What you need to know to pass your C20 HVAC exam in California. Accurate test questions and answers with online video audio lessons can be found here: https://digitalconstructive.com/c20exam

Anyone looking to bid on HVAC related projects over $500 in labor and materials within the state of California must hold the C20 License.

We have a complete video that breaks down how to get a C20 HVAC contractor license including, the scope of work, requirements, application, costs, and more. Check it out here:    • C20 HVAC License: California HVAC Co...  

You will also need to pass a twopart examination.

115 Questions of Law & Business
115 Questions of HVAC

The trade portion of your examination will include the following sections:

1. Evaluation, Design, and Estimation (26%)
• HVAC system design and evaluation
• Load and psychrometric calculations
• Duct system design and layout
• Job cost estimation

2. Fabrication, Installation, and Startup (27%)
• Duct system fabrication
• Equipment installation
• Electrical and mechanical components
• Plumbing and refrigeration components
• Air distribution and duct systems
• HVAC system startup

3. Troubleshooting, Repair, and Maintenance
(22%)
• HVAC system diagnostic tests and
evaluation
• HVAC system maintenance or repair

4. Safety (25%)
• Personal protective equipment (PPE)
• Job site safety requirements (Cal/OSHA)
• Handling hazardous materials

Some HVAC contractors also add on other related license classifications like the C10 License. You can learn more about this license in the following video:    • Get Your C10 License! What Every Ele...  

It is important to remember that California takes the Health and safety of workers and the environment very seriously. HVAC installation and repair can be extremely dangerous especially if your workers are untrained.

You will 100% want to review California OSHA standards before taking the C20 license exam. Make sure that you are also familiar with safety hazards and worker's rights especially if you are applying from out of state.

Our complete free course breaks down everything you will want to know from an administrative standpoint about how to get a C20 license and how to be an HVAC contractor.

You can check that out here: https://digitalconstructive.com/free...

If you have any questions at any point about the C20 contractor's license, you can reach out at:
[email protected]

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