Home Sauna: Plan, Choose & Build

Everything for a home sauna in one place, whether you are pricing a heater, comparing two models, or building the room from studs. Start where you are.

Building one? Start with the step-by-step plan
Room size → heater → circuit → build → first heat, with a shopping list.

Choose a heater

Heater specs (30 heaters)
Filter every brand by kW, control, room size and the circuit it needs.Compare heaters
Harvia vs HUUM vs Finlandia vs Vevor, spec for spec, with live prices.Which control?
Built-in vs wall vs Wi-Fi, and which is worth paying for.

Calculate

Heater size
What kW your room needs.Electrical circuit
Breaker, wire and voltage drop for the permit.Running cost
What it costs to run per month.Room planner
Bench heights, door and ventilation.

Learn

Wood species
Cedar, hemlock, spruce, thermo: heat, resin, price.All sauna guides
Vapor barrier, ventilation, insulation, stones and more.