World’s first thermal design software for each level of engineering experience

Coldstream enables engineering beginners and empowers experts. Irregardless of your design complexity, we cover your back.

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Enabling engineering beginners,
empowering thermal design experts

Minimal setup

No installation, no maintenance, no hardware. Leave behind complex engineering tools, and experience the benefits of cloud computing for thermal design optimization with Diabatix.

Minimal learning

Introduce an intuitive workflow to your engineers with minimal expertise and a minimal learning curve required. Diabatix benefits thermal design optimization for engineers at any level.

Maximal support

Find detailed answers to all of your thermal design optimization questions within our blogs, documentation pages and materials, webinars or via our live software and engineering support; provided by a dedicated team of engineers and experts.

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Expand your design limits with generative AI

We combine all high-end technologies for cooling design in one easy-to-use platform.

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Predict temperatures quickly and accurately

Use ColdStream to assess the thermal performance of your product easily.

Get essential heat transfer analyses and insights into temperature distribution, heat dissipation, fluid flow, thermal resistance, thermal radiation, cooling capacity, and more!

Your initial thermal simulation results will be available within minutes.

Are you looking for high thermal simulation result accuracy?

Then check out our computational fluid dynamics (CFD) simulation software capabilities that deliver these heat transfer analysis results within a few hours.

Read more about our CFD capabilities
diabatix thermal analysis software for cfd convective heat transfer simulation and more for any heat sink via thermal simulations
thermal radiation and convective heat transfer analysis of heak sinks with diabatix heat transfer interface and thermal simulation

Automatically find the right standard heatsink

Do not spend more time looking for the best-suited heat sinks to cool your electronic devices and products; let ColdStream do this for you!

You can upload the geometry, configure the thermal simulation operating conditions, and set up the design objectives of your heat sinks in just a few clicks.

Forget all your worries about typical and tedious heat transfer simulation pre-processing steps such as meshing, pre-selecting heat sinks, materials or a manufacturing type.

With Diabatix's thermal management software, ColdStream does the hard work for you and provides a standard heat sink and cooling design optimized to meet your needs.

Learn more about our selection methods

Generate optimal and custom heat sinks for your thermal management needs with AI

Do you need to push your design's thermal performance to its limits and explore all of your heat dissipation options?

Use the ColdStream custom design option and benefit from the magic of generative design for all electronic devices and beyond.  

ColdStream's thermal and flow optimization process is driven by AI, and the resulting heat sink designs and overall thermal performances are beyond human imagination.

Dibatix's completely customized design through heat transfer simulation will meet both your design targets and manufacturing requirements.

Discover topology optimization
thermal management and thermal analysis of heat sink's surface area for radiative heat transfer and more with diabatix
material library for thermal management with diabatix to assess material properties for heat sinks heat pipes and more for different heat sources and high temperatures

Access ColdStream's libraries with +300 materials

Don't worry about finding the right material properties for your thermal or heat sink design.

Our libraries contain over 300 items, including all common materials our users need. Easily compare various types of solid materials, fluid materials or thermal interface materials for thermal contact for heat transfer.

Does your application integrate a fan or a pump? No problem, you can access their performance curves via the libraries as well.

Can't find your specific item? Don't hesitate to extend the library with your own custom settings.

Thermal analysis software that facilitates team collaboration

With ColdStream, you can easily collaborate on the same project with your colleagues.

Control the access to different thermal management projects and get a history of performed actions.

Share your findings and work with your colleagues by adding them to your project.

Control the permissions by assigning the appropriate user roles.
coldstream collaboration function features to view factors and share findings around devices temperature difference and more thermal analysis software findings

Keep control over everything that is important to you

  • Full overview of your data storage locations
  • Monitor storage space
  • Erase your data whenever you want
  • Project overview
  • Case management
  • Live status
  • Two-factor authentication
  • Fips-140 level 4 storage protection
  • IP and activity logging

Get the ColdStream experience today

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