Do you have questions about natural gas conversion or do you need our help? You can reach us at any time.

You will find further detailed information in our Questions & Answers section. You are also welcome to call, or write to us.

Helpline (free):
0800 4398 444
Mon – Fri, 7-20 hours and Sat, 8-16 hours



c/o Rheinische NETZGesellschaft mbH
Parkgürtel 26
50823 Cologne

Contact form:

Get in touch with us. We will also be happy to ring you back:

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My conversion

Step-by-step explanation: All the information on the background, procedures and statutory framework to your natural gas conversion.


Questions & Answers

Do you have other questions about the conversion work of ErdgasUmstellung? You will find further detailed information in our FAQ section.


Safety notes

Your safety is our highest priority. This is how to recognise our technicians - and protect yourself against confidence tricksters.



All contact information for consumers and press representatives and our free helpline number.

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