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Get Full Access to 300+ Hours of Online Skilled Trades Courses

SkillMill offers affordable online skilled trades courses and hands-on simulations to help your team deliver quality service, the first time.

Develop Superior Knowledge and Troubleshooting Skills

With SkillMill, you get the right content, in the right order, with realistic 3D and virtual hands-on simulations to train technicians faster and better than ever before.

Ranging from skills assessments and beginner basics to advanced troubleshooting scenarios, SkillMill helps all of your techs advance their skills and stay sharp.

SkillMill Course Catalog

Access our fast-growing catalog of online skilled trades courses, and keep your team current with continuing education units (CEU), certifications, and accreditations like NATE, IACET, EPA 608, OSHA 10 and more.

Our Industry Experts

Our SkillMill online skilled trades courses are built by trusted industry experts and instructional design professionals who understand what top technicians need to know. These experts cover the foundational elements – tools, measurements, codes – and also provide real-world use cases.

Leverage Expertly Curated Learning and Competency Paths

Learning Paths

Help learners master a specific topic in the right order

HVAC Service Tech

Diagnostics and maintenance for those who are planning to work or already work as an HVAC technician. 

HVAC Cooling Basics

Builds upon HVAC basics and covers cooling systems, with a focus on major components.


Fundamental electrical concepts, reading wiring diagrams, multimeter usage and motor diagnostics.

Competency Paths

Help master competencies for a particular industry area

Jumpstart: HVAC Fundamentals

Get prepared for the NATE Ready-to-Work exam and take your first step into your new HVAC career.

NATE: CHP-5 Fundamentals

Get prepared for the HVAC Fundamentals CHP-5 exam.

Jumpstart: Electrical and Controls

Gain an understanding of the electrical concepts underlying the kinds of circuits used in common HVAC equipment.

Next Level: Water Heater Professional

Everything you need to know to become a water heater professional.

Next Level: Heating Diagnostics

Get accustomed to diagnosing and troubleshooting heating systems.

Next Level: Electrical Maintenance & Troubleshooting

Issues you may see when maintaining and troubleshooting electrical issues in residential properties.

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