This Privacy Policy describes how the Dairy Ventilation Calculator app ("the App") handles user information. The App is a free educational tool developed by UW-Madison Extension to help dairy producers manage heat stress and mechanical ventilation in dairy barns.
The Dairy Ventilation Calculator does not collect, store, or transmit any personally identifiable information about its users. We do not have user accounts, logins, analytics, or tracking of any kind. We do not share any user data with third parties.
The App may request access to your device's location for one purpose only: to look up the current temperature and humidity at your location using publicly available weather data. This permission is optional. If you allow location access:
Any values you type into the App (such as barn dimensions, herd size, or fan specifications) stay on your device and are not transmitted to UW-Madison or any third party.
The App connects to two third-party public services to retrieve weather information when you choose to use the location feature:
Please review their privacy practices on their respective websites.
The App is intended for use by adult dairy producers, agricultural professionals, and researchers. It does not knowingly collect information from children under 13.
We may update this Privacy Policy from time to time. The "Last updated" date at the top of this page indicates when the policy was last revised.
If you have questions about this Privacy Policy, please contact:
Nesli Akdeniz
Department of Biological Systems Engineering
University of Wisconsin-Madison
460 Henry Mall, Madison, WI 53706
Email: nesli@wisc.edu
Phone: (608) 262-0613