A Direct Vent Stove brings in air from outside for combustion and exhausts pollutants back outside through the same pipe. This works because of a coaxial piping system; a smaller pipe runs through a larger pipe. When comparing Direct Vent Stoves with other venting styles, it is clear that a Direct Vent configuration has substantial advantages. B-Vent Stoves, because of the nature of their design, are less efficient. They take air from inside your home, which could potentially already be warm, and vent it outside while emitting radiant heat. Direct Vent Stoves always have an enclosed front (usually a glass door set) that seals in exhaust fumes, effectively preventing any leaks into the room. To learn more about Direct Vent Stoves, visit our Venting Options page or call us at (877)669-4669.