Pass code. Every time. Master the 2021 IRC.
A practical, field-tested course built by a 20+ year HVAC veteran. Learn the codes that apply to your daily job — with quizzes, real failure examples, and live monthly Zoom sessions.
Commercial Package
All modules · quizzes · tests · 60-day access
In addition to the website, Troy also teaches code in person at Johnstone Supply in Denver and Colorado Springs, Colorado.
Code knowledge you can actually use on the job
This isn't theory. Every module ties the 2021 IRC back to the work you do every day — installations, inspections, and the mistakes that fail.
Practical modules
Vocabulary, concepts, and real-world application of the residential codes you're responsible for knowing.
Quizzes & tests
Test your knowledge as you learn. Reinforce the concepts before they matter in the field or on the exam.
Live monthly Zoom
Get the in-person learning experience. Bring your questions and walk through real scenarios with the instructor.
Residential or Commercial — or both
One-time purchase, 60 days of access. Pick the track that fits your work.
Commercial Package
ICC Approved · #52272Commercial mechanical code essentials
- 22 modules + tests
- Coming soon — monthly live Zoom sessions
- 60 days of access
Residential Package
ICC Approved · #522712021 IRC residential mechanical code
- 16 modules + tests
- Coming soon — monthly live Zoom sessions
- 60 days of access
"I built this course so you can spend less time guessing and more time getting work that passes — the first time."
After two decades in the field, Troy created Affinity HVAC Training to pass on the practical, code-grounded knowledge that actually keeps jobs compliant. This course is the result.
Ready to master the 2021 IRC?
Pick a package, study real failures, and get live support every month. Respect for your time — and ours.
See the Packages →