Gas wall heaters are a common enough heating installation in homes needing such. Its popularity is perhaps due to its convenient design. Gas wall heaters are very durable that a lot of decades old models are still in use to this day. Some advantages of this heater against electricity powered heaters are its availability for use even on days with power outage since it uses gas rather than electricity, and probably its major advantage is that, it gives off more heat. This heater, due to its common usage has made it so that there are a lot of models available. Each one is designed for a specific use, with different outputs, gas consumption, and build; so that you have to choose which one would work best for you. The biggest thing to think about is the space that you want to install it to. A balance between heat output and its consumption of gas should be considered well.