A new kind of heat exchange

FLEX™ re-engineers how heat moves between fluids, so low-cost, energy-dense materials can store cooling efficiently. It’s the foundation for high-return thermal storage in data centers and HVAC.

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Data centers want speed to power

A data center’s power is split across compute, cooling, and overhead, and new capacity is slow and expensive to bring online. Cutting the power that cooling draws at peak leaves more for compute.

Heat exchange

Two immiscible media move in separate paths

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Thermal storage

Flow agitates the material without emulsifying it

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Modular scale

Modules added in parallel

Energy-dense storage from low-cost materials

Uses low-cost salt hydrates

High energy density

Standard parts throughout, no specialty components

Modular architecture enables projects to scale at minimal marginal engineering cost.

Deployed and patented

FLEX is field-deployed in HVAC today. The data center model is designed and built from this foundation, with validated prototypes, paper studies, and in-house modeling for hyperscale and edge data center sites. The technology is protected by patents and know-how developed over years of iteration.

The engineering behind

FLEX

We can take you through the materials science and test data in depth.