rental Package includes highlighted and tabbed books for the business and trade exams, a Law and Business Management online course, a Mississippi HVAC Contractor online course, and six months of rental and course access.

This package may be a practical choice for a candidate who wants prepared books and structured online training without paying to own the entire reference library. It can also help someone who expects to complete the application and examination within six months. Candidates with an uncertain eligibility timeline should compare the six-month rental with the one-year option before ordering.

The Mississippi HVAC Contractor - Book Rental Package does not include the same level of application support as the Ultimate Rental Package. It is best for candidates who can manage licensing paperwork independently or already have help with the application. Review the current product page for processing time, rental conditions, deposit terms, course access, live-class options, and book return instructions.

Mississippi HVAC Contractor Exam Book Package

The Mississippi HVAC Contractor Exam Book Package is listed at a sale price of $1,745, compared with a regular price of $1,995. It provides the Mississippi HVAC Contractor trade references in standard format for candidates who want to own the books and prepare them independently.

The Mississippi HVAC Contractor Exam Book Package may be the best ownership value for a disciplined candidate with enough time to read, highlight, and permanently tab every reference. Preparing books takes work, but the process can become part of the study plan. Each time the candidate marks a table, places a tab, or reads a code exception, that person develops a stronger memory of the book layout.

Begin by assigning a main purpose to every Mississippi HVAC Contractor reference. Use Modern Refrigeration and Air Conditioning for system principles, refrigerants, equipment, controls, and service knowledge. Use the International Mechanical Code for mechanical installation rules, the International Fuel Gas Code for fuel gas, NFPA 58 for LP gas, SMACNA for duct construction, Manual D for residential duct design, Manual J for residential loads, Manual N for small commercial loads, OSHA for safety, and the Pipefitters Handbook for piping information.

The Mississippi HVAC Contractor Exam Book Package can also remain useful after the licensing exam. Contractors may use technical books for estimating, training, system planning, field coordination, code review, and troubleshooting. The governing project code or adopted edition may differ from the exam edition, so the contractor should confirm current requirements before using an exam reference on a project.

Choosing the Right Mississippi HVAC Contractor Package

Choose the Mississippi HVAC Contractor - Online Exam Prep Course when you already own the current references and prefer flexible self-paced study. Choose the Live Virtual + Self Study Training when you want instructor support, class recordings, online practice, and a structured one-year learning program but will obtain the books separately.

Choose the Mississippi HVAC Contractor Exam Book Package when you want to own the standard references and can organize them yourself. Choose the Complete Highlighted & Tabbed Book Package when you want to own professionally prepared references and save book setup time.

Choose the Mississippi HVAC Contractor - Book Rental Package when you want prepared books and online courses for six months without application support. Choose the Ultimate Exam Prep Rental Package when you also want live classes, recorded instruction, application assistance, and a one-year rental. Choose The 1 Package when you need the broadest support, including exam preparation, licensing assistance, and listed business setup services.

How to Study for the Mississippi HVAC Contractor Exam

Begin With a Reference Map

Create a written reference map during study, but do not plan to take a loose sheet into the exam. List every major subject and the most likely book. Place refrigeration and equipment beside Modern Refrigeration and Air Conditioning, ducts beside SMACNA and Manual D, residential loads beside Manual J, commercial loads beside Manual N, fuel gas beside the International Fuel Gas Code, LP gas beside NFPA 58, and installation rules beside the International Mechanical Code.

Practice selecting the correct book before searching for an answer. Open-book speed begins with recognizing where the information belongs. A candidate who starts every question by searching the largest book will lose valuable time.

Study Load Calculations

Load calculations account for 10 questions, the largest individual category. Study heat gain, heat loss, indoor and outdoor design conditions, building orientation, insulation, windows, infiltration, ventilation, occupants, lighting, equipment, duct losses, and system sizing. Learn the difference between a residential Manual J calculation and a small commercial Manual N calculation.

Practice complete calculations and table searches. Write units beside each value and confirm that the final result is reasonable. Oversized equipment can short cycle, reduce humidity control, waste energy, and create comfort problems, while undersized equipment may fail to maintain design conditions.

Study Duct Design and Construction

Ducts account for 10 questions. Review airflow, velocity, friction, equivalent length, fittings, pressure loss, duct sizing, return air, supply air, sealing, insulation, supports, flexible duct, access, fire and smoke protection, and construction standards. Practice using the ACCA Ductulator and Manual D together.

Understand the difference between sizing a duct system and constructing it. Manual D supports design, while SMACNA provides construction standards for metal and flexible ducts. The International Mechanical Code adds installation and code requirements. A single duct question may require the candidate to identify which part of the problem is being tested.

