Hotline throughout Europe & Asia

+49 89 673 592-555

Hotline throughout North America

1 800 565 743 1

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

Contact per e-mail

[email protected]

To the contact form

E-mail contact North America

[email protected]

Firmware Update

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. The update is simple and uncomplicated.

Firmware Update

Energy Calculator

Thanks to the EFOY Energy Calculator you can calculate precisely your demand for energy and you receive a recommendation which EFOY fuel cell will be the appropriate one for you.

To the Energy Calculator

Service enquiries

SFC Energy AG
Telephone service Europe & Asia
Mon to Fri 9 am to 12 pm

Telephone service North America
Mon to Fri 8 am to 4:30 pm MST

Service Centre Brunnthal
Mon to Thurs 9 am to 3.30 pm,
Fri 9 am to 2 pm.

Return Form

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

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.



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



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

Questions & Answers

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!

to the Newsletter

We are happy to help you personally!

+49 89 673 592-555

Contact form