Sauna heaters are a must to prevent a temperature swing in your new sauna. These should always be purchased when purchasing your new sauna kit for an easier installation. You should always maker sure when purchasing a sauna heater to find one that has the right quantity of stones as well as made with good materials for a longer lasting heater. Finding a heater with water sprinkling capacity is also important as a deep generously proportioned stone compartment, and direct contact between the stones and the heating elements will help to ensure you that perfect water sprinkling that is needed in a heater.