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Terms and Conditions & Engineering Disclaimer for DuctLogic

Effective Date: September 13, 2026 · Version v1.0-2026

1. Agreement to Terms

DuctLogic is a Peak Eleven product. By accessing or using DuctLogic (Web, iOS, Android), you agree to these Terms and Conditions, the Privacy Policy, and the Refund Policy. You must create an account with an email address or a phone number to use the application. If you do not agree to all terms, do not use the application.

2. Purpose of Software & Professional Responsibility

DuctLogic provides preliminary sizing estimates, BTU calculation tools, and layout drafting features. The application is intended solely as an educational and reference drafting aid for trade professionals. It is NOT a substitute for licensed engineering services, qualified technician oversight, or physical field verification.

3. Disclaimer of Calculation Accuracy & Liability

  • "AS IS" Software: DuctLogic is provided on an "AS IS" and "AS AVAILABLE" basis without warranties of any kind.
  • No Responsibility for Miscalculations: DuctLogic, its developers, and owners expressly disclaim any liability for calculation errors, software bugs, inaccurate BTU values, or pipe sizing variances.
  • Obligation to Verify: You acknowledge and agree that it is your sole responsibility to independently verify all calculations, gas capacities, pipe diameters, pressure drop values, and blueprint layouts against local fuel gas codes (e.g., NFPA 54 / IFGC) and physical job-site requirements before installation or material procurement.

4. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, GASLOGIC AND ITS DEVELOPERS SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES (INCLUDING PROPERTY DAMAGE, GAS LEAKS, REWORK COSTS, INJURY, OR LOSS OF BUSINESS) ARISING FROM THE USE OF OR INABILITY TO USE THIS APPLICATION.

5. Compliance with Safety Codes

The user assumes 100% responsibility for ensuring that all gas air distribution designs, appliance connections, and material specs comply with state, local, and national safety building codes.

6. Refund & Cancellation Policy

This policy applies to DuctLogic subscriptions purchased on Web, iOS, and Android. DuctLogic is a Peak Eleven product. Paid plans are Journeyman and Foreman. The free Apprentice tier has no subscription charge.

14-day money-back window for annual subscriptions

Users who request a refund within 14 days of purchasing an annual Journeyman or Foreman subscription receive a 100% full refund.

No partial or prorated refunds after 14 days

Refund requests made after 14 days, and all refund requests for monthly plans, are non-refundable. There are no partial or prorated refunds.

Cancellations

If you cancel, paid features remain active until the end of the paid billing cycle. After that date the account reverts to the Apprentice (Free) tier.

iOS and Android store purchases

Purchases made through the Apple App Store or Google Play are processed according to Apple and Google refund policies. DuctLogic cannot override those store decisions. Request those refunds through the store account used for the purchase.

Refund questions for web billing: support@peakeleven.app.

7. Contact Us

For questions regarding these Terms, contact Peak Eleven at support@peakeleven.app

DuctLogic is a Peak Eleven product