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Window systems in steel, aluminium and wood Slender and cost-effective with a full range of functions: Our slender window profiles in steel, stainless steel, Corten steel, aluminium and wood-metal max

Steel windows New Architectural Possibilities View our selection of steel systems for windows. Durable and stylish, these systems provide increased natural light, elevated aesthetics, and security. Co

Thermally insulated

Burglar resistant

Bullet proofing

Non insulated

CONNEX wood / metal

Our services in the water management area We maintain long-term partnerships with our customers and suppliers. The close co-operation with our suppliers allows us to develop individual material recipe

Worldwide sales network We are at home wherever our competence is needed Leading in Switzerland, we impress with our consulting expertise in international markets. The reliability of our products, opt

Object questionnaire, double-wall insulated pipes

Q-Bic Plus Online Calculation The product Qbic Plus was replaced by the product Aquacell NG in 2024.

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Our services in the profile extrusion area We maintain long-term partnerships with our customers and suppliers. The close co-operation with our suppliers allows us to develop individual material recip

Product information Plastic Solutions World first in the geothermal: JANSEN shark World first in the geothermal: JANSEN shark technologie (185 KB) Images: JANSEN shark technologie (7 MB) JANSEN shark

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Polymer materials Versatile use of polymer materials In production, we have endless possibilities related to the usage of polymer materials (thermoplastic polymers). We have a large range of thermopla

Technology partnership Strong partnerships for innovative developments Shared objectives lead to strong results. Together with our technology and development partners, we are always forming something

Competences A pioneering spirit going back decades Our products and services reflect the pioneering spirit present in the small workshop operated by Josef Jansen in 1923. We have been manufacturing tu

Reference reports

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JANSEN powerwave One pipe. Many possible applications. Geothermal systems with the patented JANSEN powerwave corrugated pipe technology offer the highest level of performance. The internal corrugation

Air-conditioning In the area of ventilation and air-conditioning, as well as sound insulation, we are pleased to address specific customer wishes within our product range. Contact partner In-house sal

Sanitary

Heating

Collector systems

Thermal earth probes

Accessories

Gas supply

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The employees of Jansen AG were able to practise directly for an emergency in fire extinguishing training today. What to do in the event of a fire? As part of the Primus AG training campaign, various

Profile Extrusion Our wide variety of profiles for your individual solutions Wherever you intend to use your plastic profile, whatever requirements it is required to fulfill - our engineering departme

Double-walled systems

The international campaign "Steel. Material of Masterpieces", Jansen impressed in the Integrated Campaigns and Advertising category of the German Design Awards 2025 with its comprehensive concept and

Drinking water supply

Frequently Asked Questions Questions/problems/information Butt hinges cannot be selected for aluminium systems (inward opening) In the "Panel properties" of an opened item, under "Openings", you must

Functions in detail User interface The menu ribbon simplifies and speeds up the use of the program for standard units and special constructions. In addition, the software notes your previous selection

Design software JANIsoft Jansen services cover a wide and detailed field including testing, calculations and dimensioning. Our in-house developed software JANIsoft can be a great help and comes in thr

JANSEN nero is approved as a universal system for the draining of wastewater within buildings according to SN EN 1519 and for buried pipes according to SN EN 12666. The range comprises tubes and fitti

#materialofmasterpieces Environmental Performance Discover the sustainable side of steel: A material that lasts for generations. A symbol of durability, found in historical landmarks, architectural ma

Sustainability – Use of steel over generations Steel has been used for thousands of years for a wide variety of purposes. The material is melted down again and again to create something new. Steel und

Innovative surface finish protection ZF 100 For Jansen steel profile systems What has proven its worth over many years in the automotive sector is now being used in the construction industry for the f

Media Jansen is delighted to provide media information and illustrations regarding the company and its products as well as references and schedules of current events. Media information Fairs & Events

JANSEN connect are ideally suited for probe connection lines and collector systems. They are made of the latest generation of PE 100 RC, SKZ-certified and meet the requirements of SIA 384/6, ÖWAV regu

The fully welded valve chamber offers absolute tightness and therefore maximum safety for use in waste water and drinking water applications. The chamber is compact, lightweight and customizable - for