Solid‑Crystal Cooling Could Replace Old Fridge Tech

Barocal’s solid‑state cooling promises energy savings and no harmful leaks.

The Core Concept

Solid‑state cooling: Uses an inexpensive solid that heats up when compressed and cools when released.
No refrigerant gas: Eliminates the risk of ozone‑depleting or greenhouse gases leaking.

How It Works

Compression
The solid’s molecules are forced into alignment, stopping their rotation and releasing heat.
Expansion
When pressure is released, the molecules regain freedom to rotate and absorb heat.
Heat Transfer
The solid carries the released heat from inside the fridge to a water‑cooled radiator, where it’s dissipated.

Why It Matters

Feature	Traditional Vapor Compression	Barocal Solid‑State
Energy Use	Higher (compressor motor)	Lower (minimal compression force)
Greenhouse Gas Risk	High (refrigerants)	None (solid only)
Maintenance	Leaks, refrigerant handling	No leaks, simpler design

Company Snapshot

Founder: Xavier Moya – Cambridge materials physics graduate.
Funding: $10 million seed round from World Fund, Breakthrough Energy Discovery, and others.
Next Steps: Pilot on large HVAC units and commercial refrigerators to showcase energy savings.

The Vision

Barocal aims to deliver a rapid, large‑scale impact on operating costs by replacing traditional compressors with a cleaner, more efficient technology.

Takeaway

By turning a century‑old principle into a modern, solid‑based solution, Barocal could revolutionize how we keep our food cold—saving energy and protecting the planet.