Energy Information: The Quantity of energy stored within a unit mass of pellets, normally expressed in kWh/kg or BTU/lb. Which kind of pellets you decide on relies on your preferences. High-calorific pellets from conifers will work perfectly if you need brief and intense heating. Deciduous pellets are a good choice https://woodbrezany.com/en/pellet-vs-gas-heating-cost-comparison/