Towseef observed and modified the traditional Bukhari, which is commonly used in every household of Kashmir to fight the chilly winters to increase its efficiency. He used logs made from gypsum and baked clay (powder of bricks) to retain heat for longer period. The modified bukhari requires less than 1 kg/h of wood/coal, which is 3-4 kg/h in the traditional one. After complete combustion of fuel, it can retain heat for about 3-4 hours, while in conventional alternatives heat remains for half an hour only. The technology has been validated by NIT Srinagar and the design is being improved upon to increase the efficiency further.
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