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Privacy Policy

Last updated: March 2026

1. Introduction

ViessTech GmbH ("ViessTech", "we", "our") is committed to protecting the privacy of visitors to our website and customers who use our services. This Privacy Policy explains how we collect, use, store, and protect your personal data in compliance with the General Data Protection Regulation (GDPR) and applicable data protection laws.

2. Data Controller

The data controller responsible for processing your personal data is:

ViessTech GmbH
Heizungstraße 42
70173 Stuttgart, Germany
[email protected]

3. Data We Collect

3.1 Information You Provide

  • Contact details (name, email, phone number, company name) when submitting inquiry forms
  • Project specifications and technical requirements shared through our quotation process
  • Account registration information for technical resource downloads
  • Communication records from email and phone interactions with our team

3.2 Automatically Collected Data

  • IP address and approximate geographic location
  • Browser type, operating system, and device information
  • Pages visited, time spent on pages, and navigation patterns
  • Referring website and search terms used to find our site

4. How We Use Your Data

  • To respond to product inquiries and provide technical quotations
  • To process and fulfill orders for products and services
  • To provide after-sales technical support and warranty services
  • To send product updates and industry news (with your consent)
  • To improve our website experience and product offerings
  • To comply with legal obligations and regulatory requirements

5. Legal Basis for Processing

We process your personal data on the following legal bases under GDPR Article 6:

  • Consent (Art. 6(1)(a)): Marketing communications and newsletter subscriptions
  • Contract Performance (Art. 6(1)(b)): Processing orders, providing quotations, and delivering services
  • Legitimate Interest (Art. 6(1)(f)): Website analytics, security, and business development
  • Legal Obligation (Art. 6(1)(c)): Tax records, regulatory compliance, and fraud prevention

6. Data Sharing

We do not sell your personal data. We may share data with:

  • Authorized distributors and service partners in your region (for order fulfillment)
  • IT service providers who host and maintain our website
  • Legal and regulatory authorities when required by law

7. Data Retention

We retain your personal data only as long as necessary for the purposes for which it was collected. Inquiry data is retained for 3 years. Customer transaction data is retained for 10 years per German commercial law requirements. Marketing consent records are retained until withdrawn.

8. Your Rights Under GDPR

You have the right to:

  • Access your personal data (Art. 15)
  • Rectify inaccurate data (Art. 16)
  • Request erasure of your data (Art. 17)
  • Restrict processing (Art. 18)
  • Data portability (Art. 20)
  • Object to processing (Art. 21)
  • Withdraw consent at any time (Art. 7(3))

To exercise any of these rights, please contact [email protected].

9. Cookies

Our website uses essential cookies for functionality and optional analytics cookies for performance improvement. You can manage cookie preferences through your browser settings. Essential cookies cannot be disabled as they are necessary for the website to function.

10. Data Security

We implement industry-standard security measures including SSL/TLS encryption, access controls, regular security audits, and employee training to protect your personal data against unauthorized access, alteration, or disclosure.

11. Contact Our Data Protection Officer

For any data protection inquiries, please contact:
ViessTech GmbH - Data Protection Officer
Heizungstraße 42, 70173 Stuttgart, Germany
[email protected]

German-engineered boiler and heat pump systems delivering premium heating performance for commercial and industrial facilities worldwide since 1978.

[email protected]
+49 (711) 555-0834

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