While most HVAC cert tools charge monthly, we charge once — and you get every feature we add in the future at no extra cost. Price goes up when features do.
"Passed Universal on my first attempt. The weak spot drill told me exactly where I was failing — I fixed those topics in 2 days and passed with 89%."
— Mike T., Commercial HVAC Technician, Phoenix
Every feature below is included in your $14.99 lifetime purchase. When we ship them, the price goes up — you pay nothing extra.
All sourced from ESCO Group & Skill Cat, reviewed by certified HVAC technicians.
Ask any Section 608 concept — by typing or hands-free voice. Explains in plain trade language.
Flip through key facts between jobs. Covers Core, Type I, II, and III.
Visual readiness map across all 4 certification sections — see exactly where to focus next.
Listen to concept explanations in podcast format — study hands-free in the truck or on the job.
Tell us your exam date — we build a day-by-day study plan based on your weak spots.
PDF cheat sheets for each section — pressure tables, recovery limits, legal thresholds.
Practice without internet — study at job sites, basements, or anywhere signal is weak.
AI-powered prediction of your real exam score based on performance patterns — know when you're actually ready.
Yes — $14.99 once, access forever. No monthly fees, no renewal, no "annual plan." Pay once and you're done.
We don't announce it in advance. When we ship major new features (like podcast audio or the study planner), the price increases automatically for new buyers. Existing members keep their access at the price they paid.
7-day money-back guarantee — no questions asked. Email us and we'll refund within 24 hours.
Free gives you all practice tests, flashcards, and 5 AI Tutor questions per day. Pro unlocks full answer explanations, 1,000 AI Tutor questions/day, Weak Spot Drill, full test history, and the radar chart dashboard.
For free features, no account needed — data stays in your browser. For Pro, a lightweight account is created to sync your access across devices.
Yes — everything is fully responsive. Practice on your phone between jobs, tablet at home, or desktop before exam day.
One payment. Every feature we ship. No subscription, no renewal, no regrets.
Get Lifetime Access — $14.99