What Idea does

IDEA GmbH is a German privately-held manufacturer of industrial induction heating technology, founded in 2009 and headquartered in Pfalzgrafenweiler-Bösingen, Germany, with a wholly-owned North American subsidiary (IDEA Induction LLC, Auburn Hills, Michigan) serving the United States and Mexico. The company designs and builds modular induction heating systems spanning generators from 1kW to 5000kW and frequency ranges from 2kHz to 500kHz, available in cabinet, mobile, tabletop, and air-cooled configurations, together with custom induction coils (including 3D-printed variants), fully automated CNC hardening machines (V1000, KH500), cooling systems, and supporting components such as transformers, capacitors, flow sensors, field concentrators, and temperature measurement/control systems.

Core technology centers on IGBT-based power electronics with a patented Simultaneous Multi-Frequency (SMS) inverter architecture (DE69111229 T2) capable of delivering high-frequency and medium-frequency power to a single coil simultaneously for contour-true hardening of complex mould components, plus a Universal Induction System (UIS) that switches between frequency ranges (8-450kHz) in under one second. Revenue is generated primarily through quote-based hardware sales of generators, coils, and automated machines, supplemented by custom engineering (electromagnetic field simulation, 3D coil design), and after-sales services including repair, DGUV V3 safety inspections, application consulting, and training. Customers are enterprise industrial manufacturers (named references include ABB, Alstom, Andritz, Voith, Belzer, Betek, Bosip, Güdel) in automotive powertrain hardening, industrial heat treatment, brazing/joining, shrink fitting, and shipbuilding/repair applications.

The firm operates a sales-led B2B go-to-market with direct sales from the German headquarters, the North American subsidiary, and a network of international sales partners. With 11-50 employees and four managing directors/partners (Andreas Häußler, Hubertus Jehnert, Andreas Heiliger, Steffen Weber), the business is founder/management-owned with no disclosed institutional investors, parent company, or external funding rounds. The company claims energy savings of more than 30% compared to conventional heating systems as its principal commercial lever, and reports 15 years of continuous induction technology and process development since 2009.

Name

Idea

Legal name

IDEA GmbH

Website

https://idea-induction.de

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

11–50 employees

Short description

IDEA GmbH is a privately-held German manufacturer of modular induction heating systems (1kW-5000kW, 2-500kHz), custom inductors, automated hardening machines, and supporting components, serving enterprise industrial customers in automotive, heat treatment, brazing, shrink fitting, and shipbuilding across Europe and North America.

Ownership category

akta.pro rank

Headquarters

HQ city

Schramberg

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales, Infrastructure

Revenue model

1. Induction Heating Equipment Sales: Sale of induction generators, inductors (coils), cooling systems, and measurement/control units. Products range from compact tabletop units (1kW) to large cabinet systems (up to 5000kW). One-time hardware purchases with custom engineering.
2. After-Sales Service and Repair: Repair and maintenance services for induction heating systems of all manufacturers. Safety inspections per DGUV V3 standards. Application consulting with 3D construction support. Training on coil construction, induction heating, and process monitoring.
3. Automated Induction Hardening Machines: Sale of fully automated induction hardening machines including V1000 universal hardening machine and KH500 ultra-compact hardening machine with CNC control systems.
4. Custom Induction Coil Fabrication: Custom design and manufacturing of induction coils tailored to specific application requirements, part geometry, and production needs. Includes 3D-printed coils with complex geometries.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

IDEA GmbH manufactures and distributes modular induction heating generators (1kW–5000kW, 2kHz–500kHz), inductors/coils (including 3D-printed variants), automated induction hardening machines, cooling systems, and supporting components such as transformers, capacitors, and field concentrators. The company also provides electromagnetic field simulation, custom coil design, and after-sales repair, training, and on-site service.

Product overview

IDEA GmbH offers a comprehensive modular induction heating technology portfolio consisting of generators (1kW-5000kW, 2kHz-500kHz), inductors/coils (including 3D-printed variants), hardening machines (V1000, KH500), cooling systems, components (transformers, capacitors, sensors, field concentrators), measurement and control systems, and simulation services. The product architecture is modular, allowing configurations from compact tabletop units to large cabinet systems, with mobile solutions for on-site applications. Core products include the UIS (Universal Induction System) switchable between frequencies, SMS (Simultaneous Multifrequency System) for superimposed frequencies, and specialized generators for medium, high, and low frequency applications. IDEA SYSTEMS extends the portfolio with automated hardening machines. The company also provides comprehensive after-sales service, electromagnetic field simulation, and custom coil fabrication services.

Differentiator

Problem solved

Functional benefit

Brands

• IDEA SYSTEMS: Division responsible for plants, machines, processes, conversions and automation within the IDEA group
• IDEAtron

