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Masters of Heat Treatment Technology
We are Masters of Heat Treatment
Aichelin is a globally operating furnace construction group – one of the technologically leading manufacturers of industrial systems and furnaces for thermal heat treatment. With one of the most comprehensive portfolios in the industry, we offer solutions for almost any challenge: from large-scale continuous systems to highly precise vacuum and nitriding technologies.
For over 155 years, we have been shaping the progress of our industry. Today, more than 1,350 employees at locations in North America, Europe, and Asia are part of our global team. Our customers in all important markets rely on this expertise – and on our attitude: We are masters of heat treatment technology.

Reliability that makes you productive – Reliability at Work
Our promise is clear: Aichelin stands for reliable heat treatment processes. So that your production runs. Safely, efficiently, and with maximum quality.
What 'Reliability at Work' means for our customers:
Reliable production processes
Minimal downtime, scheduled maintenance intervals, and systems that perform consistently under the harshest conditions.Reliable process quality
Repeatable, precise results – for products that exactly meet your customers' requirements.Reliable system safety
Modern safety concepts that prevent accidents and protect your employees.
Reliability is not just a promise of performance for us. It is the core of our development work and the standard by which we measure ourselves daily.

Technology expertise that sets standards
Technology is at the heart of our actions. Our customers trust us when it comes to demanding processes, extreme temperatures, and highest availability. We develop solutions that convince under real production conditions – worldwide, around the clock.
What distinguishes us technologically:
deep process know-how of various heat treatment methods
engineering expertise from over a century of research and application
robust, durable system technology
digital services and networked production systems
tailored solutions from large-scale systems to precision systems
With this combination, we create technologies that not only work today but will also make a difference tomorrow.

Think global. Support locally.
The strength of the Aichelin Group lies in combining global presence with genuine customer proximity. We unite international engineering excellence with local service and regional expertise.
This means for our customers:
direct contacts in all important markets
quick response times for service and spare parts
international standards implemented locally
closely integrated teams working across countries, locations, and companies
This ensures that every Aichelin solution works reliably worldwide – and perfectly suits your requirements.

Sustainability as a technology claim
Efficient heat treatment is a crucial lever for sustainable industrial production. Aichelin technologies help our customers reduce energy consumption, optimize material flow, and operate plants with maximum efficiency throughout their entire life cycle.
Our sustainability commitment includes:
energy-efficient system technologies
optimized process management to reduce emissions
digital tools for predictive maintenance and maximum lifespan
modernizations and upgrades of existing systems to conserve resources
Sustainability is not an addition for us – it is an integral part of our value proposition.