Breadcrumb Home Wayne 2025-2026 Catalog Heating, Ventilation, Air Conditioning and Refrigeration HV-140 HV-140: HVAC System Design Download as PDF Subject Area Heating, Ventilation, Air Conditioning and Refrigeration Credits 3.5 Clock Hours 60 Lecture Hours 45 Lab Hours 15 The principles and theory of airflow requirements, indoor air quality, duct design, load calculation, and sheet metal fabrication are covered in this course. Prerequisites HV-102