Products and services

• Modular Induction Heating Generators Modular IGBT-based induction heating generators spanning 1kW to 5000kW power and 2kHz to 500kHz frequency, available in cabinet, mobile, tabletop, and air-cooled form factors for industrial heat treatment, hardening, brazing, and forging applications.
• Cabinet Systems (CS, LS, SMS, UIS, MS, HS) IP54-rated modular control cabinet systems including Compact Systems, Low Frequency, Simultaneous Multifrequency, Universal Induction, Medium Frequency, and High Frequency configurations for stationary industrial induction heating installations.
• Mobile Systems (UMS) Universal Mobile Systems (UMS 50, UMS 150, UMS 800) for mobile induction heating applications such as ship deck straightening, handheld transformer operation, and cable box systems.
• Tabletop Units (CT50) Compact tabletop induction heating units with medium frequency (10-40kHz, up to 50kW) and high frequency (120-400kHz, up to 30kW) variants for laboratory, prototype, and small-batch applications.
• Air-Cooled Generators (MS Air) Air-cooled induction generators including AIR MODULE AM10 (10-40kHz, up to 10kW) and Portable System PS10-AIR for mobile applications where water cooling is not available.
• Generator Modules (PM50) Power modules including PM50 with medium frequency (10-50kHz, up to 50kW) and high frequency (120-500kHz, up to 30kW) options and up to three outputs for OEM integration and custom system builds.
• Induction Coils (Inductors) Custom induction coils for hardening, brazing/soldering, air-cooled cable heating, and special applications. Includes solenoid coils, pancake coils, channel coils, internal coils, fork coils, and hairpin coils.
• 3D-Printed Coils and Quenches Additively manufactured induction coils and quenches offering high dimensional accuracy, reproducibility, stability, long lifetime, and short delivery times compared with conventionally machined coils.
• Universal Hardening Machine V1000 CNC-controlled universal hardening machine with Beckhoff control (6 axes), integrated inverter (40kW HF / 100kW MF switchable), working length up to 1000mm (with 1500/2000mm options) for automotive, aerospace, railway, and machinery applications.
• Ultra Compact Hardening Machine KH500 Compact pallet-sized hardening machine with CNC rotary indexing table, medium frequency up to 50kW and high frequency up to 30kW, 5-axis Beckhoff CNC control, hardness length up to 500mm, and component weight up to 5kg.
• Chillers (Cooling Systems) Industrial cooling systems and consulting for induction heating equipment across all power classes, providing water cooling for generators, inductors, and transformers.
• Coaxial Transformers (HCT series) Water-cooled coaxial transformers in S (HCT54, 200kVA), M (HCT76, 800kVA), and L (HCT133, 5000kVA) sizes for induction heating applications up to 500kHz.
• Matching Transformers Matching transformers including MATCHING TRANSFORMER S (up to 100kVA, 4-500kHz), M (up to 800kVA), and UNIVERSAL MATCHING TRANSFORMER L (up to 6000kVA, 2-500kHz), water-cooled.
• Flow Rate Meters (IDEA-VORTEX) Vortex flow sensors for cooling water monitoring: IDEA-VORTEX 28 (1.8-28l, 24V output, <100ms response) and IDEA-VORTEX 85 (5-85l measurement range).
• Capacitors Medium frequency capacitors (2-50kHz, 1.2-15uF, up to 500kVA) and high frequency capacitors (up to 150kVA) with direct water cooling for induction heating systems.
• Isolation Transformers Isolation transformers up to 2000kVA for grid separation of induction heating installations, with special executions available on request.
• Field Concentrators (IDEAtron) Field concentrators including IDEAtron HIGH (50-500kHz) and IDEAtron LOW (10-100kHz) for concentrating electromagnetic fields in localized induction heating applications.
• Temperature Measurement and Control Systems (TRS2) Temperature measurement and control systems using thermal cameras and pyrometers, including TRS2 with programmable parameter sets and GFM1 ground fault monitoring for closed-loop process control of induction heating.
• Electromagnetic Field Simulation Consulting and simulation services for electromagnetic field analysis to optimize induction heating processes, inductor geometry, and heat distribution for specific part geometries.
• After Sales Service Repair and maintenance service for induction heating systems of all manufacturers, DGUV V3 safety inspections, application consulting with 3D construction support, and training programs on coil construction, induction heating, and process monitoring.

Quantifiable outcome

• Energy savings of over 30% compared to conventional systems
• +1 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• EFD Induction: Norway-headquartered manufacturer of induction heating equipment, generators, and coils serving the same hardening, brazing, and heat-treating applications as IDEA, with comparable frequency/power ranges and global sales coverage.
• Inductotherm Group: World's largest induction heating manufacturer, offering melting, heating, and heat-treating systems; competes with IDEA in industrial induction heat treatment across automotive and general industrial customers.
• Eldec (Schunk Group): German induction heating specialist owned by Schunk, with strong position in automotive powertrain and e-mobility component heating; directly overlaps IDEA's hardening and brazing business, particularly with German OEMs.
• Ajax Tocco Magnethermic: Long-established North American induction heating OEM focused on forging, heat treating, and metal processing; competes with IDEA in the same automotive and industrial customer base.
• GH Induction: Spanish manufacturer of induction heating systems including medium- and high-frequency generators and coils; comparable modular product architecture targeted at industrial heat treaters.
• Ambrell: US-based specialist in induction heating solutions, including generators, coils, and application engineering for brazing, hardening, and shrink fitting; directly comparable product portfolio and go-to-market approach.
• RDO Induction: Dutch induction heating equipment manufacturer offering standard and custom induction generators and coil systems for hardening, brazing, and annealing; competes with IDEA in European industrial accounts.

Emerging players

• Ultraflex Power Technologies: US manufacturer of solid-state induction heating power supplies focused on smaller-footprint, higher-frequency systems; partial overlap with IDEA's high-frequency tabletop and module products.

Regional players

• Denki Kogyo: Japanese manufacturer of industrial heating equipment, including induction heaters for automotive and machinery applications; comparable product set but primarily serving Japan and Asia.

Broad incumbents

• Trumpf (Laser / Heat Treatment): Large German industrial equipment group with laser-based heat treatment solutions that compete in select applications (selective hardening, surface treatment) against induction systems like IDEA's SMS.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/idea-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Idea