Free HVAC Systems and Maintenance Course
HVAC Systems and Maintenance
Learn HVAC fundamentals in this free course through heat transfer, refrigeration, furnaces, airflow, ducts, controls, diagnostics, and maintenance. Join this free HVAC course to understand system basics.
What you'll learn
About this course
This free HVAC course gives beginners a practical introduction to heating, cooling, ventilation, and indoor comfort systems. You learn heat transfer, psychrometrics, refrigeration cycles, furnaces, heat pumps, airflow, ductwork, electrical basics, controls, diagnostics, maintenance tasks, and field safety.
The course is useful if you want HVAC fundamentals, online HVAC training, or a clearer base before hands-on trade practice. It helps you understand how major system parts work together, what common terms mean, and why safe maintenance habits matter.
Course outline
Understanding HVAC: Systems, Scope, and Core Thermodynamics
In this module, you'll learn HVAC system types, heat transfer modes, key measurement units, and US codes like ACCA and ASHRAE.
Psychrometrics and the Science of Comfort
In this module, you'll learn psychrometric charts, humidity's effect on comfort, load calculations, and indoor air quality basics.
The Refrigeration Cycle: How Air Conditioning Really Works
In this module, you'll learn compressor, condenser, and evaporator function, refrigerant types, superheat/subcooling, and diagnosing cycle issues.
Heating Systems: Combustion, Components, and Operation
In this module, you'll learn gas and oil furnace operation, combustion safety, heat pump heating mode, and carbon monoxide safety.
Designing for Airflow: Ductwork and Ventilation Essentials
In this module, you'll learn duct materials and sizing, static pressure, airflow balancing, filtration, and zoning system design.
Electrical Basics Every HVAC Technician Must Know
In this module, you'll learn voltage and Ohm's Law, motors, capacitors and relays, wiring diagrams, and multimeter diagnostics.
Diagnosing HVAC Systems: Controls and Structured Troubleshooting
In this module, you'll learn thermostat types, sequences of operation, structured troubleshooting logic, and interpreting fault codes.
From Install to Upkeep: Field Practices and Safety Standards
In this module, you'll learn installation best practices, system commissioning, preventive maintenance schedules, and jobsite safety standards.
Get access to the complete curriculum once you enroll in the course
This course is ideal for
- Beginners wanting to learn HVAC systems and repair basics.
- Students and job seekers exploring HVAC technician careers.
- Working professionals maintaining building HVAC equipment.
- Job seekers adding an HVAC certificate to their CV.
Frequently Asked Questions
What will I learn in this free HVAC course?
Is HVAC Systems and Maintenance suitable for beginners?
How does this HVAC fundamentals course explain comfort?
Will I learn how air conditioning systems work?
Does the course cover furnaces and heating systems?
What airflow and ductwork topics are included?
Will I learn HVAC electrical basics?
How does this course teach HVAC troubleshooting?
Does the course include installation and maintenance practices?
Who should take HVAC systems training online?
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2.5 hrs
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