Accelerate Your
Thermal Design

Intelligent Thermal Simulation For Electronics

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UL Webinar Coming Soon!

Don't miss UL's webinar on November 10, 2020 from 3:00pm CET to 4:00pm CET. Learn how 6SigmaET has become a vital part of the certification process.

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Thermal Focus Series: Automotive Report

Thermal trends changing the face of automotive electronics design

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Why Switch?

See why Thermal Engineers prefer 6SigmaET


6SigmaET Release 14
has arrived!

Optimization. Neutral File Format. Unified Solver. Enhanced Package Modeling.



Here are a few of
6SigmaET's historic highlights


What Makes 6SigmaET Unique?

6SigmaET is an electronics thermal modeling tool that uses advanced computational fluid dynamics (CFD) to create accurate models of electronic equipment. Designed specifically for the electronics industry, our thermal simulation software ushers in unparalleled intelligence, automation and accuracy to help you meet your requirements and overcome thermal design challenges.

Since its inception in 2009, 6SigmaET has become the fastest growing thermal simulation software in the electronics cooling market.




Built-in intelligent components know how they should behave, and are placed according to how they fit together with other objects.

Intelligent Features



Automated report generation and industry-defined file formats allow you to easily exchange data and results with your engineering team.

Connected Features



6SigmaET automatically checks for modeling errors and generates grid, so you can get the right results the first time you solve.

Automatic Features



Engineers can’t wait days for a thermal simulation to solve. Our powerful solver can quickly handle even the most complex models.

Powerful Features





Industry Verticals

The versatility of 6SigmaET allows you to simulate the thermal performance of electronic components: ranging from the smallest ICs to the largest, most powerful servers. Learn more about 6SigmaET's value to your industry by watching one of our videos or exploring our case studies.

ledsconsumer electronicsservers and racksaerospace and defenseautomotive


6SigmaET is able to model the smallest details of an LED and heat sink geometry to ensure the best possible thermal performance before prototypes are tested.

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Case Studies

Consumer Electronics

The complete CAD geometry of a device and PCB design can be imported into 6SigmaET for thermal analysis, reducing model creation time. Further time can be saved by using the 6SigmaET library, which can store parts for reuse in future thermal simulation projects.


Servers & Racks

6SigmaET's intelligent object library makes placing and switching modules in the right locations easy, and temperature-controlled axial/radial fans and blowers are available to be parametrically defined within the software for thermal modeling of electronics.

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Case Studies

Aerospace & Defense

Electronics products developed for military and aerospace face unique challenges: they need to be rugged, while still working correctly at high altitudes. 6SigmaET can model high levels of complexity—including liquid cooling—providing you with the ultimate toolset from a thermal simulation standpoint.

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Case Studies


In the coming years, designing proper thermal solutions for autonomous and connected vehicles will become even more of a challenge. With 6SigmaETs' ability to work with built-in automation, you can design the best solution for cooling electronics while balancing performance and cost. ​​​

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Case Studies



  • A comprehensive standalone tool, 6SigmaET doesn’t need additional MCAD software for data entry, which means it is especially straightforward to use. The software is fast, fits our thermal modeling needs perfectly, and experimental testing in our laboratories has proven that the simulation results predict component temperatures with accuracy.

    Norbert Engleberts
    Director, OTS

  • 6SigmaET’s ability to import complex CAD files, coupled with its robust meshing and solving capabilities, significantly reduces our modeling time. We especially like the itemized results for heat distribution and the predefined thermal thresholds, which provide an easy snapshot of the simulation conditions.

    Saket Karajgikar
    Manager, Thermal Design Group at Hyve Solutions

  • Whether building up a model from scratch or utilizing the simplicity of the software’s import capabilities for CAD and IDF data...modeling times are significantly reduced. This has helped in quickly turning around solutions during the design cycle to verify the equipment’s ability to withstand the harshest environmental conditions we know it will most probably encounter.

    Pablo Zicone
    Mechanical Engineer, SELEX ES

  • Using the quick and accurate thermal simulation features in 6SigmaET, we were able to cut our modeling time by 30%. The platform’s high-performance, cloud based solving allowed us to scale without hardware limitations, giving us the opportunity to double the number of projects we can take on.

    William Villers
    CTO & Director of Engineering, TEN TECH LLC

  • Thanks to 6SigmaET we were able to create simulated models of our soldering processes and now predict the behaviour of PCBs inside our manufacturing processes. The software proved to be the best market choice due to its ability to import all BOSCH PCB and product files, by its simulation speed and for its flexibility to adapt to different simulation environments.

    Miguel Peixoto
    Process Engineer, BOSCH

  • Over and above thermo-fluid modeling, 6SigmaET's library feature affords access to a PDM-like database for simulation models, making them accessible and shareable across the enterprise. This capability increases efficiencies, and brings consistency and reproducibility to our processes. The suite of features is user friendly, easy to use, and provides good resolution and accuracy in modeling.

    Martin Pais
    Fellow & Director, Motorola