HVAC practice test, prepare

iOS Universel / Education

Prepare thoroughly for your HVAC Certification with our comprehensive app. Features include:

- Complete Q&A for all categories
- Realistic exam mode simulations
- Save and review your favorite questions
- Track your visible progress
- Marathon mode for intensive practice
- Detailed error analysis for improvement
- Completely ad-free experience

Quoi de neuf dans la dernière version ?

Hey there!

- We've updated all questions — ready for 2026!
- Added iOS 26 support

We’ve also fixed some minor bugs, so if you encounter any issues, please let us know by clicking the "Support" button in the settings menu. Alternatively, you can reach us directly at nght.cdng@gmail.com.

Thanks for using our app!

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