Contact us

Guldager A/S
Hejrevang 1-5
DK-3450 Allerød

Tlf: +45 48 13 44 00
Monday to Thursday: 8-16. Friday: 8-15.30


Email sales department:

Email service department:


If you are in doubt about which department you should contact, read more here >

Write us and we will get back to you as soon as possible.

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Contact service

  • If your system has been alarmed or you experience other irregularities related to your Guldager installation
  • If you have questions about Guldager Service and your service contract
  • If you would like to know when we will visit you next time
  • If you need to know the exact purpose of your Guldager installation

Contact sales

  • If you need an offer on water treatment
  • If you need advice about bacteria, lime, and corrosion
  • If you have trouble assessing what products you need to combine to optimize and secure your water installation
  • If you would like a quote on a tailor-made solution for you