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A 1 person infrared sauna, also sold as a single or individual infrared sauna, is sized around one bather, so judge it by the room it takes and the room it gives. Topture lists the Finnmark FD-1 for one person and the Sedona and the Logan for two, yet the Sedona is smaller inside than the FD-1, at 32 by 32 inches against 33.3 by 34.1, while the Logan gives 45 by 45.
The FD-1 takes 37 by 37.8 inches of floor and the Sedona 36 by 42, but the FD-1 is the taller at 78.3 inches against the Sedona's 75, and Finnmark asks for at least 3 inches of clearance above the sauna and on all sides. Finnmark's manuals also call its FD saunas freestanding units that should not be built into any structure, and suggest places such as a basement, a garage or a spare bedroom. For a small indoor room, measure the floor and the ceiling before choosing between the FD-1 and the Sedona.
| Model | Placement | Heat | Maker's seats | Inside W × D × H | Outside W × D × H | Wood | Power | From |
|---|---|---|---|---|---|---|---|---|
| Sunray Sedona 1-2 Person Indoor Infrared Sauna 100K | Indoors only | Carbon nano heaters, far infrared | One to two | 32 × 32 × 68 | 36 × 42 × 75 | Western red cedar | 110–120 V, dedicated outlet, 15 A circuit | $2,798 |
| Logan 2-Person Outdoor Infrared Sauna | Outdoors; weather-sealed, with its own metal composite roof | Carbon far-infrared heaters | Two | 45 × 45 × 73 | 49 × 49 × 88; roof 69 × 66 | Aged Canadian hemlock | 220–240 V, dedicated 20 A circuit | $4,290 |
| Finnmark FD-1 | 1-Person Full-Spectrum Infrared Sauna | Indoors; outdoors only under Finnmark's cover and an awning or overhang | Full spectrum, as Finnmark calls it: Spectrum Plus mid- and far-infrared heaters with Spectrum Carbon far-infrared heaters | One | 33.3 × 34.1 × 70.5 | 37 × 37.8 × 78.3 | Western red cedar inside, Thermal Plus aspen outside | 120 V, dedicated 15 A circuit | $4,695 |
Full spectrum and far infrared are the two kinds of heat in the 1 person infrared saunas here. Finnmark calls its FD-1 full spectrum: Spectrum Plus heaters, which Finnmark says produce mid and far infrared, on the back wall and under the bench, plus Spectrum Carbon far-infrared heaters on the side walls. SunRay heats the Sedona and the Logan with carbon far-infrared heaters.
The makers of the 1 person infrared saunas here give different top temperatures. Finnmark's manual gives 170°F as the FD-1's maximum setting and notes it may not be reached, depending on room temperature, air flow and placement; SunRay's manual gives the Sedona an adjustable range of 64–140°F, and SunRay says the Logan reaches up to 140°F.
For red light, the FD-1's manual describes a multi-color LED ceiling light with a red setting for use during a session, though Finnmark publishes no wavelength for it. If the ceiling light's red setting is all you need, start with the FD-1; other sizes are in red light therapy saunas.
Of the 1 person infrared saunas here, SunRay's Logan is the outdoor cabin: weather-sealed under a metal composite roof, with an exterior that SunRay's D6 manual says to reseal or repaint each year. The Sedona must stay indoors, by SunRay's manual, and Finnmark allows the FD-1 outside only under its own outdoor cover, beneath an awning or overhang, on sturdy, dry, level ground. For outdoor cabins in other sizes, see outdoor infrared saunas.
The choice among these 1 person infrared saunas comes down to what matters most to you:
The infrared buyer's guide, how to choose an infrared sauna, weighs these trade-offs in more depth.
The least expensive 1 person infrared sauna here is the SunRay Sedona, at $2,798; the SunRay Logan starts at $4,290 and the Finnmark FD-1 at $4,695.
No 1 person infrared sauna here comes with a heater package to pick: the infrared heaters come with each cabin, and each price includes freight within the contiguous United States. Where the room has no dedicated outlet or circuit that meets the sauna maker's terms, budget for the electrician's work, and for any installer you hire, when you compare them.
A 1 person infrared sauna here needs an outlet or circuit of its own. For the FD-1, Finnmark's manual requires a dedicated 15 A, 120 V circuit with a NEMA 5-15 receptacle and no other devices on it. For the Sedona, SunRay lists a 110–120 V supply and a 15 A circuit, and its manual says to plug no other appliance into the sauna's outlet. Before ordering either, check that the outlet you plan to use meets its maker's terms.
SunRay's outdoor Logan, unlike the FD-1 and the Sedona, is a 240 V sauna: SunRay says it requires a dedicated 220–240 V circuit and lists a 20 A circuit for it, so rule the Logan out if the site has no 240 V supply and one cannot be added. Your licensed electrician sizes the breaker and wire from the sauna's manual and your local code.
Freight delivery of a 1 person infrared sauna is booked as an appointment and ends at the curb, from a liftgate on most shipments, with an adult aged 18 or over signing the Bill of Lading; raise site-access questions before you order.
SunRay ships its saunas as kits of pre-built panels in boxes on a wooden pallet, says the boxes fit through any door 24 inches or wider, and has two people lock the panels together with a Phillips screwdriver or a drill with a Phillips bit, the only tool its FAQ says is needed. SunRay puts that at under an hour for its indoor infrared saunas, the Sedona among them, and at about one to two hours for the Logan.
The FD-1 arrives as prefabricated panels, bench parts, adjustable feet, a power supply and a parts box on a wooden pallet from Bathing Brands, Finnmark's distributor. Its manual lists a screwdriver and a level as the assembly tools, but Finnmark's manuals also state "Professional installation required", with at least two people. To build the sauna yourself, shortlist the Sedona or the Logan; for the FD-1, budget for an installer.
Outdoors, SunRay's D6 manual puts the Logan on a sturdy level surface such as a concrete pad or a wood deck, never directly on the ground. Indoors, SunRay wants the Sedona on a fairly level spot in a dry area, with a floor separator where the floor is damp, and Finnmark wants the FD-1 on a solid surface in a dry area.
A 1 person infrared sauna travels under Topture's full-value freight protection: broken parts are replaced, provided the damage is noted on the Bill of Lading at delivery so the claim can be paid. Eligible U.S. customers can spread the cost with Shop Pay Installments on orders up to $30,000, through monthly financing over 3, 6, 12, 18, or 24 months at 0–36% APR, depending on the purchase amount and eligibility, with the available plans shown at checkout; the buying section of the infrared saunas page covers the rest of an order from Topture.
Three next steps suit a 1 person infrared sauna shortlist:
Reviewed October 2026