Free Course Image HVAC training

Free online courseHVAC training

Duration of the online course: 4 hours and 1 minutes

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Explore HVAC Training by HVACTIME. Gain skills in refrigeration cycles, psychrometrics, and chillers for professional advancement. Enroll now!

Course Description

Dive into the essential world of HVAC systems with the comprehensive HVAC Training course offered by HVACTIME. Tailored for both novices and seasoned technicians, this course envelopes you in the foundations and intricate details of Heating, Ventilation, and Air Conditioning, focusing particularly on refrigeration and air conditioning systems. As you traverse through this course, you'll gain a robust understanding of what HVAC truly is and its critical importance in various environments.

Begin your journey with foundational lessons that answer the question: What is HVAC? This segment provides a solid refresher for HVAC technicians who want to sharpen their skills and knowledge. Progressing further, you will delve into advanced concepts and cycles that are pivotal to refrigeration. Learn about the refrigeration cycle in depth, dissecting each phase from start to finish, and unravel the complexities that lie within Part 1 and Part 2.

Building upon your newfound understanding, venture into the specialized realm of psychrometrics within refrigeration, a critical element in mastering the climate control and efficiency of HVAC systems. The course also gives you an insider look at specific equipment cycles such as the Trane Chiller Centrifugal Refrigeration Cycle and the intricate workings of the York Chiller Refrigeration Cycle - YCIV, providing you a diverse perspective on modern refrigeration technology.

Embarking on this HVAC Training course, you'll acquire invaluable skills that enhance professional development and open opportunities in the HVAC field. Enroll now and equip yourself with the expert knowledge necessary to excel in the ever-evolving arena of refrigeration and air conditioning.

Course content

  • Video class: What is HVAC? P1 Refrigeration Refresher for HVAC Technician

    19m

  • Exercise: What is the primary job of an air conditioner in HVAC?

  • Video class: HVAC Training: What is HVAC? Part 2

    20m

  • Exercise: Does outdoor humidity affect an air-cooled condenser's ability to reject heat?

  • Video class: HVAC Training: What is HVAC? Part 3

    41m

  • Exercise: Which measurement is most affected by indoor load and can mislead charge decisions during a hot pull down?

  • Video class: Refrigeration Cycle Part 1 - HVAC Training

    33m

  • Exercise: R-407C: Which saturation scale is used for the evaporator?

  • Video class: Refrigeration Cycle Part 2 - HVAC Training

    17m

  • Exercise: How many BTU per hour does a compressor motor add if it draws 20 A at 460 V?

  • Video class: Psychometric's in Refrigeration

    35m

  • Exercise: HVAC Psychrometrics: Which two readings are most commonly used in the field?

  • Video class: Trane Chiller Centrifugal Refrigeration Cycle

    43m

  • Exercise: Effect of an economizer on centrifugal chiller performance

  • Video class: York Chiller Refrigeration Cycle - YCIV

    30m

  • Exercise: Identifying low refrigerant charge on YCIV/YVAA flash-tank systems

Free online courses on HVAC Training

Learn aboutHVAC Training

Free Online HVAC Training Courses (Refrigeration & Air Conditioning)

Build job-ready skills with a curated selection of free online HVAC training courses designed for learners who want to understand heating, ventilation, and air conditioning from the ground up. These free courses fit within the broader world of refrigeration and air conditioning, helping you connect how cooling cycles, airflow, and system controls work together in residential and light commercial environments. Whether you’re exploring a new career path, refreshing technical knowledge, or preparing for hands-on practice, this collection focuses on practical concepts that translate to real equipment and real service scenarios.

The course options here include HVAC Training and Air Conditioning Training, both offered online at no cost. You can study at your own pace and revisit key topics as often as needed, making these free resources ideal for beginners and for technicians who want to strengthen fundamentals before moving on to advanced certifications.

What you can learn in these free HVAC courses

  • HVAC fundamentals: how heating and cooling systems are organized, common components, and basic terminology used in the field.
  • Air conditioning principles: heat transfer, sensible vs. latent heat, humidity basics, and why airflow and refrigerant charge matter.
  • Refrigeration cycle basics: compressor, condenser, metering device, evaporator, and how pressure/temperature relationships affect performance.
  • System types and applications: split systems, packaged units, and ducted vs. ductless approaches, with a focus on common use cases.
  • Controls and electrical basics: thermostats, relays/contactors, capacitors, safe meter use concepts, and troubleshooting logic.
  • Maintenance and diagnostics: filter and coil care, airflow checks, temperature split concepts, recognizing symptoms of common faults.
  • Safety and best practices: personal protective measures, working around moving parts and electricity, and responsible handling concepts.

Included free courses

  • HVAC Training: a broad introduction to HVAC systems, components, and core workflows to help you understand how systems are installed, operated, and maintained.
  • Air Conditioning Training: focused learning on AC operation and performance, including cooling principles, comfort fundamentals, and practical troubleshooting ideas.

Who these free online HVAC courses are for

These courses are suitable for newcomers seeking a clear entry point into HVAC, building maintenance staff who need reliable troubleshooting basics, and anyone interested in refrigeration and air conditioning concepts that support efficient, comfortable indoor environments.

Why train online for HVAC

Online learning makes it easier to master theory before stepping into a workshop or field setting. By completing free HVAC training online, you can build confidence in the vocabulary, system diagrams, and diagnostic thinking used across refrigeration and air conditioning work. Start with the fundamentals, reinforce them with the air conditioning-focused material, and use the knowledge to support more advanced study later.

This free course includes:

4 hours and 1 minutes of online video course

Digital certificate of course completion (Free)

Exercises to train your knowledge

100% free, from content to certificate

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Course comments: HVAC training

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Samuel Epale

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I'm very happy to have discovered this content. I want to learn HVAC and I'm giving myself every chance to succeed, Thank you for everything you do.

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