Last updated: September 24, 2026
By using heatmath.com you agree to these terms.
Use of the site
You may use HeatMath’s calculators and guides for personal, non-commercial purposes. Please don’t copy or republish our content or calculators without permission. Linking to our pages is welcome.
Estimates only
Calculator results and prices are estimates based on typical values and the information you enter. Actual costs, sizing and savings depend on your home, local prices, equipment and installation. Always get professional advice and written quotes from licensed contractors before buying, installing or repairing heating, cooling or electrical equipment. See our disclaimer.
No warranty
The site is provided “as is”. We work to keep information accurate and current but make no warranty that it is complete, accurate or up to date.
Limitation of liability
To the fullest extent permitted by law, HeatMath and its operator are not liable for any loss or damage arising from your use of the site or reliance on its content.
Third-party links and ads
We link to and display ads from third parties. We don’t control and aren’t responsible for their content, products or services.
Changes
We may change these terms at any time. Continued use of the site means you accept the current version.
Contact
contact@heatmath.com