The difference between a smooth install and a frustrating callback often comes down to one thing: How well you understand the system.
Miss a detail, misread a signal, or overlook a best practice, and suddenly you’re back on-site fixing a problem that could’ve been avoided.
With new equipment, updated refrigerants, and evolving standards, this industry doesn’t stand still. And neither can you.
That’s why hands-on, practical training matters.
At Etna Supply, we offer free HVAC training for our customers. We give you access to true expert-led sessions designed to skip the fluff and give you the exact technical knowledge you need to troubleshoot faster, reduce downtime, and keep your projects on schedule.
Whether you’re in Michigan or Indiana, our sessions are built for real-world application.
Even if you’ve been in the field for years, staying sharp is what sets top technicians and teams apart.
Technology is changing fast
From inverter-driven systems to new refrigerants like R-32, today’s equipment requires updated knowledge to install and service correctly.
Efficiency drives profitability
The faster and more accurately you can diagnose and install, the more jobs you can complete—and the more profitable each one becomes.
Callbacks cost you
Missed issues or improper installs lead to repeat visits, lost time, and frustrated customers.
The right training helps you avoid all three.
We design every Etna training session with one goal in mind: Making your job easier.
That means:
Whether you’re a technician in the field or managing projects and teams, these sessions are built to deliver real value you’ll notice on the job.
If you’re looking to improve day-to-day performance in the field, this is a great place to start.
Our Air Conditioner / Heat Pump Service and Technical Training is led by a Rheem-certified trainer and focuses on Sure Comfort systems.
You’ll learn:
Upcoming April sessions include:
These sessions fill up quickly, especially during the busy season.
If you want to troubleshoot faster, reduce callbacks, and feel more confident on every job, this is a session worth attending.
Register For Free April Trainings →
For contractors working with ductless and mini-split systems, our Fujitsu training sessions go deeper—covering both system knowledge and hands-on diagnostics.
Get a clear understanding of Fujitsu’s R-32 H-Series systems, including:
This session focuses on what matters most in the field: diagnosing and fixing problems.
You’ll cover:
If you want to reduce guesswork and troubleshoot with confidence, this training delivers.
We are conducting Fujitsu sessions on September 1, 2, 3, 8, and 9.
Register For Free September Trainings →
These sessions are designed for:
If your work depends on getting systems right the first time, this training is for you.
We know your schedule is packed.
You’re managing job sites, customers, and timelines—so training needs to be worth your time.
That’s why our sessions are:
It’s the same way we approach everything at Etna: clear answers, practical solutions, and no unnecessary complexity.
At Etna Supply, we’re more than a place to pick up parts.
We’re a partner that helps you stay ahead, work smarter, and solve problems before they cost you time or money.
Our training helps you:
Because when your jobs run smoother, everything else gets easier.
If you’re ready to sharpen your skills and get more out of every job, we encourage you to register.
We offer sessions across Michigan and Indiana, making it easy to find a location that works for you.
Reserve your spot today and get more out of every job.