CSLB HVAC (C-20): Study Guide
$150.00
What this book covers
The Peerless Warm Air Heating & Air Conditioning (C-20) Study Guide Book prepares you for the trade portion of the California CSLB contractor license exam. Per the state's classification, a C-20 contractor installs, services, and repairs forced-air heating, ventilating, and air conditioning systems, including ductwork, equipment, and refrigeration components. This printed book covers the subjects the state tests. See the official CSLB C20 classification.
Book chapters
- Evaluation, design & estimation
- Fabrication, installation & startup
- Troubleshooting, repair & maintenance
- Safety
- Tools & instruments
Sample questions — Try our free practice test
-
In 1 ton of air conditioning there are how many Btu's per hour?
A. 10,000 · B. 11,000 · C. 12,000 ✓ · D. 15,000 -
Two methods of evacuation are:
A. Deep and purging · B. Deep and vapor · C. Deep and triple ✓ · D. Deep and surface -
The mechanism that comprises both a service valve and a pressure gauge is a:
A. Selenium · B. Charging pulse · C. Testing manifold ✓ · D. Transformer
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CSLB HVAC (C-20): Study Guide and Online Practice Exam + Law and Business Study Guide and Online Practice Exam
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California contractors who passed
The timer was my biggest problem. Practicing with the clock running taught me not to stay too long on one question.
Simple and clear, and the system drawings are easy to follow. I studied for two weeks and passed on my first try.
I studied with my phone on my breaks. Passed my HVAC exam the first time.