Thermal insulation
Passive-house-level performance keeps your home cooler in summer and warmer in winter.
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Sustainable uPVC windows and doors from Kömmerling® — engineered in Europe since 1897, supplied & installed across Australia by APS Double Glazing.
Multi-chamber uPVC profiles deliver U-values as low as 1.0 W/m²K.
Since Karl Kömmerling founded the company in 1897, high quality and advanced technology have been the be-all and end-all. Today, Kömmerling is one of Europe’s leading window system manufacturers.
From the earliest adhesives and synthetic rubber to modern uPVC and beyond, an innovative spirit has driven every chapter. All our window and residential door systems stand for quality, comfortable living, climate protection, longevity and sustainability.
Six systems-level advantages that come standard with every Kömmerling window and door.
Passive-house-level performance keeps your home cooler in summer and warmer in winter.
Up to 45 dB reduction — you only perceive 1/24th of outside noise.
Multi-chamber uPVC profiles with steel reinforcement and laminated glass.
Airtight, watertight and windproof — designed for harsh Australian climates.
Any shape, any RAL or bespoke colour, timber finishes and textures.
Certified performance up to BAL 40 with sustainable, recyclable profiles.
The built environment accounts for 25% of Australia’s greenhouse gas emissions. Choosing high-performance uPVC reduces heating & cooling loads, cuts CO₂ emissions, and lasts for decades under the harshest climates.
Ear perceives ½ of previous noise
Ear perceives ⅛ of previous noise
Ear perceives 1/24 of previous noise
Lead-free stabilised uPVC with steel reinforcement, low sightline gaskets and glazing beads for 6-36 mm glass.
Premium lift & slide door system with unusual dimensions and multiple sash configurations — up to four sashes.
Precision-fit sliding doors that glide silently on metal tracks, in white or laminated wood-grain designs.
Rectangular or circular, triangular or trapezoid: with Kömmerling systems you choose the shape that suits the building, whether a modern facade, a heritage restoration or a small roof gable. Pick your opening type too, from single or multiple sashes to tilt and turn, outward or inward opening.
A wide range of RAL and bespoke colours, finishes and textures, including woodgrain surfaces with a genuine timber look.
Timeless white windows with a smooth, glossy surface for lasting looks and easy maintenance.
Hard-wearing and easy to clean, in a single colour both sides or a colour outside with white inside.
A natural timber look outside with white inside, or woodgrain both sides, with all the benefits of uPVC.
Airtight, watertight and windproof: ideal near pools and in marine or coastal settings exposed to strong wind, heavy rain and salt air. Tested to Australian Standards.
| Property | Classification | Test method | Result |
|---|---|---|---|
| Air tightnessQuantity of air passing through a closed window or door | AS 2047 | AS 4420.4 | Air flow as low as 0.05 / 0.11 |
| Water tightnessResistance to water penetration under pressure | AS 2047 | AS 4420.5 | Up to 5000 Pa |
| Wind resistanceStructural wind load resistance and deflection | AS 2047 | AS 4420.1 | SLS up to N6, C4 · ULS up to N6, C3 |
Most break-ins happen during the day, and attempted burglaries are on the rise. Kömmerling systems are engineered with security built into the frame.
Karl Kömmerling founds the company
Start of uPVC production
First uPVC window profiles
100th anniversary
profine GmbH founded
Supplied to ~50 countries worldwide
Talk to APS Double Glazing — Australia’s Kömmerling specialist — for a free measure & quote on windows and doors that last a lifetime.
Request a free quote → koemmerling.com.au