Agreement
By using Solar & Home Energy Calculators, you agree to these Terms of Use. If you do not agree, please do not use the site.
Estimates only
All calculator results on this site are estimates based on average data, standard formulas, and the inputs you provide. They are not quotes, professional advice, or guarantees. Your actual costs, savings, payback periods, and outcomes will vary.
Not financial or professional advice
Nothing on this site constitutes financial, tax, legal, engineering, or professional advice of any kind. Solar installation, home energy improvements, and tax credit claims are decisions that should involve qualified professionals — certified solar installers, licensed electricians, and tax advisors familiar with your specific situation.
No warranty
This site and its calculators are provided 'as is' without warranty of any kind, express or implied, including but not limited to warranties of accuracy, fitness for a particular purpose, or non-infringement.
Limitation of liability
In no event shall the operators of this site, its owners, or affiliates be liable for any damages — direct, indirect, incidental, consequential, or otherwise — arising out of or related to your use of this site or reliance on its calculators.
Third-party content
We link to data sources and third-party services for your convenience. We do not endorse, control, or assume responsibility for any third-party content, products, or services.
Affiliate disclosure
Some links on this site are affiliate links. We may receive compensation when you click them or make a purchase or request through them. This does not affect what our calculators say or what assumptions they use.
Modifications
We may modify these Terms of Use at any time. Continued use of the site after changes constitutes acceptance of the modified terms.
Governing law
These terms are governed by the laws of the United States.
Last updated: April 14, 2026