Unless otherwise stated below, the provision of your personal data is neither required by law or contract nor necessary for the conclusion of a contract. You are not obliged to provide the data. Not providing it has no consequences. This applies only insofar as no other information is given for the processing operations described below.
„Personal data” means any information relating to an identified or identifiable natural person.
Controller
The controller responsible for data processing is:
KLN & Heumann GmbH, represented by the managing director Stefan Klingberg
Max-Planck-Straße 93, 32107 Bad Salzuflen, Germany
Phone: +49 5222 20622 · E-mail: info@poelsan.de
Server log files
You can visit our web pages without providing any personal information.
Each time our website is accessed, usage data is transmitted by your internet browser to us or our web host / IT service provider and stored in log data (server log files). This stored data includes, for example, the name of the page accessed, the date and time of access, the IP address, the amount of data transferred and the requesting provider. Processing is carried out on the basis of Art. 6(1)(f) GDPR, based on our overriding legitimate interest in ensuring trouble-free operation of our website and improving our offering.
Contact by e-mail
If you contact us by e-mail on your own initiative, we collect your personal data (name, e-mail address, message text) only to the extent you provide it. The processing serves to handle and respond to your enquiry. Legal basis is Art. 6(1)(b) GDPR for pre-contractual measures or an existing contract, otherwise Art. 6(1)(f) GDPR (legitimate interest in responding to enquiries). We use your e-mail address only to process your enquiry; your data is subsequently deleted in compliance with statutory retention periods, unless you have consented to further processing.
Contact form
When you use the contact form, we collect your personal data (name, e-mail address, message text) only to the extent you provide it, for the purpose of contacting us. Legal basis is Art. 6(1)(b) GDPR for pre-contractual measures or an existing contract, otherwise Art. 6(1)(f) GDPR. You have the right to object at any time, on grounds relating to your particular situation, to processing based on Art. 6(1)(f) GDPR. We use your data only to process your enquiry and delete it afterwards in compliance with statutory retention periods.
Cookies
Our website uses cookies. Cookies are small text files stored in or by the internet browser on a user’s computer system. A cookie contains a characteristic string that enables the browser to be uniquely identified when the website is accessed again.
Cookies are stored on your computer, so you have full control over their use. By selecting the appropriate technical settings in your browser, you can be notified before cookies are set and decide individually about their acceptance, prevent their storage and the transmission of the data they contain, and delete cookies already stored. Please note that you may then not be able to use all functions of this website to their full extent.
Technically necessary cookies
Unless otherwise stated in this privacy policy, we only use technically necessary cookies in order to make our offering more user-friendly, effective and secure. Some functions of our website cannot be offered without the use of cookies. The use of cookies or comparable technologies is based on § 25(2) TTDSG; the processing of your personal data is based on Art. 6(1)(f) GDPR, based on our overriding legitimate interest in ensuring the optimal functionality and a user-friendly design of our website. No tracking, analytics or marketing cookies are currently used.
Storage period
We store personal data only for as long as is necessary to process your enquiry or as long as statutory retention periods (in particular under tax and commercial law) require; after expiry of these periods the data is deleted, unless you have consented to further processing.
Rights of the data subject
Where the legal requirements are met, you have the following rights under Art. 15 to 20 GDPR: right of access, rectification, erasure, restriction of processing and data portability. In addition, under Art. 21(1) GDPR you have a right to object to processing based on Art. 6(1)(f) GDPR, as well as to processing for the purpose of direct marketing.
Right to lodge a complaint
Under Art. 77 GDPR you have the right to lodge a complaint with a supervisory authority if you believe that the processing of your personal data is unlawful. You may contact, among others, the authority responsible for us:
Landesbeauftragte für Datenschutz und Informationsfreiheit Nordrhein-Westfalen
Postfach 20 04 44, 40102 Düsseldorf, Germany
Phone: +49 211 384240 · E-mail: poststelle@ldi.nrw.de
Last updated: June 2026.
The German version of this text shall be legally binding.