This is the 2nd year course for individuals in the Refrigeration Servicing (HVAC) program. The course will cover: safety, cooling A/C I, refrigeration I and brazing and soldering. This course is a continuation of RS 101. This course is taken twice in the second year. The total embedded content is covered when this course is taken twice. This course satisfies 20 hours of instruction toward specified programs and certificates for AAS Math/Quantitative Reasoning General Education requirements. This course satisfies 45 hours of instruction toward specified programs and certificates for AAS Science/Quantitative Reasoning General Education requirements.