Gas Sauna Heater works in the same way as electric heaters but they are propane gas cylinders or LPG or natural gas to heat the heating unit which in its turn heat the stone and the room. Gas sauna heaters are not permitted in all countries and you need to check with your local authorities to know whether this type of heating mechanism is permitted. The heating capacity in a normal climatic condition is usually around 2500 BTU. For colder regions you may require a higher heating capacity
Typically, Gas sauna heaters using natural gas are more cost effective. They are usually connected to your local gas pipeline network. In other cases, the use of LPG cylinders is needed which can be costlier.
Safety standards must be followed during installation phase so as to comply to your local authorities requirements and also to meet your personal safety needs. Adequate ventilation and proper storage of cylinders are two of the most important safety standards. You need to check your suppliers to take note of the models and units which are available in your country. Polar Sauna Heaters is a worldwide popular brand in the market.
Wood burning stove is a more traditional system which provides authentic finnish sauna experience.
Another very good alternative to gas is an electric heating system. Electric heaters are more convenient and easier to maintain. It is appropriate for all weather type.