Many people believe that because hardwood was always burned in woodstoves and fireplaces that it must be better. This isn't the case with fuel pellets. A softwood pellet will produce more BTUs (10-20%) per pound than most hardwood species and create a lighter ash. This is due to the slightly higher level of resins in most softwoods. Whether hardwood or softwood; once pelletized, there is negligible difference in the benefits of one over the other. Your greatest concern should be to purchase the best quality wood pellet from an ash content perspective in your area.