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French startup uses Hi-Fi speakers to develop eco-friendly heat pumps


Amidst the climate and energy crisis, heat pumps have emerged on the housing heating market as a technology that can replace gas and oil, while lowering the energy bills. Yet, their air compression systems require refrigerants to work. These refrigerants, also known as hydrofluorocarbons (HFCs), are amongst the most potent greenhouse gasses. Founded in 2017 and having raised €5 million, French deeptech startup Equium is seeking to provide a more ecological alternative. With this aim, it has developed a novel, acoustic heat pump core that harnesses the energy of sound. The so-called Acoustic Heat Pump (AHP) can cover a household’s heating…

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