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Kömmerling 88 MD

The Kömmerling passive house system

from 65from 65

incl. 19% VAT, free delivery**

  • Low-maintenance and weather-resistant
  • Excellent thermal and sound insulation
  • Available with triple glazing
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Estimated production time 3-6 weeks1

The benefits at a glance

  • 7-chamber profile
  • Angular appearance due to offset design
  • 88 mm construction depth
  • Available with triple glazing
  • 3 seals
  • Excellent thermal insulation Uw-value = 0,72 W/m²K
  • Suitable for low-energy homes
  • Low-maintenance, weather-resistant surface
  • Built-in steel reinforcement
  • German brand quality

Over 200,000 satisfied customers and counting

Jack’s Point, Otago, New Zealand
Residential building
Jack’s PointOtago, New Zealand
uPVC-alu windows and doors for a passive house

“windows24.com brought windows and doors with amazing quality to our project. The products are well-built and certified for passive house values.”

Colorado project
Residential building
Wood-alu and aluminium windows and doors

"We love our new windows and doors! The windows24 team gave us great advice and recommendations and was so patient with all changes to our project."

Heathmont, Melbourne, Australia
Residential building
HeathmontMelbourne, Australia
Composite windows and doors for a passive house

“We spent more than a year searching for a window manufacturer with high product quality and maximum design flexibility. At windows24.com we found the perfect solution for us.”

Cornwallis, Auckland, New Zealand
Residential building
CornwallisAuckland, New Zealand
uPVC windows and a sliding door for high wind zone

“Our architect recommended windows24.com to us. Their German-based window expert team was very helpful in finalising details, organising transport and training my onsite-builder.”

Private house Massachusetts
Residential building
Private houseMassachusetts, USA
uPVC windows

“windows24.com was a great partner for constructing our house. With their help we reached highest quality in terms of design and isolation.”

Profile description

  • Glazing: Triple glazing provides excellent thermal insulation and can contribute to energy bill savings

  • Glass strip: The glass strip ensures the necessary contact pressure between the seals and the glazing

  • Steel reinforcement: Due to its built-in steel reinforcement, the frame is sturdy and hard to deform

  • Glass seal: The glass seal fills the gap between the pane and the frame, protecting the window from water penetration

  • Sash design: The sash has a linear offset design

  • Sealing levels: Three levels of sealings provide excellent thermal and sound insulation

  • Profile chambers: The inside of the uPVC profile is divided into several chambers to achieve good thermal insulation

System description


  • Combinable with soundproof glass (up to sound insulation class 5), safety glass (LSG or TSG), and different ornamental glazings
  • Compatible with glazings of up to 58 mm thick


  • Environmentally friendly given the use of lead-free stabilisers and recycled materials


  • Two locking bolts as effective standard security
  • Superior break-in protection, up to class RC2 N with extra security fittings

Additional glazing

  • A fan or bottom light can be added, whether as a single, double or multi-piece

Quality standards

  • Thermal insulation according to EN 4108
  • Sound insulation according to 4109:1989-11

Kömmerling 88 MD – The advantages in detail

Low maintenance with flexible design possibilities

Low maintenance is a key reason for the unfailing popularity of uPVC windows. Unlike traditional wooden windows, they do not need to be regularly oiled or re-painted but can rather be wiped clean with a little water and detergent.

Although they are made from uPVC, with the Kömmerling 88 MD profile at windows24.com you do not have to go without the warm textured appearance that wood windows bring. In our configurator, a variety of replica timber decor films can be selected from to coat the window’s surface, for example. Whether golden oak, walnut or one of our RAL colours, the sash and frame will feature a UV and weather-resistant decorative finish which will remain vibrant for years.

At windows24.com, customers are given a wide scope of choice and this does not stop at colours; Glazing bars can also be added in our product configurator, as can purpose-designed glass variants, such as security, ornamental and soundproof options. The Kömmerling 88 MD window can therefore become a bespoke product tailored to your exact requirements and wishes.

A 7-chamber profile with an additional centre seal

Translated literally from German, the “MD” in the Kömmerling 88 MD profile’s name describes its additional centre seal.

In contrast with the brand’s “AD” uPVC window models which feature two seals, the three seals in its “MD” products give them superior energy-efficiency.

With this additional seal built into its profile, the Kömmerling 88 MD window provides increased sound and thermal insulation – but don’t just take our word for it, this is also reflected in the product’s impressive data.

U-values, for example, define the amount of heat lost each hour per square metre. This means that the lower the u-value, the less energy is lost and meeting the highest of requirements, the thermal Uw-value of this profile is a superbly low 0.72 W/m²K.

Kömmerling 88 MD

Kömmerling 88 MD is a 7-chamber uPVC profile with an offset design

ImageProfileModelProduct TypeWidthHeight
Kömmerling 88 MDKömmerlingKömmerling 88 MDuPVC window from 51 cm from 51 cm
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