I'm trying to figure out the cost of heating with a super premium (Turman) vs a premium (GS). Understanding that the GS will not produce sufficient heat for the coldest days and the Turmans will be necessary, for the shoulders I believe the feed rate determination will be essential to determining the most cost efficient approach. Assuming the bottom 3 buttons are set on 1-4-1 does anyone know what the feed rate in lbs/minute is for the varying heat settings 1 - 9? I have noted that the Turmans will put out more heat at each settings than the GS, which leads me to believe that I may have been looking at false savings by just looking at the cost/ton. But to understand the ratio of feed rates/costs will enable me to evaluate the cost/comfort. Just another question, does the first bottom button increase the auger turn rate and does the middle button increase the volume of exhaust air passing through the chamber?