Effective July 7, 2026
DuctPro is a duct sizing calculator for HVAC professionals for iOS. It performs all engineering calculations on your iPhone; you are responsible for verifying results before relying on them professionally and for keeping your own backups.
One-time purchases are yours permanently on your Apple account. Refunds are handled by Apple under their standard policies.
Use DuctPro in compliance with applicable law and Apple's Media Services Terms. DuctPro is a design aid; final engineering responsibility rests with the qualified professional.
DuctPro is provided "as is" without warranties. To the maximum extent permitted by law, we are not liable for indirect or consequential damages, including loss of data or professional losses arising from reliance on computed results.
Continued use after an update constitutes acceptance. Questions: marko.hankewycz@gmail.com