Overview The Finnmark FD-2 is a 2-person full-spectrum infrared sauna built for couples, training partners, or anyone who wants to share the benefits of daily infrared therapy without sacrificing performance. Like the FD-1, it combines UL Listed Spectrum Plus™ short-wave infrared heaters with Spectrum Carbon 360° long-wave panels — delivering full-spectrum infrared coverage (near, mid, and far) in a spacious 2-person cabin that still runs on a standard home outlet. Reach 170°F in under an hour and make infrared sauna sessions a shared daily ritual. Key Specifications Specification Detail Model FD-2 (2-person) Heater Technology UL Listed Spectrum Plus™ (short-wave) + Spectrum Carbon 360° (long-wave) Max Temperature 170°F Heat-Up Time Under 1 hour Power Requirement Standard home outlet Capacity 2 persons Spectrum Full-spectrum infrared (near, mid, far) Use Cases Ideal for couples and training partners who want to share daily infrared sauna sessions for recovery, relaxation, and cardiovascular support. Ideal for home gyms and wellness rooms where two people regularly train and recover together. Ideal for biohackers and longevity enthusiasts who want full-spectrum infrared exposure with a partner without upgrading to a larger, more expensive unit. Ideal for contrast therapy protocols — pair with a cold plunge for a complete hot/cold recovery cycle for two. Ideal for small families seeking a premium infrared sauna that fits in a spare room or basement without requiring a dedicated electrical circuit. How It Compares Unlike single-heater far-infrared saunas, the FD-2 delivers full-spectrum infrared through its dual Spectrum Plus™ and Carbon 360° heater system — providing deeper tissue penetration, higher therapeutic temperatures, and broader wavelength coverage than standard carbon-only units. Compared to traditional Finnish saunas, the FD-2 operates at lower, more comfortable temperatures (up to 170°F vs. 190–212°F) while delivering superior infrared penetration for muscle recovery and detoxification. Compared to other 2-person infrared saunas in the $4,000–$6,000 range, the FD-2 is the only model combining both heater technologies in a unit that runs on a standard outlet. Features UL Listed Spectrum Plus™ infrared heaters (short-wave) Spectrum Carbon 360° long-wave infrared panels Full-spectrum infrared coverage (near, mid, far) Reaches 170°F in under 1 hour on a standard home outlet Spacious 2-person cabin design Premium wood construction for durability and aesthetics