Terms of use

Last updated: 2026-10-07. These terms apply to use of the service.

Use of tools

Tools are offered for general calculations and estimates. You are responsible for checking measurements, product specifications, tariffs, finance terms and generated invoice details before acting on a result. Finance illustrations are not recommendations; construction and HVAC estimators do not provide engineering design or professional certification.

Accuracy and availability

We test the stated mathematics, but real-world conditions and third-party conventions can differ. We may correct or change tools. Availability is not guaranteed. Nothing here excludes rights or remedies that cannot lawfully be excluded in your jurisdiction.

Generated documents and codes

You are responsible for the information you enter and distribute. Confirm invoice requirements with your accountant or adviser. Check QR payloads, scanner compatibility and destination safety before publication. Do not use tools for unlawful content or attempts to compromise the service.

Operator and contact

SolveNook is operated by Renvoro Pty Ltd.

Email contact@solvenooktools.com for support, privacy requests or calculation corrections. Include the tool name and a non-sensitive example.