Comprehensive course for the CSLB trade exam.

According to the CSLB: California Code of Regulations Title 16, Division 8, Article 3. Classifications A refrigeration contractor constructs, fabricates, erects, installs, maintains, services and repairs refrigerators, refrigerated rooms, and insulated refrigerated spaces, temperature insulation, air-conditioning units, ducts, blowers, registers, humidity and thermostatic controls for the control of air, liquid, and/or gas temperatures below fifty degrees Fahrenheit (50 ), or ten degrees Celsius (10 ). Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code).