For journalists and analysts writing about Albotherm.

The story so far

Albotherm makes a heat-activated glass material that turns transparent to diffuse white as the glass heats, and then back again as it cools. This all happens passively, with no power or controls. From cutting edge research; we are now in the commercialisation phase, looking to bring this technology to the industries that need it.

Press kit

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Boilerplate

Short version

Albotherm is a Bristol-based materials start-up developing environmentally intelligent materials for buildings and greenhouses. Clear when cool, its materials turn reflective white when temperatures rise, then return to clear when conditions cool again – activated entirely by heat and requiring no electricity. The same response addresses two markets: cooler, more comfortable buildings and healthier, higher-yielding crops.

Long version

Albotherm is a Bristol-based materials start-up developing environmentally intelligent materials for buildings and greenhouses. Albotherm’s materials are clear when cool and turn reflective white when temperatures rise, blocking excess heat – entirely passively, without electricity, moving parts, or manual control – then return to clear when conditions cool again. The transition temperature is tuneable between 0°C and 45°C, allowing the material to be configured for different climates and applications.

In buildings, the technology is designed to protect occupants from overheating on the hottest days, keeping homes, offices and schools comfortable while reducing reliance on air conditioning. In greenhouses, it is designed to protect crops from heat stress, supporting healthier, higher-yielding harvests. In both cases, the same effect applies: protection from overheating without the trade-off of losing daylight in cool conditions.