Esker - Superior Winter Tent StoveEsker Superior Winter Tent Stove When you're heating a large canvas tent through a Canadian winter night, firebox volume is what keeps everyone warm until morning, and the Superior delivers more of it than any other stove in Esker's lineup. At 56. 7 L, the Superior's burn chamber is sized for big spaces, making it the natural match for a 12' x 12' hot tent with a full group inside. The damper and draft control door let you manage the burn precisely,