Privacy Policy

2. What Data We Collect

We aim to collect as little personal data as possible. When you use our calculators, we do not require you to create an account or provide personal information. Specifically:

• Calculator inputs: All calculations are performed locally in your browser. Your input values are not transmitted to our servers or stored.
• Automatically collected data: When you visit our website, our hosting provider and analytics tools may collect technical data such as your IP address, browser type, operating system, referring URL, pages visited, and time spent on pages.

3. Analytics

We use Google Analytics 4 (GA4) to understand how visitors use our website. GA4 collects data such as:

• Pages visited and time on page
• Device type, browser, and operating system
• Approximate geographic location (country/city level)
• Referral sources (how you found our site)

Google Analytics uses cookies and similar technologies. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on. For more information, see Google's Privacy Policy.

4. Advertising

We may display advertisements on our website through third-party ad networks. These networks may use cookies and similar tracking technologies to serve ads based on your interests. Each ad network has its own privacy policy governing its data practices. We will update this section with specific ad partner information as applicable.

5. Cookies

Our website uses the following types of cookies:

• Essential cookies: Required for the website to function properly (e.g., remembering your preferences).
• Analytics cookies: Used by Google Analytics to track website usage (see Section 3).
• Advertising cookies: May be used by ad networks to display relevant ads (see Section 4).

You can control or delete cookies through your browser settings. Note that disabling cookies may affect website functionality.

6. Third-Party Services

We use the following third-party services:

• Firebase Hosting (Google): Website hosting and content delivery.
• Google Analytics 4: Website analytics (see Section 3).

Each of these services has its own privacy policy. We encourage you to review them.

7. Data Transfers

Our website is hosted in the United States. If you are accessing our website from outside the United States, please be aware that your data may be transferred to, stored, and processed in the United States. We use services from Google (Firebase, Analytics) which may process data in various countries. These transfers are governed by Google's data processing terms and applicable Standard Contractual Clauses.

8. Your Rights

Depending on your location, you may have the following rights:

For EU/EEA Residents (GDPR)

• Right to access your personal data
• Right to rectification of inaccurate data
• Right to erasure (“right to be forgotten”)
• Right to restriction of processing
• Right to data portability
• Right to object to processing
• Right to lodge a complaint with a supervisory authority (for Germany: the relevant state data protection authority)

For California Residents (CCPA)

• Right to know what personal information is collected
• Right to delete personal information
• Right to opt out of the sale of personal information
• Right to non-discrimination for exercising your rights

We do not sell personal information.

To exercise any of these rights, please contact us at info@sanierungsrechner24.de.

9. Children's Privacy

Our website is not directed at children under the age of 16. We do not knowingly collect personal data from children. If you believe a child has provided us with personal data, please contact us so we can delete it.

10. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated “Last updated” date. We encourage you to review this page periodically.