When I had just my Quad AE downstairs as my main source of heat, I usually went through 4 tons from mid October to mid April. Now that I have the Harman upstairs to help out I am thinking that the AE will run on low to heat the downstairs and probably not very long. I am wondering if you guys think that I will use about the same amount of pellets with 2 stoves or more than usual. Anybody else with 2 stoves, what have you experienced with pellet usage?