HVAC – C20 Warm Air Heating, Ventilating & Air Conditioning

Wondering “How to pass my CA C20 HVAC Exam?”

Get the most effective California HVAC contractor exam study course available, along with one year access to our online exam prep program!

Learn how to pass your Warm-Air Heating, Ventilating and Air Conditioning trade exam!

The best HVAC contractor exam course available in California at ANY price!

We will also help you pass your Law and Business Exam (sold separately).

$199.50

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C20 Warm-Air Heating, Ventilating & Air-Conditioning (Trade Exam)

We don’t waste your time. Pass the C20 HVAC exam on your 1st attempt. This is the most effective C20 contractors’ license course available in California. Our clients pass their HVAC Contractor trade exam.

Pass your C20 – Warm Air Heating, Ventilating & Air Conditioning exam; it’s simple as 123!

With TLC, pass your C20 HVAC Warm Air, Heating & Air Conditioning Contractor exam, the 1st time you test!


ONE – Commit to becoming a C20 HVAC Contractor, prepare at HOME, & on your schedule, Read, Listen, Watch, Learn, & PASS!

  • Read our best in the industry C20 HVAC exam prep Textbook or eManual.
  • Watch & listen as experts review Key parts of the Trade Manual, Construction Math & Health & Safety Rules.
  • Listen: as industry professionals review answers, you MUST know.
  • Learn the art of dominating a four-question multiple-choice exam.
  • PASS your C20 HVAC Contractor exam. The most effective contractors’ license course available in California at ANY price!

Study Online! Our multimedia C20 HVAC contractor course is your best & most affordable method to pass your Contractor License Exam!


TWO: Apply to the CSLB.We will help! New online tools help fill out your application. Call us for assistance, and schedule a free line by line review of your application before submission to the CSLB!

With our help, submitting a proper C20 HVAC Contractor License application to the CSLB has never been easier!


THREE: Prepare for and pass your exam. Our students dramatically improve their test scores and pass their contractors’ license exam.


IT’s A FACT! when you read something – eTextbooks, watch something – Video’s and hear something – Audio files and then you put that information to use – ONLINE PRACTICE QUESTIONS  & ONLINE EXAMS your ability to retain the study materials increases exponentially.

COURSE DETAILS: C20 HVAC Contractor (Trade Exam)

Study at home! Don’t waste time commuting to a classroom; study conveniently in your home or office. Our courses are a proven, reliable, and affordable way to pass the C20 HVAC contractors exam. Learn more about our courses below.

INCLUDED IN OUR COURSES ARE THE FOLLOWING STUDY MATERIALS

Our C20 – HVAC Contractor License Trade Exam Course: Include the following course materials to maximize your study efforts

  • Trade Specific Textbooks
  • Audio Lectures
  • Video Lectures
  • Online Practice Questions
  • Simulated Online Exams
  • Business Building Tools

NOTE: When purchasing any of our contractors’ courses, you can select which format you want to receive.

Choose from either our physical or digital training courses,

PHYSICAL: Textbooks, CD’s DVD’s and Online Study Center, OR

DIGITAL: 100% online, eTextbooks, Streaming Audio & Video, and Online Study Center.


C20 HVAC Exam Manual. (The Trade)

Our CALIFORNIA C20 WARM AIR HEATING, VENTILATING & AIR CONDITIONING EXAM MANUAL Includes the following sections:

  • GENERAL KNOWLEDGE: Topics include properties of air & water, basic HVAC formulas, basic electrical formulas, electrical & insulating materials, and SCGC standards. The Manual also reviews fuels & refrigerants, mechanical refrigeration, plan & circuit symbols, solar energy, psychometric charts, and summaries from the Uniform Mechanical Code.
  • MATH REVIEW: The Math Review Lecture covers math and estimating formulas, units of measurement, basic geometry, and the architect’s scale.
  • HEALTH AND SAFETY: Our comprehensive health and safety section familiarizes students with Cal/OSHA and other regulations and practices.

Study conveniently in your home or office. Our program is a reliable and affordable way to pass the B General Contractor exam.


C20 HVAC AUDIO / VIDEO LECTURES (The Trade)

NEW! ONLINE STREAMING OF AUDIO & VIDEO LECTURES. READ, WATCH, LISTEN, & STUDY FROM ANY ONLINE DEVICE OR SMARTPHONE!

Expert instructors with decades of related trade experience cover key C20 Warm-Air Heating, Ventilation, & Air-Conditioning contractor exam concepts in greater detail. Our audio and video lectures cover math formulas, plans, specifications and explanations, general knowledge, and Health and Safety Orders.

NOTE: When purchasing a contractors course, select which format you would like to receive.

