Solar space heating - Solar-powered air heaters and rock bed thermal storage to heat homes
This robust, low-cost solution allows for homes to be heated reliably and cheaply in challenging high-mountain regions like the Argentinian and Bolivian Altiplano, Ladakh and Kargil in the Himalayas.
Based on proven technology, a simple solar air heater circulates air through a rock bed below the floor in a closed loop. The floor provides under-floor heating, creating an ideal temperature distribution in the room. Due to the big thermal capacity of the rock bed, rooms are heated 24h per day, even during 1-2 days without sun. No more searching for fire wood, or buying gas, no more smoke in the rooms which contributes to respiratory diseases or carbon monoxide incidents.
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