Other Differences between fuel types and brands of pellets

There are a number of variations in pellet fuels that are not included in PFI standards. For example, Btu (heat) content may range from just under 8,000 to almost 9,000 Btu, depending upon species and region of the country. Other characteristics like trace minerals in pellet raw materials vary not only from region to region, but even in close by growing areas. Some trace minerals promote clinkering, the formation of clumps of fused ash that can block air inlets in the burn pot. A fuel's tendency to form clinkers in a stove cannot be predicted by laboratory analysis both because of variations in the raw materials and the different burning conditions that affect the process. Clinkering can increase routine maintenance, but professional recommendations for matching available fuels to stove design can minimize the problem. Pellet mills strive for consistency despite the nature of the raw material. Slight variations in fuel even from bag to bag are inevitable, but the differences are usually insignificant and much smaller than found in the original raw material before processing. Pellets consistently deliver enjoyable, predictable comfort when burned in well designed, operated, and maintained stoves.

 

 

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