Terms of Service

Effective Date: January 1, 2026

1. Acceptance of Terms

By accessing and using HVAC Duct Calculator, you agree to be bound by these Terms of Service.

2. Description of Service

HVAC Duct Calculator provides free online HVAC duct sizing calculations for informational purposes.

3. Disclaimer

Calculations are for reference only. Results should be verified by a qualified HVAC professional.

4. Contact

Contact us at mohsin37345@gmail.com.