The gas propane tankless water heater is a very popular choice in many parts of the world. In Spain, for example, all the major commercial fuel sellers offer the large propane cannisters. You can generally buy them from any filling station and there are deliveries to most any part of the country.
In other words, it is a tried, tested and trusted form of powering tankless hot water heaters. The technology is simple, and it works.
We do not need to spend much time here rehearsing the advantages of instant hot water heaters - hot water on demand, lower bills etc etc.
But when the time comes to compare tankless water heater there is one thing that gets in the way for many people - convenience.
A lot of potential tankless waterheater customers are put off by the lack of natural gas in their area. The may look to other fuels or to electric tankless water heater, but gas still offers the greatest choice.
This is where propane comes in - easy to get hold off, lasts a reasonably long time (it comes in a cannister and in liquid form). And it works really well. So when looking tankless gas hot water heaters do not forget that gas can be portable too!