The length of time that 20lbs of wood pellets will last inside a pellet stove is determined by quite a few aspects, including the efficiency on the stove, the burn amount, plus the temperature environment. On normal, a pellet stove will burn off in between 1-3 lbs . of pellets https://how-long-does-a-20lb-bag79012.wikitidings.com/6891675/about_how_long_does_a_20lb_bag_of_pellets_last