California Contractors Exam Study Guide: HVAC (C-20)

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California Contractors Exam Study Guide: Warm Air Heating, Ventilating and Air Conditioning (C-20) is an at-home study guide that contains more than 500 hundred test questions designed to assist users in passing the Warm Air Heating, Ventilating and Air Conditioning (C-20) trade portion of the California State Contractors License Exam. Coverage areas include general principles and design; HVAC; tools and instruments; energy management; standards and procedures; safety; principles of electricity, and more.

Softcover.