Terms of Use

Educational estimates only

Calculator outputs and articles on this site are educational. They are not contractor quotes, professional engineering or construction advice, or financial, legal, or tax advice. Pricing varies by project, market, and contractor, and our estimates are not guaranteed to match any actual bid you may receive.

No liability for project outcomes

HeatPumpLaband its operators are not liable for any decisions made or outcomes arising from your use of the site, including any difference between an estimate shown here and an actual contractor quote or final project cost, and any damages associated with project work you commission. To the maximum extent permitted by law, the site is provided “as is” without warranties of any kind.

Intellectual property

All content on this site — including calculator logic, written articles, layouts, and visual design — is copyright HeatPumpLab unless otherwise noted. You may link to our pages and quote short excerpts with attribution. You may not reproduce substantial portions of our content without prior written permission.

No scraping or automated extraction

You may not use automated systems (bots, scrapers, headless browsers, AI agents) to extract calculator outputs, datasets, or article content from this site in bulk, and you may not republish that data commercially. Reasonable, identified search engine and AI-assistant crawling consistent with our robots.txt is allowed.

Third-party links and services

Our pages may link to third-party websites and services. We are not responsible for the content, accuracy, or practices of any third party, and a link does not imply endorsement.

Changes to the site and terms

We may modify, suspend, or discontinue any part of the site at any time, and we may update these terms. Continued use of the site after changes are posted constitutes acceptance of the updated terms.

Governing law

These terms are governed by the laws of the United States and the state in which HeatPumpLab is operated, without regard to conflict-of-law principles. Any dispute relating to these terms or the site shall be resolved in courts located in the United States.