1 / 10 · Photo: American Sauna Store
Finnmark Designs
FD-3 Full Spectrum 3-4 Person
3.7 from 3 reviews at Sun Valley Saunas$6,495best price, at American Sauna Store · 33 sellers, up to $7,445Save $950 vs the highest price
- 3-person
- $2,165 per seat
- infrared sauna cabin (indoor)
Prices checked Sep 29, 2026. Freight, wiring and a pad usually add more; the cost calculator totals them.
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Finnmark Designs FD-3 Full Spectrum 3-4 Person$6,495Shop at American Sauna Store The price ledger
Same product, 33 sellers, $950 apart
Cheapest first. Prices checked Sep 29, 2026; confirm freight and what's included before you buy.
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- 22Sauna RealmSame as the best price · in stock$6,495View
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- 24The Home UpgradeSame as the best price · in stock$6,495View
- 25The Sauna StoreSame as the best price · in stock$6,495View
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- 27Vital HydrotherapySame as the best price · in stock$6,495View
- 28My Sauna WorldSame as the best price · in stock$6,495View
- 29Premium SaunasSame as the best price · in stock$6,495View
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- 33Empire Saunas$950 more than the best price$7,445View
Compare across brands
How it stacks up
 This oneFinnmark Designs FD-3 Full Spectrum 3-4 Person |  ClearlightPremier IS-3 Far Infrared (3-person) |  Sun HomeSolstice 3-Person Infrared |  Medical SaunasMedical 5 |  SunlightenSignature III - Eucalyptus Obsidian | |
|---|---|---|---|---|---|
| Lowest price | $6,495 | $6,299Lowest | $6,299Lowest | $7,249 | $6,399 |
| Sold by | 33 sellers, up to $7,445 | 4 sellers, up to $7,199 | Sun Home Saunas only | 2 sellers, up to $7,989 | Sunlighten only |
| Size | 3-person | 3-person | 3-person | 3-person | Not listed |
| Wood / material | cedar | basswood | Not listed | hemlock | Not listed |
| Heater | 3150 W | 950 W | Not listed | 9 Interior | Not listed |
| Exterior | 72" W x 46" D x 78" H | Not listed | Not listed | 48" x 42" x 75" (WDH): 63" x 44" x 79" (WDH): 71" x 44" x 77" (WDH) | Not listed |
| Every seller | Compare it | Compare it | Compare it | Compare it |
The details
FD-3 Full Spectrum 3-4 Person
- Ships as a kit for on-site assembly
- Seats up to 4 people
- 3150 W heating output
- Needs a 240V circuit
- Made from cedar
- Top temperature listed at 170°F
- Exterior
- 72" W x 46" D x 78" H
- Max temperature
- 170°F
- EMF
- Low EMF
- Certifications
- UL, ETL
- Wood / material
- cedar
- Capacity
- 3-4 person
- Power
- 3150 W
- Voltage
- 240V
- Circuit
- 15 A
- Interior
- 67"W x 41"D x 70"H
- Room volume
- 111.3 cu. ft.
- Weight
- 488 lbs
- Indoor / outdoor
- indoor
- Warranty
- 10 Year Limited Warranty
- Assembly
- Kit
What’s included
- Bottom Panel
- Top Panel
- Back Panel
- Front Panel
- Left Panel
- Right Panel
- Glass Door
- Bench Support
- Bench Top
- Heater Cable
- Floor Cable
- Screws
- Power Supply Unit
- Power Cable
- Interior Heater Connections with Wood Cover
- Door Handle (2 Screws)
- Removable and adjustable sauna feet for uneven surfaces
- Infrared Sauna Heater Panels
- Spectrum LED near infrared ceiling lights combined with medical grade Spectrum Red Light…
- Controller 2.0, built-in LCD touchscreen control panel with Bluetooth audio
- Audio upgrade with 6" HiFi speakers, 8mm tempered glass for the ultimate thermal retention
- ETL Certification
- Limited Warranty
From the sellers’ own product listings, checked 2026-10-01. Confirm specs with the seller before you buy.
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Certification or clearance: Intertek ETL safety certificate (image PDF): https://cdn.shopify.com/s/files/1/0544/2011/1529/files/finnmark-designs-intertek-ETL-infrared-sauna-safety-certificate.pdf?v=1773240141 ; third-party EMF log (Spectrum+ heaters, Dec 2019, ~0.5-0.8 mG readings): https://cdn.shopify.com/s/files/1/0544/2011/1529/files/EMF_Test_Log-Finnmark-Designs.pdf?v=1773240066
Notes from our check: Needs a 240V circuit.
The Sanctuary Report