Frequently asked questions

Everything you need to know about HVAC Pro Vault. Can't find your answer? Ask the HVAC Tech AI.

What is HVAC Pro Vault?+

A field-first platform for HVAC technicians — training courses, wiring diagrams, troubleshooting trees, calculators, EPA 608 prep, and an AI assistant, all in one place.

Is there a free plan?+

Yes. The Free plan gives you access to previews of every course, sample lessons, the first steps of every troubleshooting tree, a limited PT chart, and a taste of the calculators and diagrams.

What do I get with Pro?+

Pro unlocks the full course library, interactive wiring diagrams, complete troubleshooting trees, EPA practice exams, every HVAC calculator, and progress tracking across your account.

What does Elite add on top of Pro?+

Elite includes everything in Pro plus the HVAC Tech AI assistant, advanced commercial diagnostics content, monthly new content drops, and priority support.

Can I cancel anytime?+

Yes. Subscriptions can be cancelled at any time from your account settings. You keep access until the end of the current billing period.

Does the EPA 608 prep cover all types?+

Yes — Core, Type I, Type II, Type III, and Universal, with timed practice exams, section-by-section question banks, and weak-area tracking.

Will it work on my phone in the field?+

Yes. The whole app is mobile-first with a dark theme optimized for use on the truck, on rooftops, and in mechanical rooms.

How is the HVAC Tech AI different from ChatGPT?+

It's grounded in the Pro Vault knowledge base — installation, startup, wiring, commercial, EPA, troubleshooting, and diagnostics — so answers stay on-topic for HVAC work and cite the relevant section.

Ready to get in the vault?

Start free — no credit card required. Upgrade when you're ready.