Our download centre contains a wealth of material on natural gas conversion for you to use (in German).
Letter ‘General information on converting to natural gas ‘
Appointment card ‘Quality assurance’
Flyer ‘Safety notes from the police’
Picture ‘Start of inspections for conversion area in Pulheim and Dormagen for 2025/2027’
Picture ‘Start of inspection for conversion area in Cologne for 2024’
Picture ‘Start of inspection in Leverkusen, Burscheid and Leichlingen’
Picture ‘Start of inspection for conversion area for 2023’
Picture ‘Natalie Schmidt and Stephan Pütz’
Picture ‘Hello Cologne!’
Picture ‘PIN verification’
Picture ‘Boiler room’
Picture ‘Gas-fired water heater’
List of sources for images / graphics / logos used: ErdgasUmstellung
Step-by-step explanation: All the information on the background, procedures and statutory framework to your natural gas conversion.
Applications and forms
Have you bought a new natural gas appliance? This is where you can conveniently register your appliance replacement online.
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.