By now everyone who heats with wood should have their wood bin full. The wood you burn this year should have been cut last year or in early spring at the latest. Seasoned wood is a must for optimum heat. If the wood still is green it takes more heat to get the water out and will heat your home less. Also the water in the wood makes for creosote build up in the chimney. Speaking of chimneys, by this time you also should have cleaned your chimney or had a professional do it. More