Sauna stones are often overlooked but remain one of the most important parts of the sauna. Appropriate quality, size, and placement of stones in the heater can have a significant effect on the heat retention and steam generation in the sauna.
Sauna stones must be quarried and selected carefully to pass quality control, which confirms they are safe under intense heat and do not release any emissions. Harvia sauna stones are known to be safe under the intense temperatures of the sauna and retain heat for maximum efficiency.
All stones are thoroughly hand-selected and pre-washed so that replacing them is made easy every time. Prioritizing sustainability, stones that don't meet the quality standards are repurposed for construction and other industries.