HD brands of pellets change frequently. I just happened to come across some Bayou 100% hardwood pellets. They are 207 a ton. Took home a few bags to try. To my surprise, the burned hot and I had NO ash accumulation in the burnpot. I have one of those electronic gadgets that measures surface temp. I aimed it at the tubes that blow out the hot air into the room. It read 314 then went to Hi, My whole downstairs was 83F so I had to turn the stove down. I was not running it on the highest setting, but was using the setting I usaully use for mix wood pellets. I think I'll pick up a ton just to have when the temps drop down in the teens or worse. I still have 3 tons of green bag Energex and a couple of tons of MWP. Both those give good heat, but the Energex leaves a lot of ash in the burnpot. Just bought a 100 gallons of oil today at about 3.60 a gallon. Last oil bought was Aug 2010 . I wasn't out of oil, but I didn't want to have to keep an access shoveled out for a delivery.