Study Fuel Gas and LP Gas

Fuel gas and LP gas together account for 14 questions. Study pipe sizing, demand, developed length, allowable pressure drop, materials, joints, appliance connections, shutoff valves, regulators, testing, purging, combustion air, venting, clearances, and equipment location. Learn to use the correct sizing table for the gas, pressure, and piping method described.

Do not confuse natural gas and LP gas requirements. NFPA 58 addresses LP gas storage and handling, while the International Fuel Gas Code covers many fuel gas installation subjects. Read question details carefully before choosing a reference or table.

Study Refrigeration and Equipment

Review the refrigeration cycle, compression, condensation, expansion, evaporation, superheat, subcooling, refrigerant properties, oils, recovery, charging, components, controls, and troubleshooting. Study air conditioning equipment, heat pumps, furnaces, boilers, hydronics, evaporative cooling, and machine rooms.

Connect system principles with actual components. Understand what happens to pressure, temperature, and refrigerant state through the compressor, condenser, metering device, and evaporator. Learn how airflow, dirty coils, restrictions, incorrect charge, failed controls, and outdoor conditions affect performance.

Complete Timed Practice

Begin with 20-question drills and allow one hour. Then complete 40 questions in two hours before attempting a full 80-question simulation in four hours. Use only the references, permanent tabs, calculator, and materials permitted by PSI.

Review every missed answer and every correct guess. Record the correct book, chapter, index term, table, and reason the original search failed. The goal is not only to learn the answer but to prevent the same navigation problem from happening again.

Mississippi HVAC Contractor Licensing and Application Reminders

The Mississippi State Board of Contractors determines which examinations an applicant must take and whether the applicant is eligible to register with PSI. Each company seeking a commercial Certificate of Responsibility must designate a qualifying individual. Current PSI guidance states that proof of employment, such as a W-2 or check stub, is required for the qualifying individual.

New applicants generally receive six months from the eligibility date to pass the required examinations. PSI allows retesting during that period under current rules, but a person who does not pass within six months must reapply with the Board. Candidates should not delay studying until after eligibility arrives because the six-month period can pass quickly.

MSBOC provides commercial and residential application forms. The Board's current licensing page states that an affidavit and notarized signature are no longer required on the application form, while another forms page still contains older notarization language. Applicants should follow the newest direct instructions from MSBOC and contact the Board when two official pages appear inconsistent.

Commercial HVAC and Residential HVAC are separate classifications. The commercial Heat, Ventilation, A/C - HVAC specialty classification covers the broader scope described by MSBOC, while Residential HVAC is limited to residential work. Candidates should apply for the classification that matches the work they intend to perform and should rely on MSBOC for final classification decisions.

Frequently Asked Questions

Q. What work is covered by the Mississippi HVAC classification?

A. The classification covers installation, maintenance, repair, fabrication, alteration, and extension of heating, ventilating, and air conditioning systems. Its scope includes associated equipment, ductwork, duct cleaning, industrial air systems for dust control, ventilation systems, and related work.

Q. How many questions are on the Mississippi HVAC Contractor exam?

A. The current PSI bulletin lists 80 questions, a 70 percent passing requirement, and four hours of testing time. Candidates should verify the newest bulletin before registering because examination details can change.

Q. Is the Mississippi HVAC Contractor exam open book?

A. Yes. The current Mississippi HVAC Contractor examination is open book. Candidates are responsible for bringing the approved references and following all current testing-center rules.

Q. What subjects are on the Mississippi HVAC exam?

A. Subjects include load calculations, ducts, fuel gas, LP gas, refrigeration, heating and cooling principles, equipment, controls, piping, supports, insulation, combustion air, hydronics, testing and balancing, sound and vibration control, evaporative cooling, machine rooms, and safety.

Q. What books are used for the Mississippi HVAC Contractor exam?

A. The current reference list includes Modern Refrigeration and Air Conditioning, OSHA, the International Fuel Gas Code, SMACNA HVAC Duct Construction Standards, ACCA Manual N, the International Mechanical Code, NFPA 58, the ACCA Ductulator, ACCA Manual D, the Pipefitters Handbook, and ACCA Manual J.

Q. Can Mississippi HVAC exam books be highlighted and tabbed?

A. Current PSI rules permit highlighting, underlining, and permanent indexing before testing. Temporary tabs, loose papers, attached extra materials, and writing in the references during the examination are not allowed.

