Terms of Use
Last updated: April 2026
G3 HVAC PrepBOX is provided for study and educational purposes only. The questions and content are designed to help you prepare for the Ontario G3 Gas Technician certification exam. We do not guarantee success on the actual exam.
This app is an independent study tool and is not affiliated with, endorsed by, or connected to the Technical Standards and Safety Authority (TSSA) or any government body.
This app is intended for users aged 18 and older. By using this app you confirm that you meet this requirement.
Some features require a paid subscription. The price and billing period (monthly or yearly) are clearly shown before you confirm your purchase.
Payment will be charged to your Apple ID or Google Play account at confirmation of purchase. Your subscription automatically renews unless cancelled at least 24 hours before the end of the current billing period.
You can manage or cancel your subscription at any time through your device's account settings (App Store or Google Play). Cancellation takes effect at the end of the current paid period — you will not be charged again.
Any unused portion of a free trial period, if offered, will be forfeited when a subscription is purchased.
If you have previously subscribed and need to restore your access on a new device, tap "Restore Purchase" on the subscription screen.
All refund requests are handled directly by Apple or Google according to their respective refund policies. We do not process refunds directly.
We make every effort to ensure the accuracy of our questions and content. If you believe a question contains an error, please contact us.
The app is provided "as is" without any warranties, express or implied. We are not responsible for any damages arising from the use of this app or reliance on its content.
These terms are governed by the laws of the Province of Ontario, Canada.
We may update these terms as the app evolves. Continued use of the app after changes are posted means you accept the updated terms.
For questions, please use the in-app Contact Us form or email us directly at SupportG3@proton.me.