What if your walls could keep themselves cool?



CoolFlux improves insulation at low cost.


CoolComposites is developing CoolFlux, a drop-in additive for building materials like foam insulation that automatically improves thermal performance without any hassle to the contractor or building owner. A thermally-reversible inorganic phase-change material, CoolFlux absorbs heat during the day and releases it overnight, recharging itself for the next day.


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