Free online courseLearn HVAC HVACR Heating Ventalation Air Conditioning

Course Description

Embark on a comprehensive journey into the world of heating, ventilation, air conditioning, and refrigeration with the course "Learn HVAC HVACR Heating Ventilation Air Conditioning." This professional course spans over 34 hours and 21 minutes, designed to provide an extensive understanding of HVAC systems, categorized under Refrigeration and Air Conditioning.

The course begins by setting the stage with essential goals and objectives, ensuring that you stay focused and motivated throughout. You will learn effective study techniques to retain and reinforce knowledge, crucial for success in this field.

Dive into the core principles of thermodynamics, beginning with the First and Second Laws, explained to you in a manner relatable to HVAC applications. This foundational understanding will be expanded with an introduction to refrigeration, where you'll grasp the concept of moving heat and explore the vital components involved in the process.

From compressors and discharge lines to condensing coils and liquid lines, the course meticulously breaks down each element of the refrigeration cycle. Discover the roles of metering devices, evaporator coils, and suction lines, while integrating this knowledge into a broader understanding of the entire refrigeration cycle.

Understand the significance of temperature, BTU, and the differences between latent and sensible heat. Learn how evaporating and condensing processes contribute to cooling and heating effects, respectively, further enhancing your grasp of the refrigeration cycle. The exploration continues with pressure concepts such as PSIG vs PSIA and the relationship between pressure, temperature, and saturation.

Familiarize yourself with tools and charts, including pressure-temperature charts, and learn to read and interpret them—an essential skill for any HVAC professional. Concepts like superheat, desuperheat, and subcooling are meticulously covered, giving you the competence to manage these critical aspects on units and systems.

Practical scenarios and system evaluations, including fixed orifice metering devices and thermostatic expansion valves (TXVs), are analyzed to provide hands-on understanding. You'll explore refrigeration cycles in various systems, like refrigerators, water coolers, window ACs, and package units, and discover the intricacies associated with each.

Detailed insights into connection techniques such as brazing, soldering, flaring, and using quick-connect fittings ensure you are equipped with the practical skills needed for real-world applications. Advanced components like electronic expansion valves, automatic expansion valves, and in-depth studies of evaporator and condenser functions are covered comprehensively.

Learn the nuances of refrigerant handling, charging techniques in different conditions, and essential safety practices. Recovery methods, including refrigerant recovery and fast recovery techniques, are taught to ensure adherence to industry standards and environmental guidelines.

Vacuum processes, pressure testing with nitrogen, and advanced troubleshooting techniques for leaks are meticulously explained. The final modules focus on evaporative cooling, exploring the latent heat of fusion and the states of water in BTU measurements, presenting a well-rounded conclusion to your HVAC learning experience.

Whether you are just stepping into the HVAC world or looking to deepen your existing knowledge, this course provides a robust platform to build and refine your expertise. Join this professional course and master the intricacies of HVAC systems with confidence and competence.