burning fuel briquettes for fireplace, stove or boiler

fire fireplace fuel briquettes furnace flame burn ardent arson blaze boiler bonfire brick burner burnt calid campfire charcoal coal combustion conflagration cremate cremation energy fireside firewood flammable flare heat heater heatsink hot ignition inflaming inflammation kiln kindling oven power radiator red redhot scorching stove temperature thermal warm warmer warmth burning