Recent SemestersSpring 2026, Spring 2025, Spring 2024, Spring 2023, Spring 2022Class Size20–24 studentsCredits12PrerequisiteECT 280 and ECT 281 with a minimum grade of C. Transfers ToNot transferableDescriptionAn advanced course offered in Environmental Control Technology that covers commercial and domestic air conditioning and refrigeration theory. Topics include the fundamentals of wiring circuits and the concept of electrical problem solving as it relates to both commercial and residential applications. Topics also include using methods to calculate heat loads values necessary to sizing equipment in the industry.Usually HeldMon Tue Wed Thu 8:10am–10:15am, Mon Tue Wed Thu 2:25pm–4:30pm 