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Turning waste glass into electricity-free cooling solutions

The accumulation of urban solid waste, particularly waste glass, is a growing environmental crisis, with millions of tons piling up in landfills worldwide. This problem is exacerbated by the rapidly increasing demand for cooling in buildings due to rising global temperatures, which are straining energy systems and driving up greenhouse gas emissions. Cooling alone accounts for a significant portion of global electricity consumption, and the reliance on energy-intensive air conditioning solutions further accelerates climate change.

What is the Solution?

ReHarmony introduces their solution of E-COATING, a groundbreaking exterior cooling solution that transforms waste glass into a high-performance thermal coating for buildings and industrial systems. By leveraging recycled glass as the primary material, their solution addresses two critical global challenges: the accumulation of urban solid waste and the rising energy demand for cooling in a warming climate. This dual-purpose innovation reduces landfill waste while providing an energy-efficient solution to lower indoor temperatures, significantly cutting reliance on air conditioning systems.

Unlike conventional coatings that rely on costly nanomaterials, ReHarmony’s solution harnesses readily available waste glass, making production both affordable and scalable. Its high reflectivity and heat emissivity create a cooling effect without electricity, providing a sustainable alternative to traditional energy-intensive cooling systems. This not only reduces electricity consumption but also helps combat urban heat islands, fostering cooler, more livable cities. By repurposing waste into a cost-effective, sustainable product, this is an innovation that benefits both people and the planet, paving the way for greener construction practices and industrial solutions.

What EQT Foundation loves about ReHarmony

ReHarmony’s E-COATING is a brilliant example of turning waste into opportunity. By transforming waste glass into a high-performance cooling material, they address two critical issues: reducing landfill waste and providing a sustainable alternative to energy-intensive cooling systems. Their innovation is practical, scalable, and impactful—helping to combat urban heat and build cooler, greener cities. It’s not just about sustainability—it’s about rethinking how we use resources to build a better future for both people and the planet.

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