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$3,000.00Three indoor saunas, $11,999 to $22,800. This is a short list and a deliberately expensive one: two Kohler units and one Golden Designs, all two-person, all built to sit inside a finished room rather than in a garden.
Why so few
Most saunas that go indoors are listed under infrared saunas, where 55 of 91 units run on a standard 120V circuit and start at $1,999. If you want an indoor cabin without a five-figure budget, that is the collection to browse. What is here is the built-in, cabinetry-grade end of the category.
What indoor installation asks
An indoor sauna needs a level floor that can carry the load, clearance to the walls on every side, and ventilation. Traditional units need a dedicated 240V circuit run to the room. None of that is difficult, but all of it is easier to plan before the cabin arrives than after.
Delivery
Free shipping to the lower 48, no minimum, and it stops at the curb — the crate is left at the end of your driveway. Getting it inside is a $600 white-glove upgrade. Getting it inside and assembled is $1,800, which covers everything except electrical work: we recommend you hire a local electrician for that, because the wiring has to meet your local code and pass local inspection. Service fees are non-refundable: if the sauna goes back, the installation does not.