1). Get the Most from Your Fireplace Insert By : Jerry Cahill
Inserts are usually made from cast iron or plate steel. Generall they have glass doors so you can see the flames. An insert either fits in the opening of the fireplace or protrudes onto the hearth. An insert that protrudes onto the hearth is more efficient because the sides, top, and bottom provide additional radiant heat.
Article Related to: fireplace, fireplace insert, stove insert, radiant heat, wood heat, gas fireplace
