Sønderborg Window Expert

At Frederiksen & Jepsen, we are experts in new windows, window replacement, and window installation.

We handle all processes related to window replacement: installation, sealing, insulation, as well as masonry and painting work. Below, you can read a bit about what this means for you.

Visit Our Showroom

Before making a decision, you can see, touch, and operate your new windows in our showroom at Bülowsvej 2 in Sønderborg.

We have assembled a wide selection of energy-efficient windows in different price ranges so you can see and feel your new windows before making a purchase.

Make an appointment before visiting the showroom – that way, you can be sure we are present when you come.

Consultation on New Windows

We are an independent company, so we can advise you without pushing a particular product. This means you will receive unbiased advice that caters to your preferences for new windows.

Certified Window Installer

Over the years, we have trained to be window experts, and we have the following certifications:

  • Velfac Vinduesmester
  • VELUX dagslys-rådgiver
  • Byg-garanti
  • Energivejleder

With these certifications, you can be confident that your new windows will be installed by well-trained craftsmen.

VELUX Daylight Consultant

As a VELUX daylight consultant, we ensure more daylight and better indoor climate in your home. We offer special expertise in connection with VELUX skylight solutions.

As a VELUX daylight consultant, we have completed a training program in collaboration with VELUX Denmark A/S. You can therefore rely on competent and professional advice about the possibilities with VELUX skylight solutions in your home:

  • The importance of daylight for increased well-being indoors
  • Better ventilation ensures a good indoor climate.
  • The energy-related significance
  • Placement of skylight solutions in the house's rooms
  • Selection of the most suitable products and accessories

We Know Quality

Having traded in windows for many years, we have gained in-depth knowledge of the strengths and weaknesses of various manufacturers. We pass this knowledge on to you so you can make the right choice for your new windows.

We Have Experience

Over the years, we have installed thousands of windows. This means that we are familiar with most challenges associated with window replacement. You can benefit from this experience and avoid surprises.

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Frederiksen og Jepsen er VELUX dagslys-rådgiver