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. The update is simple and uncomplicated.

Which EFOY fuel cell would you like to update?

EFOY & EFOY Pro (new generation)

Keep your fuel cell up to date and carry out the free firmware via the Internet.

Recommended firmware version (as of 07/2021): 24.09

How the firmware update works


Keep your fuel cell up to date and order the free firmware updater for your home.

Recommended firmware version (01/2021):

EFOY Pro 800 / 800 Duo / 2400 / 2400 Duo 17.16¹
EFOY Pro 12000 Duo 21.06 (manufactured after cw 02/2018)
EFOY Pro 12000 Duo 19.13 (manufactured before cw 02/2018)
EFOY Pro 600 / 1200 / 1600 9.27 (manufactured before cw 12/2011)
EFOY Pro 600 / 1600 / 2200 / 2200 XT 11.13 (manufactured after cw 12/2011)

If your firmware version is older, please get in touch with your EFOY Pro sales partner.

Order form


SFC Energy AG
Mon to Fri 9am to 5pm
+49 89 637 592-555

Contact form

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¹EFOY fuel cells with serial number xxxxxx-xxxx- 52801 or higher have firmware 17.17 installed upon delivery. For older EFOY fuel cells, firmware 17.16 is the latest version.