potentially dumb question but does a bigger stove in the pellet world just mean more fuel burned? im assuming larger stoves just burn more pellets hence the higher BTU output but im not sure. in coal stoves its not neccesarily that, they hold more coal but dont burn more for always output more BTU. Reason i ask is for an extra 500 bucks for the next size up id probably rather just rip this stove at its peak than deal with a return and exchange.