Welcome at

Our DNA: close customer proximity, shaped through medium sized business; decades of experience with the world leading manufacturer of vacuum furnaces. Our customer advantage: A significant benefit through consisting consulting service and quick access to spare parts and service activities for all plants of established industrial furnace manufacturers. Fast reaction times and a maximum of engagement and reliability determine our thinking and acting.

IOS focuses especially on spare part management and service of industrial furnaces through:

  • fair pricing
  • professional advice
  • high availability (24-hours-hotline)
  • fast delivery and problem solution

Experience more about IOS and contact us !

Our achievements

Our range of services for your business. Regarding the operation of your industrial furnaces we accompany you with decades of know-how, competence and great motivation.


The IOS-team gives advice to all technical aspects – upon request and at need – also directly at your premises.

Delivery and specialist assembly

IOS delivers all components with OEM-quality or more sophisticating quality. Fast reaction of IOS Service Engineers reduce down-times. Hot zone (muffle) repair jobs are done at the IOS plant Arnsberg or at your site.

Preventive maintenance

The IOS team completes maintenance, leak detection, technical measurements, temperature uniformity survey (TUS) and all other certifications directly at customer`s premises.

Dismantling and reconstruction

We undertake mechanical and electrical dismantling and reconstruction of your furnace plant including necessary periphery (water, gas, etc.).


Our offer also includes the commissioning of industrial furnace of all established manufacturers.

IOS contact

We are pleased to receive
your inquiry!

IOS - Industrie Ofen Service GmbH
Bahnhofstraße 149 k
59759 Arnsberg

Fax: 0049 2932 / 494332-9
Hotline: 0049 2932 / 494332-8
E-Mail: info(at)ios-gmbh.online

Spare parts department

Stephan Frieg
Head of spare parts department

Telefon: 0049 2932 / 494332-1
Telefax: 0049 2932 / 494332-9
E-Mail: stephan.frieg(at)ios-gmbh.online

Service department

Oliver Mellmann
Head of service department

Telefon: 0049 2932 / 494332-2
Telefax: 0049 2932 / 494332-9
E-Mail: oliver.mellmann(at)ios-gmbh.online