Fireplace inserts are heating units that can transform an inefficient fireplace into an efficient, heat producing zone heater. It is installed completely or partially within the firebox area of an existing fireplace, which may be factory-built or masonry.

Fireplace inserts are usually made from cast iron or steel. It includes self cleaning doors made of glass through which fire can be viewed. Some inserts have fans that radiate heat in the room and some even have thermostats or remote controls for automatic regulation of fire. Most fireplace inserts are equipped with blowers for circulation of heat. These units are vented with the help of a working chimney. Vent free inserts are also available.

Fireplace inserts can be those of natural gas, EPA certified wood, propane, pellet, and coal. The inserts come in a wide variety of designs and colors and vary in size too. The size mainly depends on the length, width, and height of the opening of the fireplaces.

Fireplace inserts can be single or double walled units. In single wall units, room air is absorbed under the firebox and heating is done between the masonry walls of the fireplace and the backside of the unit. But in double walled units, space is provided between the interior and exterior walls for circulation of air and heating. The second type is the commonly used type of fireplace inserts which are safer and more efficient, compared to single-walled units.

Fireplace inserts are convenient and easy to use. They increase the efficiency of fireplaces and provide heat even if there is no power. Consumption of fuel in a cost effective manner is another added advantage.

Certain conditions should be checked for installation. One should also know to operate these heating units. So before purchasing fireplace inserts, it is necessary to consult a specialty retailer, who can provide necessary information about how to operate the insert and also its installation and maintenance details.