Why Latent Heat Matters

At MGA Thermal, we’re often asked why we’ve built our technology around latent heat rather than conventional sensible heat systems. The answer is simple: it saves customers money while delivering stable, reliable performance.

Latent heat is the energy absorbed or released when a material changes phase - like melting or solidifying - without changing temperature.

And that simple principle unlocks major commercial advantages:

  • 2–3x higher energy density than sensible‑heat systems, meaning more energy stored in a smaller footprint and lower capital cost per MWh

  • Continuous heat recovery at a constant outlet temperature, ensuring stable, predictable performance for industrial processes

  • High storage density at lower temperatures, avoiding expensive materials and reducing balance‑of‑plant complexity

Our MGA Blocks take this even further. Each block contains a phase‑change alloy safely encapsulated within a solid graphite matrix. The alloy cycles through its phase change internally, while the block remains solid on the outside - combining the performance benefits of phase‑change materials with the durability and simplicity of a sensible heat system.

If your organisation is looking to cut emissions and operating costs, latent heat thermal energy storage isn’t just the clean choice - it’s the commercially smart one.

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