Give your home a new character
Our renovation solutions enable clean and quick window replacement, tailored to the existing building fabric. This gives you comfort, modern design and better insulation without losing the character of your house.
The KOCHS window for your renovation
Perfect fit and neatly assembled
Our renovation solutions adapt flexibly to existing construction situations — ideal for replacing individual windows without extensive construction work. This preserves the character of the building while keeping technology and comfort up to date.
Fresh look for your home
The KOCH window gives your façade and interior a contemporary appearance — with more light and harmonious design options.
Noticeably better quality of living
Thanks to efficient sound and heat insulation, more convenient operation and modern safety standards, you will experience more peace, warmth and comfort.
One window exactly in your style
From our wide range of designs, choose the shape, color and material for a KOCH window that matches the architecture of your house — down to the last detail.
Find the right KOCHS window for your home
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Whether stylish design, reliable safety or environmentally friendly efficiency, every cooking theme shows what a window can do. They all combine the highest quality, durable materials and innovative technology for a home that suits you.
Your next steps with KOCHS
Consultation and initial measurement
Selection of windows and doors
Preparation of offers with a fixed price
Production and assembly
FAQs
KOCHS produces high-quality plastic windows and aluminum windows with a modern design, excellent thermal insulation values, a high level of safety and durability. Ideal for new construction, renovation or renovation. Discover our systems in our exposition.
Yes, all KOCH windows are custom-made in Herzogenrath. Choose from countless colors, shapes, glazing and handles — perfectly tailored to your style. Contact us for a personal advice.
Our energy-efficient windows meet passive house standards and achieve top Uw values. This reduces heating costs and CO₂ emissions. Find out more about our sustainable solutions.
Safety is the focus: Our windows with burglary protection, safety glazing, mushroom head lock and lockable handles effectively protect your home. Get a free offer.
Usually 5-6 weeks from technical approval, depending on product and order size. There may be deviations in the case of custom-made products. Plan your project with us — inquire now.
Yes, KOCHS delivers and assembles via its own teams in the Aachen region or qualified specialist partners. These take care of measurement, installation and maintenance. For local end customers: visit our Exhibition in Herzogenrath.
Absolutely! Our partners advise on KfW or BAFA subsidies for energy-efficient renovations and burglary protection. KOCHS provides evidence and, upon request, accepts the application. Take advantage of our Funding advice.
4-year manufacturer's warranty with proper installation and care. Expanded conditions may apply to components.
Our easy-to-clean windows are easy to clean with a mild agent. Regular maintenance of seals and fittings ensures durability. Care instructions are included with every product.
As an end customer, contact a specialist partner near you — for local customers, we recommend our exposition. Architects and planners receive technical data and documents on our specialized landing page.
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