Gas stoves have heating units that have ceramic logs embers to give the look of a real fire but with the ease of natural or propane gas. 

Little to no maintenance or cleaning.  No need to get fuel as it is piped in. Units turned on at the touch of a switch, thermostat, or remote.  They have beautiful and romantic flames with no hassle.  May actually decrease your heating costs from a furnace alone due to the ability to zone heat in the area where you live.

Models include: free standing, inserts and built in to look like a fireplace. Outdoor models are also available.

For more info on the difference between stoves, inserts and fireplaces, click here