what an awesome stove, it is extremely quiet, burns less pellets, and provides more heat than my us stove 5510. i cannot believe how efficeint this stove is. it appears to extract every little bit of heat out of every pellet. its currently mild outside, outside temp is in the lower 40's and this stove is barely running its set on #2 lbs per hour of pellet and im sure its not even burning that. the fan kicks on for a couple of minutes and then the stove kicks itself back down. anyways what a nice heating, well built stove. i dont think my other stove was making best use of the pellets but the harman certainlly does. its also nice that im going to have to clean out the stove approx only once per ton. my other stove required cleaning once per week or more. everytime i shut the old stove down i would have a cold house until i had it back up and running again. once per ton to empty the ash pan and a full cleaning every 2-5 tons means that i dont have to shut this unit down very much. the harman is an amazing product and im thrilled with it. i think they are the best pellet stove in the industry and im sure their other products are great too, im sure they make awesome coal and cord wood units as well.