The length of time that 20lbs of Wooden pellets will last inside a pellet stove depends on a number of factors, including the performance of the stove, the burn up rate, as well as temperature location. On common, a pellet stove will burn off involving one-3 lbs . of pellets https://woodbrezany.com/en/how-long-does-40lb-bag-wood-pellets-last/