Choose from either

  • CDs & DVDs OR
  • Audio/Video Streaming Online. (Automatically included in eBook Course)

Audio and video lectures complement the HVAC Manual. Expert instructors with decades of experience cover key exam concepts that you must know, while in the comfort of your home, car, or office.


ONLINE STUDY CENTER (The Trade)

THE LATEST ONLINE HVAC STUDY QUESTIONS AND HVAC CONTRACTOR PRACTICE EXAMS 

Online exercises appear as

  • Non-Graded Quizzes (4 + Update) familiarize you with the type of questions you will see on the state exam. It is essential to read and understand each question and to read every word of the explanations. You must learn the principles behind the answer because the State’s questions are worded differently. 
  • Flash Card Mode (Study by random questions/answers)  Virtual Flashcards cover all of our exam questions and answers. When you already know the answer to a question, mark it as done, and you will no longer see it. When you don’t know the answer, select it for additional study. In this way, you gain real-time feedback and concentrate on the subjects you most need to improve. 
  • Exam Simulations Mode. (4 + Update) Consistently pass our simulated exams with a score of 90% or higher while understanding the principle behind the answer, and you will pass your exam.

ONE YEAR UNLIMITED ACCESS To All Online eBooks, Test Questions & Exams

We provide complete access to all online course materials for an entire year. Other schools may offer only 90-day access to online tools in the hopes of charging you extra $ for extended access to study materials.


ASSISTANCE FILLING OUT APPLICATIONS:

Get help filling out your contractor exam application or request a free review of your completed paperwork before submission. All students in our C20 HVAC course can call us at 866-685-8564 for assistance.


FOR YOUR ORIGINAL CONTRACTOR LICENSE, YOU MUST ALSO ORDER & PASS THE LAW & BUSINESS EXAM

C-20 HVAC Contractor exam course with C-20 Trade CD's DVDs & online practice tests

 

EXAM CONTENT & SOURCE MATERIAL (Trade Exam)

A detailed breakdown of the C20 Warm Air Heating, Ventilating & Air Conditioning Contractor trade exam as well as a list of all reference materials used to create the C20 HVAC trade exam.

The C20 HVAC Warm Air Heating Ventilation & Air Conditioning exam breaks down into four major sections:

Section 1. Evaluation, Design, and Estimation (26% of C20 Exam)

  • HVAC system design and evaluation
  • Load and psychrometric calculations
  • Duct system design and layout
  • Job cost estimation

Section 2. Fabrication, Installation, and Startup (27% of C20 Exam)

  • Duct system fabrication
  • Equipment installation
  • Electrical and mechanical components
  • Plumbing and refrigeration components
  • Air distribution and duct systems
  • HVAC system startup

Section 3. Troubleshooting, Repair, and Maintenance (22% of C20 Exam)

  • HVAC system diagnostic tests and evaluation
  • HVAC system maintenance or repair

Section 4. Safety (25% of C20 Exam)

  • Personal protective equipment (PPE)
  • Job site safety requirements (Cal/OSHA)
  • Handling hazardous materials
Percentages are approximate

C-20 HVAC Warm Air Heating Ventilation & Air Conditioning exam source material:

The CSLB utilizes the following publications to create the Warm Air Heating, Ventilating, and Air-Conditioning (HVAC) exam. California codebooks are available online: www.bsc.ca.gov

2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings. California Energy Commission.
PHONE: (800) 772-3300
INTERNET:www.energy.ca.gov/title24/2008standards

2016 California Building Code. Title 24. International Code Council.
PHONE: (800) 786-4452.
INTERNET: http://www.iccsafe.org

2016 California Electrical Code. California Code of Regulations, Title 24. BNI Publications, Inc.
PHONE: (888) 264-2665
INTERNET: www.bnibooks.com

2016 California Energy Code. California Code of Regulations, Title 24. International Code Council.
PHONE: (800) 786-4452
INTERNET: www.iccsafe.org

2016 California Mechanical Code. Title 24. International Association of Plumbing and Mechanical Officials (IAPMO).
PHONE: (800) 854-2766.
INTERNET: http://www.iapmo.org

2016 California Plumbing Code. Title 24. International Association of Plumbing and Mechanical Officials (IAPMO).
PHONE: (800) 854-2766.
INTERNET: http://www.iapmo.org

ASHRAE Handbooks (Fundamentals; HVAC Systems and Equipment; HVAC Applications; and Pocket Guide). ASHRAE.
PHONE: (800) 527-4723
INTERNET: www.ashrae.org

Doolin’s Trouble Shooters Bible (2009). James Doolin. Doolco, Inc.
PHONE: (800) 886-2653
INTERNET: scientiabooks.com/

HVAC Duct Construction Standards – Metal and Flexible. Sheet Metal and Air Conditioning Contractors’ National Association.
PHONE: (800) 886-2653
INTERNET: www.smacna.org

