How Clay Pots Can Make Any Home 50% Cooler WITHOUT Electricity
The terracotta "pot roof," or filler-slab technique, embeds rows of inverted clay pots into a concrete roof slab so that the sealed pots form air pockets that naturally insulate the home and keep it cooler without electricity. The remarkability is the size of the effect for the price: it's a traditional Indian method now being revived against extreme heat, with popular reporting claiming it can cut indoor heat by as much as 50%, while the same trapped-air layer retains warmth in winter, making it work year-round
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