Service Private

Private customer? Got questions about the EFOY fuel cell? You’ll find the answer you’ve been looking for here. Use our service form to forward your inquiry directly to us or take advantage of our toll-free service hotline:


The toll-free number is available in the following countries: Germany, Austria, Belgium, Denmark, France, Great Britain, Italy, the Netherlands, Norway, Spain, Sweden and Switzerland. From all other countries, please dial +49 89 / 673 592-0.


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