Air Conditioning Contractors of America

– Manual D – Residential Duct Systems.
– Manual H – Heat Pump Systems.
– Manual J – Residential Load Calculation.
– Manual N – Commercial Load Calculation.
– Manual P – Psychrometrics.
– Manual Q – Commercial Duct Design.
– Manual CS – Commercial Applications, Systems, and Equipment.
– Manual RS – Comfort, Air Quality, and Efficiency by Design.
– Manual S – Residential Equipment Selection.
Air Conditioning Contractors of America.
PHONE: (888) 290-2220
INTERNET: www.acca.org/home

Refrigeration & Air Conditioning Technology; Seventh Edition. Whitman, B., Johnson, B., Tomczyk, J., & Silberstein, E. Delmar. Cengage Learning.
PHONE: (800) 354-9706
INTERNET: www.cengagebrain.com

State of California General Industry & Electrical Safety Orders (Cal/OSHA) and State of California Construction & Electrical Safety Orders (Cal/OSHA). 2015. California Code of Regulations, Title 8. Mancomm.
PHONE: (877) 626-2666
INTERNET: www.mancomm.com

Publisher information is current as of 5/19


Official CSLB Description of License Classification for the HVAC Contractor.

C-20 Warm Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor fabricates, installs, maintains, services, and repairs warm air heating systems and water heating heat pumps, complete with warm air appliances; ventilating systems complete with blowers and plenum chambers; air-conditioning systems complete with the air-conditioning unit; and the ducts, registers, flues, humidity, and thermostatic controls and air filters in connection with any of these systems. (832.20 CCR)

CALIFORNIA CONTRACTOR LAW AND BUSINESS EXAM


STAND ALONE COURSE – ORIGINAL C20 HVAC CONTRACTOR LICENCE

We offer our study materials as two separate courses; Course 1 is the C20 HVAC TRADE EXAM. Course 2 is the LAW & BUSINESS EXAM. (Courses Sold Separately) YOU MUST PASS BOTH EXAMS IF THIS IS YOUR ORIGINAL CONTRACTORS LICENSE

THIS PANEL SHOULD NOT BE HERE – LINK TO LAW AND BUSINESS

FREE C20 HVAC PRACTICE EXAM:

These free C20 HVAC practice questions are similar to the ones encountered when taking your actual contractors’ exam.

If you readily answer seven or more of these questions correctly without guessing, you are off to a strong start,
However, if you miss three or more questions, you are in danger of failing the TRADE portion of the C20 HVAC Contractor Exam.

A chiller refrigerates which of the following?

Correct! Wrong!

26% of your exam consist of Evaluation, Design, and Estimation questions. Call us at (866) 685 8564 for a free consultation.

Why should a drip leg be installed?

Correct! Wrong!

27% of your exam consist of Fabrication, Installation, & Startup questions. Call us at (866) 685 8564 for a free consultation.

What is the function of a thermocouple in a gas furnace?

Correct! Wrong!

22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

A packaged water source heat pump eliminates which of the following components?

Correct! Wrong!

27% of your exam consist of Fabrication, Installation, & Startup questions. Call us at (866) 685 8564 for a free consultation.

Reclaimed refrigerants shall not be reused in a different owners equipment unless tested and found to meet the purity requirements of__________.

Correct! Wrong!

22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

What is the amount of heat energy required to evaporate 1 pound of water?

Correct! Wrong!

26% of your exam consist of Evaluation, Design, and Estimation questions. Call us at (866) 685 8564 for a free consultation.

Pressure on the high pressure side of a mechanical refrigeration unit is called __________.

Correct! Wrong!

22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

In an air conditioning and refrigeration system, what occurs in an evaporator?

Correct! Wrong!

22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

An appliance rated at 75.000 BTHU imput must be placed in a room containing a minimum of __________cubic feet in order to be in an unconfined space.

Correct! Wrong!

25% of your exam consist of Safety questions. Call us at (866) 685 8564 for a free consultation.

A customer moves up from an 8 SEER air conditioner to a 13 SEER air conditioner. What would his yearly savings be if he was paying $650 per year for air conditioning. ​

Correct! Wrong!

26% of your exam consist of Evaluation, Design, and Estimation questions. Call us at (866) 685 8564 for a free consultation.

Free C-20 Practice Quiz: Take our 2019 exam, see where you stand!
FAIL - You did not pass the trade portion of the C-20 HVAC practice exam.

You need our help! Call us from 8am-10pm, Mon-Sat, for a free consultation. We promise you will be very glad you did!

Click Here to take the Law & Business exam

PASS- You have passed the trade portion of the C-20 HVAC practice exam.

You did pretty well! Call us from 8am-10pm, Mon-Sat, for a free consultation. We promise you will be very glad you did!

Click Here to take the Law & Business exam

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