Boiler cleaning
Hot water boilers must be opened and cleaned annually to prevent bacterial growth.
Intelligent water treatment is closely linked to reliable and efficient service. By continuously servicing your systems for corrosion protection, bacterial control, or water treatment, we ensure:
Our systems are, of course, designed to operate 24 hours a day, year-round. But this also requires regular maintenance. You can choose exactly the service agreement that suits you best. It could be an all-inclusive agreement where you know the annual costs. Or you can simply call us whenever the need arises. With a service agreement, however, you can be sure that we’re always nearby. And our service department is available if you have questions about your system or simply want to schedule service by calling 48 13 44 00.
We serve a wide range of customers across various sectors, which is why we have divided our service operations into three specialized competence centers. This ensures that you are always visited by a service technician specialized in your specific field.

Call +45 48 13 44 00 to learn how we can assist you.

Area Sales Manager Funen & Jutland

Area Sales Manager Zealand

In properties, we typically service corrosion protection systems (Catalysis and Electrolysis) and water treatment solutions such as domestic hot water softening to prevent scaling. A growing number of our service clients are expanding their agreements to include disinfection, acid cleaning, and pipe flushing.
In the industrial sector, we typically service water treatment plants such as RO systems and water softeners. This ensures the water meets the exact quality requirements of your production processes, or simply provides optimal protection for your equipment and machinery.
Whether for properties or industrial applications, our service framework allows you to tailor an agreement with the exact options you require.
Call us at +45 48 13 44 00 to learn more.

Within the HORECA industry, lime and minerals are a big problem. Guldager supplies all types of systems that can help you get rid of the problems. But we also service them, of course, so you don't risk
Our HORECA service technicians replace filters in dishwashers, coffee machines, and ice makers, while also servicing softening and demineralization units for dishwashing equipment and similar applications. As they primarily service hotels, cafés, and restaurants, they possess extensive troubleshooting expertise to get your machinery operational again with minimal downtime, allowing you to focus on your guests.
With a customized service agreement tailored to your needs, we aim to prevent operational disruptions. However, should an issue arise, please call us at +45 48 13 44 00—our service vehicle is likely nearby.

When supplying larger, multi-component solutions to entities such as combined heat and power plants, rigorous demands are placed on service and maintenance. We offer high-level servicing, which typically encompasses:
Fixed service intervals—typically scheduled during the plant's annual maintenance shutdown—along with planned replacement of wear and spare parts per technical guidelines, significantly minimize the risk of costly downtime.
International service is performed by our dedicated travelling technicians, or by our local partners on site.
Call us at +45 48 13 44 00 to learn more.
Hot water boilers must be opened and cleaned annually to prevent bacterial growth.
Annual disinfection of the tank using chlorine dioxide removes biofilm and prevents bacterial growth.
Acid cleaning of tanks and heat exchangers for improved heat transfer.
A risk assessment is a comprehensive, end-to-end technical review of the installation.
We offer various types of water analyses based on different analytical methods.
An annual pipe flush effectively removes biofilm from distribution lines and risers.
If you are already a service customer at Guldager You may already know Peter, Klaus, Rasmus, Torben or some of the many other service employees who have been with us for many years. Without promising too much, we have a very experienced service staff. And they often know the installations they are going to service. This gives you a clear advantage as a service customer.
However, our customers and their requirements are constantly evolving. Therefore, we continuously provide ongoing training for our service personnel to ensure they can handle any challenge they encounter on a daily basis.
Our service program is extensive, allowing us to tailor service agreements precisely to our customers' operational challenges.
Call us at +45 48 13 44 00, and we will find the service solution that best suits your requirements.
