Contact

Service

Our customer service is here for you

Questions about our products

+49 89 944663 120

Monday to Thursday
08:00 to 12:00 & 13:00 to 17:00
Friday
07:30 till 12:00 & 13:00 till 15:00

Write to us

Technical support hotline

+49 800 799798 7

In case of technical problems with your house connection station, call us - 24 hours a day, 7 days a week, 365 days a year.

Location & Directions

How to find us

Erdwärme Grünwald GmbH
Tölzer Straße 19
82031 Grünwald
Phone +49 89 944663 120
[email protected]

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