Given the slow rate at which it cools down because of the thermal mass of the soapstone, this will keep you warm all night on a couple of pieces of wood. It is also 83% efficient.
Politics in the Zeros
Topple Trump, politics, renewable energy, water
Politics in the Zeros
Topple Trump, politics, renewable energy, water
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Our cast iron Jotul keeps us warm all night on two pieces of wood. True, 15 hours is a long time… but it should be remembered that the greater thermal mass will take longer to heat up just as it takes longer to cool down.