Privacy Policy
Last updated: January 2024
Overview
WattMath.fyi ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard information when you use our website and calculators.
The short version: We collect minimal data, don't sell anything, and your calculator inputs stay on your device.
Information We Collect
Calculator Inputs
All calculations are performed entirely in your browser. The numbers you enter into our calculators (energy costs, system sizes, etc.) are never sent to our servers. They exist only on your device and are cleared when you close the page.
Analytics Data
We use privacy-focused analytics to understand how our site is used. This may include:
- Pages visited and time spent
- General geographic region (country level)
- Device type and browser
- Referring website
This data is aggregated and cannot identify individual users. We do not track individual user sessions or behavior across visits.
Contact Form Submissions
When you submit our contact form, we collect:
- Name and email address
- Message content
- Selected subject and calculator (if applicable)
This information is used solely to respond to your inquiry and is not shared with third parties.
Newsletter Subscriptions
If you subscribe to our newsletter, we collect your email address. You can unsubscribe at any time via the link in each email.
How We Use Information
We use collected information to:
- Improve our calculators and website
- Respond to your inquiries
- Send newsletter updates (if subscribed)
- Understand which calculators are most useful
Information Sharing
We do not sell, rent, or share your personal information with third parties for marketing purposes. We may share information only:
- With service providers who assist in operating our website (hosting, analytics)
- If required by law or legal process
- To protect our rights or the safety of users
Cookies
We use minimal cookies for:
- Essential site functionality
- Privacy-focused analytics
We do not use cookies for advertising or cross-site tracking.
Third-Party Links
Our site may contain links to third-party websites. We are not responsible for the privacy practices of these sites. We encourage you to review their privacy policies.
Data Security
We implement reasonable security measures to protect information transmitted to us. However, no internet transmission is 100% secure.
Children's Privacy
Our site is not directed at children under 13. We do not knowingly collect information from children under 13.
Your Rights
You have the right to:
- Request access to any personal data we hold about you
- Request deletion of your data
- Unsubscribe from communications
- Opt out of analytics tracking
Changes to This Policy
We may update this Privacy Policy periodically. Changes will be posted on this page with an updated revision date.
Contact Us
Questions about this Privacy Policy? Contact us.