Sauna Heater Sizing Calculator

Enter your sauna room dimensions and wall material to find the right heater size in kW or BTU, whether you're going electric, wood-burning, or far-infrared panels. Nothing uploaded.

kW & BTU sizing Electric / wood / IR Wood cord estimate Warm-up time

Estimates only. Based on typical sauna-heater sizing charts for insulated rooms. Poor insulation, vapor barriers, and door seals can change real-world requirements - check manufacturer specs before buying.