About Dairy Ventilation
Welcome to the Dairy Ventilation Calculator- a free UW-Madison Extension tool for dairy producers to support decisions about heat stress management and mechanical ventilation in dairy barns. FEATURES - THI...
Welcome to the Dairy Ventilation Calculator- a free UW-Madison Extension tool for dairy producers to support decisions about heat stress management and mechanical ventilation in dairy barns. FEATURES - THI (Temperature-Humidity Index) with location-based weather - Adopting Fans calculator - size and select fans for your barn - Evaluating Ventilation calculator - assess existing ventilation performance - Fan Efficiency comparison chart - compare fan models side by side - Payback Period analysis - estimate return on investment for upgrades WHO IT'S FOR - Dairy producers managing heat stress in cow housing - Farm managers planning fan upgrades or new ventilation systems - Extension educators and dairy consultants ABOUT Developed by Nesli Akdeniz in Biological Systems Engineering at UW-Madison as an educational and decision-support tool for dairy producers. Calculations follow established methods used in dairy ventilation design. Results are intended to give general guidance. Final decisions and outcomes remain the responsibility of the user.
Version History Corrected the Temperature-Humidity Index (THI) calculation for improved accuracy 1.0.5 Jun 16 This update includes several improvements: • Reference citations are now tappable and linked directly to the sources • Calculation results now appear in an easy-to-read pop-up summary table • Added dollar sign to fan cost results • Minor interface refinements 1.0.4 May 26 1.0 May 21
Previous Versions
Here you can find the changelog of Dairy Ventilation since it was posted on our website on 2026-07-09 02:44:52.
The latest version is 1.0.5 and it was updated on 2026-10-15 19:41:25. See below the changes in each version.
Dairy Ventilation version 1.0.5
Updated At: 2026-10-15
Changes: Version History Corrected the Temperature-Humidity Index (THI) calculation for improved accuracy 1.0.5 Jun 16 This update includes several improvements:
• Reference citations are now tappable and linked directly to the sources
• Calculation results now appear in an easy-to-read pop-up summary table
• Added dollar sign to fan cost results
• Minor interface refinements 1.0.4 May 26 1.0 May 21
Disclaimer
Official App Store Link
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