Privacy Policy
Last updated: March 2026
1. Controller
The controller responsible for data processing on this website is:
sydacos GmbH
Hasenböge 17
21514 Klein Pampau, Germany
Email: info@renoquant.com
2. Data We Collect & Legal Basis
Calculator Usage
When you use our calculators, no personal data is collected. All calculations are performed entirely in your browser using client-side JavaScript. No dimensions, values, or results are sent to our servers.
Lead Form Submissions
When you request contractor quotes, we collect: your name, email address, phone number (optional), zip/postal code, project type, timeline, and project description. This data is processed to connect you with up to 3 local contractors.
Legal basis: Art. 6(1)(b) GDPR — processing is necessary for the performance of a contract or pre-contractual measures (connecting you with contractors at your request).
Email Results & Newsletter
When you choose to email your calculator results or subscribe to our newsletter, we collect your email address.
Legal basis: Art. 6(1)(a) GDPR — your explicit consent. You may withdraw consent at any time by clicking the unsubscribe link in any email or contacting us at info@renoquant.com.
Analytics
We use Vercel Analytics and Speed Insights to understand how visitors use our site. This includes aggregated page views, device type, and country. Vercel Analytics is privacy-friendly and does not use cookies or collect personally identifiable information.
Legal basis: Art. 6(1)(f) GDPR — our legitimate interest in improving the website. This interest is balanced against your rights as the data collected is anonymous and aggregated.
Cookies & Local Storage
We use essential local storage entries for site functionality and non-essential cookies only with your explicit consent. See Section 7 for details.
Legal basis: Essential storage: Art. 6(1)(f) GDPR — legitimate interest in providing basic functionality. Non-essential cookies: Art. 6(1)(a) GDPR — consent via our cookie banner.
3. How We Use Your Data
- To connect you with local contractors (lead form data only)
- To send you a confirmation email and follow-up project tips
- To send your calculator results to your email (when requested)
- To send newsletter updates (when subscribed)
- To improve our calculators and website experience
- To display relevant product recommendations via affiliate links
4. Data Processors & Third Parties
We use the following third-party services to operate this website:
| Service | Purpose | Location | Safeguards |
|---|---|---|---|
| Vercel Inc. | Hosting, CDN, Analytics | USA | SCCs, DPA |
| Resend Inc. | Transactional email | USA | SCCs, DPA |
| Amazon | Affiliate product links | USA/EU | Consent required |
| Google AdSense | Display advertising | USA/EU | Consent required |
SCCs = Standard Contractual Clauses (Art. 46(2)(c) GDPR). DPA = Data Processing Agreement (Art. 28 GDPR).
5. Data Retention
- Lead form data: Retained for up to 12 months to facilitate contractor matching and resolve disputes.
- Email addresses (newsletter/results): Retained until you unsubscribe or request deletion.
- Analytics: Aggregated data only — no personal data retained by us.
- Local storage data: Stored in your browser until you clear it. We do not have access to this data.
6. Your Rights (GDPR)
Under the General Data Protection Regulation, you have the following rights:
- Right of access (Art. 15 GDPR) — Request a copy of your personal data.
- Right to rectification (Art. 16 GDPR) — Correct inaccurate or incomplete data.
- Right to erasure (Art. 17 GDPR) — Request deletion of your data ("right to be forgotten").
- Right to restriction (Art. 18 GDPR) — Restrict processing of your data.
- Right to data portability (Art. 20 GDPR) — Receive your data in a structured, machine-readable format.
- Right to object (Art. 21 GDPR) — Object to processing based on legitimate interest.
- Right to withdraw consent (Art. 7(3) GDPR) — Withdraw consent at any time without affecting the lawfulness of prior processing.
To exercise any of these rights, contact us at info@renoquant.com.
Right to Lodge a Complaint
You have the right to lodge a complaint with a supervisory authority. Our competent authority is:
Unabhängiges Landeszentrum für Datenschutz Schleswig-Holstein (ULD)
Holstenstraße 98
24103 Kiel, Germany
Email: mail@datenschutzzentrum.de
Website: www.datenschutzzentrum.de
7. Cookies & Local Storage
We use the following storage mechanisms:
| Name | Type | Purpose | Duration |
|---|---|---|---|
| rq-cookie-consent | localStorage | Stores your cookie consent choice | Permanent |
| rq-units | localStorage | Stores unit preference (metric/imperial) | Permanent |
| rq-calc-* | localStorage | Saves calculator inputs for resume on return | Permanent |
| rq-exit-shown | sessionStorage | Prevents repeated exit popup | Session |
| rq-ab-* | localStorage | A/B test variant assignment | Permanent |
| Amazon cookies | Cookie | Affiliate tracking (consent required) | 24 hours (90 days if item added to cart) |
| Google AdSense | Cookie | Ad personalization (consent required) | Varies by cookie |
Note: Non-essential cookies (Amazon, Google AdSense) are only set after you click "Accept All" on our cookie banner. Essential localStorage entries are used without consent as they are necessary for basic site functionality.
8. International Data Transfers
Some of our service providers are located in the United States. Data transfers to countries outside the EEA are protected by Standard Contractual Clauses (SCCs) pursuant to Art. 46(2)(c) GDPR, ensuring an adequate level of data protection.
9. Children
Our services are not intended for children under 16 years of age. We do not knowingly collect personal data from children under 16. If we become aware that we have collected data from a child under 16 without parental consent, we will delete it promptly.
10. Changes to This Policy
We may update this privacy policy from time to time to reflect changes in our practices or legal requirements. Changes will be posted on this page with an updated date. We encourage you to review this policy periodically.
11. Contact
For privacy inquiries or to exercise your data rights:
sydacos GmbH
Email: info@renoquant.com
Address: Hasenböge 17, 21514 Klein Pampau, Germany