Rationel: Framing everyday life

Rationel is a trusted supplier of windows and doors in Denmark and Ireland – a local and reliable choice for your home. Our wide range covers both new-build and renovation projects, and all products are customised to suit your home and your needs.

Home

Rationel creates windows and doors that provide the best setting for everyday life, and the best conditions for a safe, bright and vibrant home with new possibilities and features.

Local Presence

We take pride in being locally present and easy to reach. In Denmark, Rationel has a strong network of DIY stores and timber merchants, while customers in Ireland can experience our windows and doors through Rationel showrooms.

Responsibility

Strong materials, high functionality and a long service life. We believe in quality. In durability. And we take responsibility both for our products and for the community around us.

Good design is more than just style

- It’s about creating the right setting for everyday life

At Rationel, we believe that windows and doors should suit both the house and those who live in it. That is why we offer solutions for both modern and classic architecture, where natural light, comfort and well-thought-out details go hand in hand.

Whether you prefer clean lines or traditional shapes, the aim is the same: to create a home with plenty of light, a high level of comfort and a look that will stand the test of time.

With a focus on quality, design freedom and energy-efficient solutions, we help you find windows and doors that fit naturally into your home and your way of life.

Watch our video (in Danish).

Rationel at a glance

Established

Rationel was founded in 1954 in Sdr. Felding, Denmark. A brand built on fine craftsmanship, responsibility, close relationships and a strong team spirit. Joined the VKR Group in 1999 and became part of the DOVISTA Group in 2004, when DOVISTA was established

Products

Windows and doors in wood/aluminium and solid wood. You can choose between a modern range with a simple and stylish design and a classic range with fine details such as profiled glazing bars and frames

Produced in

Our windows and doors are currently manufactured at state-of-the-art production facilities in Poland

Channels

In Denmark, Rationel products are sold through DIY stores and timber merchants.

In Ireland, Rationel serves customers directly through five showrooms

Segments

Refurbishment and new-build

Main markets

Denmark and Ireland

A 1960s home given
a new lease of life

Original architecture meets modern comfort

A carefully renovated 1960s home combines its original character with modern comfort, light and views of the surrounding garden.

Explore the renovation

“I’m absolutely delighted that the layout of the house turned out so open - and with the large windows, we’ve got plenty of light and views. Even from the kitchen, I can look right through the house and watch the seasons change in the garden.”

Anette - Homeowner

Do you need support or want to connect?

Rationel windows and doors are available in both Denmark and Ireland.

Rationel Denmark

Rationel windows and doors are available from timber merchants and DIY stores throughout Denmark. Find retailers and exhibitions in Denmark.

+45 72 21 11 00

Rationel Ireland

In Ireland, you can visit a Rationel showroom to explore the windows and doors, experience the products first-hand and get advice on your project. Find a showroom in Ireland.

+3531 297 1005

enquiries@rationel.ie
rationel.ie