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Kömmerling 76 MD

The energy-saving Kömmerling system

from 46from 46

incl. 19% VAT, free delivery**

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

The benefits at a glance

  • 6-chamber profile
  • Angular appearance due to offset design
  • 76 mm construction depth
  • Available with double and triple glazing
  • 3 seals
  • Excellent thermal insulation, Uw-value = 0,77 W/m²K
  • Suitable for low-energy homes
  • Low-maintenance, weather-resistant surface
  • German brand quality

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HeathmontMelbourne, Australia
Composite windows and doors for a passive house

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

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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: The window is available with triple and double glazing. Triple glazing provides a superior thermal performance, helping to save on energy bills

  • 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 50 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 76 MD – The advantages in detail

A wide range of design options

At windows24.com, the Kömmerling 76 MD profile can be configured to suit individual requirements and tastes. Different glazings can be selected, for example and while some, such as security glazing, provide superior impact-resistance, others like a double-glazed ornamental variant add privacy and charm. For a finishing touch, glazing bars can also be added and the window’s colour can be selected from our generous RAL palette. Tones like anthracite grey or golden oak are popular favourites.

The selected colour for a Kömmerling 76 MD window is applied through an innovative foiling process which contributes to the window’s long-lasting finish and low-maintenance.

Unlike wood, for example, which must be regularly oiled and repainted, uPVC with a decorative foil impresses with its weather-resistance and durability; The popular surface only requires a little water and detergent to remove any build-up of dirt and will remain in good condition for years to come.

Excellent thermal insulation

Literally translated from German, the “MD” in the Kömmerling 76 MD profile’s name refers to its additional centre seal.

In contrast with the AD version of the window, this MD profile has 3 seals rather than 2 which has it provide superior sound and thermal insulation as well as increased energy bill savings.

The seals are, however, not the only key factor impacting insulation. With its large surface area, the window glazing also plays an important role.

Where double glazing provides a good standard, for example, triple glazing performs even better at keeping undesirable incoming or escaping heat to a minimum to maintain a comfortable stable interior temperature.

Measured in u-values, which define the amount of heat lost each hour per square metre, the Kömmerling 76 MD profile, with its different glazing options and add-ons, can therefore acheive an excellently low thermal Uw-value of 0.77 W/m²K. This makes it suitable for installation in new-builds as well as for low-energy projects and renovations.

Kömmerling 76 MD

Kömmerling 76 MD is a 6-chamber uPVC profile with an offset design

ImageProfileModelProduct TypeWidthHeight
Kömmerling 76 MDKömmerlingKömmerling 76 MDuPVC window from 51 cm from 51 cm
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