Customer Service

Customer Service:

0800 55 55 772

Order/Moving Hotline:

0800 242 88 36

Our business hours: Monday–Friday, 8 a.m.–6 p.m.

Fax to the following number:

0800 55 55 774

Please fax us the requested documents.

Callback service:

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We'll call you back at a time that's convenient for you.

By mail:

Customer Service, Wärmestrom

Grünwelt Wärmestrom GmbH, Customer Service, P.O. Box 900113, 39133 Magdeburg