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Saudi innovation converts heat into energy
A Saudi innovator has developed an integrated system that converts the temperature difference between outdoor air and cooled air into electrical energy to operate sensors within air handling units. The development of the system took approximately 18 months, and the inventor was awarded a Saudi patent in June 2026. The system aims to reduce the unit's energy consumption by up to 15% by harnessing the temperature difference to power the sensors, rather than generating electricity to supply the entire building. The innovation relies on semiconductor materials that generate an electric current when there is a temperature gradient across them, thereby enhancing system performance as the temperature difference widens. It is used in buildings such as hospitals, schools, and factories, with reduced maintenance requirements, and is expected to contribute to improving the energy efficiency of air conditioning systems.
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