Q. Which Mississippi HVAC product is best when I already own the books?

A. The Mississippi HVAC Contractor - Online Exam Prep Course may be best for flexible self-study. The Live Virtual + Self Study Training may be better when you also want instructor-led classes, recordings, questions and answers, and a structured one-year program.

Q. How does the Mississippi HVAC Contractor - Book Rental Package work?

A. The current base option includes highlighted and tabbed rental books, business and trade online courses, and six months of access. Its price includes a $1,100 refundable deposit when the books are returned in similar condition within the stated rental period.

Q. What is included in the Mississippi HVAC Contractor Ultimate Exam Prep Rental Package?

A. It includes prepared rental books, self-paced courses, live virtual classes, recorded instruction, application assistance, and a one-year rental period. The current total includes a $1,100 refundable deposit subject to the return terms.

Q. Where can I compare every Mississippi HVAC Contractor option?

A. You can compare all seven courses, book packages, rental programs, application services, and business setup options in the 1 Exam Prep New Mississippi HVAC Contractor collection.

Conclusion

Preparing to become a Mississippi HVAC Contractor begins with understanding the scope of the classification. Mississippi defines the commercial HVAC specialty as work involving installation, maintenance, repair, fabrication, alteration, and extension of heating, ventilation, and air conditioning systems. The scope also includes associated equipment, ductwork, duct cleaning, industrial air systems, and related ventilation work. Candidates who plan to perform only residential work should compare this classification with the separate Residential HVAC classification before applying.

The current Mississippi HVAC Contractor exam contains 80 questions and allows four hours. Candidates must earn 70 percent to pass. The test is open book, but the reference set is large, and the questions cover many different subjects. A person must move confidently between refrigeration, fuel gas, LP gas, load calculations, duct design, duct construction, mechanical code, piping, safety, equipment, controls, and heating systems.

The Mississippi HVAC Contractor - Online Exam Prep Course offers the simplest training-only path for candidates who already own the books. It allows flexible study and can help a working professional organize technical review around an active schedule. The Live Virtual + Self Study Training adds instructor-led classes, recorded sessions, practice tools, and one year of access for candidates who prefer more structure.

The Mississippi HVAC Contractor Exam Book Package provides the standard reference set for candidates who want to own and prepare the books themselves. This choice requires more setup time, but the process of reading, highlighting, and installing permanent tabs can improve familiarity with the material. The books may also remain useful after the examination for training and technical reference.

The Mississippi HVAC Contractor Exam Complete Highlighted & Tabbed Book Package provides prepared ownership. It may be the best fit for a candidate who wants to keep the reference library while saving the time needed to create a tab and marking system. Prepared books still require practice because the candidate must understand which reference contains each answer.

The Mississippi HVAC Contractor - Book Rental Package combines six months of prepared rental books and online course access. It may be a good choice for an independent applicant who expects to complete the process within the rental period. The Ultimate Exam Prep Rental Package extends the rental to one year and adds live classes and application assistance.

The 1 Package offers the broadest support. It combines exam preparation, prepared rental books, licensing assistance, business education, and listed business setup services. This option may provide the greatest value for an experienced HVAC professional who is also forming a company and applying for a contractor license for the first time.

Whichever Mississippi HVAC Contractor product you choose, build preparation around the official exam outline. Spend serious time on load calculations, ducts, fuel gas, LP gas, and refrigeration because those subjects account for many questions. Review the smaller categories as well because insulation, supports, controls, hydronics, safety, testing, and equipment can determine whether a close score becomes a pass or a failure.

Practice with the actual references under timed conditions. Learn the purpose of every book, use permanent tabs carefully, read complete code sections, and check table headings and notes. Do not depend on memorized numbers when the correct answer changes according to system type, fuel, pressure, building use, equipment, or design condition.

Keep the licensing process moving while studying. Use current MSBOC instructions, identify the correct classification and qualifying individual, gather employment and company records, and monitor the eligibility timeline. Confirm book editions before testing, especially the announced PSI change affecting older Modern Refrigeration and Air Conditioning editions. With accurate paperwork, organized references, steady study, and realistic timed practice, the Mississippi HVAC Contractor licensing process becomes a clear series of manageable steps.

Key Takeaways

• The current Mississippi HVAC Contractor exam contains 80 questions, requires 70 percent, and allows four hours.
• The exam covers load calculations, ducts, fuel gas, LP gas, refrigeration, equipment, controls, piping, hydronics, safety, and related HVAC subjects.
• Choose online or live training when you already own the approved Mississippi HVAC Contractor references.
• Choose highlighted, tabbed, or rental books when book preparation and open-book navigation are major concerns.
• Choose The 1 Package when you need exam preparation, licensing guidance, and listed business setup assistance.