DuctSizer Pro
Privacy
Privacy Policy
Effective date: May 26, 2026
DuctSizer Pro does not collect, store, sell, or share personal information. The app is a local HVAC duct sizing calculator.
The app does not require a login account, does not use advertising, and does not track users across apps or websites.
Calculations entered in the app, such as duct dimensions, CFM, and friction values, are used only to display results on the user's device.
If this policy changes in a future version, the updated policy will be posted on this page.