Customer service request

Work customer service


Nessensohn - over 25 years of experience with wood heating

As factory customer service for Biotech and Lindner & Sommerauer, we have what you need spare Parts in stock and our customer service technicians are always up to date through ongoing training.

If you have any questions, please feel free to contact us.

Annual maintenance

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Maintenance prices 2023 Biotech (OEM devices from Wolf, Buderus)

Maintenance prices 2023 SL-Technik GmbH (Sommerauer & Lindner)

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