Professional A2L Refrigerant Calculator
A2L Pro is a completely offline application that performs all calculations locally on your device. We do not collect, store, or transmit any personal information or calculation data.
Data We DO NOT Collect:
Since A2L Pro does not collect any user data, there is no information for us to use, share, or process. All refrigerant calculations and system diagnostics are performed entirely on your device without any network connectivity requirements.
Any app preferences or settings you configure are stored locally on your device only. This information never leaves your device and is not accessible to LARKLabs or any third parties.
Local Storage Only:
A2L Pro does not integrate with any third-party services, analytics platforms, or advertising networks. The app operates completely independently without external dependencies.
A2L Pro requires minimal permissions to function:
A2L Pro is a professional HVAC tool intended for use by qualified technicians and professionals. We do not knowingly collect any information from children under 13, as our app does not collect any user data whatsoever.
Since we do not collect any user data, there is no information to share, sell, or disclose to third parties. Your calculations and usage of the app remain completely private to you.
A2L Pro can be used worldwide without any privacy concerns, as no data is collected or transmitted regardless of your location. All processing occurs locally on your device.
We may update this privacy policy from time to time to reflect changes in our practices or for legal compliance. Any changes will be posted on this page with an updated revision date.
LARKLabs
If you have any questions about this Privacy Policy or A2L Pro, please contact us:
Website: www.larklabs.org
Email: support@larklabs.org
A2L Pro is designed for professional HVAC technicians working with A2L refrigerant systems. Users should have proper training and certification for A2L refrigerant handling. Always follow local codes and manufacturer guidelines.
Last Updated: September 25, 2025
Effective Date: September 25, 2025