We are happy to assist you

+49 89 673 592-555

Individual advice, update service, review of the installation situation or repairs: Just make an appointment!

Contact per e-mail

[email protected]

Our SFC Service Center opening hours:
Mon to Thurs 9 am to 3.30 pm
Fri 9 am to 2 pm

Service enquiries

Please contact our Service Team at [email protected] to arrange an appointment.

For customers in North America:
Free hotline: 1 800 565 743 1
[email protected]


All answers to typical questions can be found in our FAQ section: warranty and repair, installation, fuel cartridges, temperature etc.

Questions & Answers


Flyers, certificates, data sheets, instructions, warranty conditions, etc. can be found in our download area.


Warranty conditions

SFC Energy AG grants a warranty for your EFOY Pro fuel cell. Detailed information about the warranty in your country can be found here or in our downloads.


Free firmware updates

We are constantly working on improving our fuel cells and offer free firmware updates for your fuel cells. By installing the latest firmware, you can benefit from our most recent developments and your EFOY Pro fuel cell is always kept up-to-date.

Latest Firmware Update

Contact Form

For contact enquiries, please use the contact form on our contact page.

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EFOY Pro Newsletter

You will always be up-to-date with the EFOY Pro Newsletter. Subscribe now and be the first to know when there is any news!

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We are happy to help you personally!

+49 89 673 592-555

Contact form