In a vent-less gel fireplace, heating is produced by the combustion of a gel like substance. This combustion is used for creating flames and heating. These kinds of furnaces can be installed easily and anyone above the age of eighteen can install them. Gel is used as fuel in these furnaces. This gel is similar to the substance which is used in cans for keeping the food trays at warm temperature. Realistic fireplace look is offered by them. It is designed to burn for longer periods of time. More and more numbers of companies are coming in to the arena of vent-less gel fireplace market.
Special feature of gel fireplace is that it can mimic the burning fire of a real wood. When a natural wood is put in to fire, it makes snapping and crackling sound. The same kind of sound can be imitated by the usage of these gel fireplaces. Few of the advanced models of gel fireplaces, are also designed to produce a kind of smell which is released particularly from the burning wood. Hence, these fireplaces can offer more realistic fire. Burning time depends on the type of the fuel used and it varies from each other. But it ranges between 3 hours to 6 hours duration.