Finnmark FD-3 Full-Spectrum Infrared Sauna

Elevate Your Wellness With 170°F Full-Spectrum Infrared Therapy

4-Person Home Infrared Sauna, 72"W x 46"D x 78"H

Experience the restorative power of full-spectrum infrared therapy—reaching an impressive 170°F for a true spa-level sweat session at home.

The Finnmark FD-3 Full Spectrum Infrared Sauna is expertly designed for 3 to 4 people and is the only model to integrate long-wave carbon 360° infrared panels with UL-listed short-wave Spectrum Plus™ heaters. This advanced pairing delivers higher heat, deeper therapeutic penetration, and complete body coverage—resulting in an unparalleled sauna experience. Every heater is intentionally positioned to maximize wellness benefits, allowing the FD-3 to reach a remarkable 170°F in under one hour using a standard household outlet.

Crafted for comfort and performance, the FD-3 creates a personal wellness retreat you can enjoy daily. Stretch out, unwind, and elevate your health routine in a beautifully engineered environment built to last.

Premium materials ensure long-term durability and a consistently fresh feel. The interior features naturally antimicrobial Western Canadian cedar, which resists mold, bacteria, and fungus while offering a timeless aroma. The exterior is built from Thermal Plus™ Aspen—an exceptionally stable wood that won’t warp, rot, decay, or chip. Together, these materials make Finnmark one of the most trusted names in high-end infrared sauna craftsmanship.

Transform your home into a sanctuary of heat, healing, and elevated well-being with the Finnmark FD-3.

• Antimicrobial Cedar Interior
  Crafted from Western Canadian cedar, the interior naturally resists mold, bacteria, and fungus—keeping your sauna fresh, clean, and hygienic.

• Durable Thermal Plus™ Aspen Exterior
  Engineered to never rot, warp, decay, or chip, the exterior offers exceptional stability and longevity, making Finnmark one of the most durable full-spectrum infrared saunas available.

• Exclusive Full-Spectrum Heating System
  The only infrared sauna combining long-wave carbon 360° heaters with UL-listed short-wave Spectrum Plus™ panels. This elite pairing delivers higher temperatures, complete body coverage, deeper penetration, and unmatched therapeutic performance. Each heater is strategically placed for optimal wellness benefits.

• Smart LCD Wi-Fi Touchscreen Controller
  Built-in digital control panel with Wi-Fi connectivity and Bluetooth audio for seamless customization and entertainment.

• Premium Audio Experience
  Upgraded 6" Hi-Fi speakers fill the sauna with clear, immersive sound.

• Enhanced Thermal Retention
  8mm tempered glass helps maintain heat efficiently while adding a sleek, modern aesthetic.

• Adjustable Leveling Feet
  Removable and height-adjustable feet ensure stability on uneven surfaces.

• Low EMF Design
  Independently tested by a NASA award-winning facility to ensure extremely low EMF levels.

• High-Emissivity Infrared Heaters
  Designed for maximum efficiency and superior therapeutic output.

• Ergonomic Bench Seating
  Thoughtfully contoured for comfort during extended sessions.

• Premium Double-Wall Construction
  Built with high-quality materials and non-toxic wool insulation for superior heat retention and long-term durability.

• Spectrum LED & Red Light Therapy
  Integrated near-infrared LED lights paired with medical-grade red light therapy for enhanced rejuvenation and cellular support.

• ETL Certified
  Meets strict North American safety and performance standards.

• What’s Included
  Bottom panel, top panel, back panel, front panel, left and right panels, 8mm tempered glass door, ergonomic bench top and support, heater panels, Spectrum LED/Red Light modules, heater and floor cables, controller 2.0 touchscreen panel, power supply unit, power cable, screws, wood-covered heater connections, door handle with screws, and adjustable leveling feet.

• Limited Warranty Included
  Enjoy peace of mind backed by Finnmark’s robust warranty coverage.

• Model: FD-3

• Exterior Material: Thermo-Aspen

• Interior Material: Western Canadian Cedar

• Electrical Requirements: 240V, 3150W, 15A, Single Phase

• Plug Type: NEMA 6-15P

• Outlet: 240V / 15A

• Maximum Temperature: 170°F

Dimensions

• Interior: 67" W × 41" D × 70" H

• Exterior: 72" W × 46" D × 78" H

• Room Volume: 111.3 cu. ft.

• Glass Door: 23.625" W × 67.875" H

• Door Handle: 1.875" W × 11.625" H

• Glass Thickness: 8mm

Weights

• Product Weight: 488 lbs

• Shipping Dimensions: 80" W × 40" D × 79" H

• Shipping Weight: 605 lbs

About Finnmark Designs

Finnmark Designs is a leader in premium infrared sauna innovation, known for combining advanced heating technology with exceptional craftsmanship. With a commitment to wellness, performance, and safety, Finnmark has set a new standard in the infrasauna industry—engineering products that deliver deeper therapeutic benefits, higher temperatures, and unmatched durability.

What truly distinguishes Finnmark is its pioneering approach to infrared heating. They are the only manufacturer to integrate UL-listed Spectrum Plus™ short-wave heaters with 360° long-wave carbon infrared panels, creating a full-spectrum experience that outperforms traditional infrared saunas in heat penetration, efficiency, and overall results. Each sauna is thoughtfully designed to deliver maximum therapeutic coverage and consistent, high-quality heat distribution.

Finnmark’s dedication to purity and longevity is reflected in their material choices. Their interiors feature antimicrobial Western Canadian cedar, while their exteriors are crafted from Thermal Plus™ Aspen, an eco-friendly wood treated for extreme durability. This ensures every sauna not only performs at a superior level but also maintains a clean, hygienic environment for years of use.

With thousands of units sold worldwide and a reputation built on innovation, safety, and reliability, Finnmark Designs continues to be a trusted manufacturer for those seeking a truly elevated infrared sauna experience.

Finnmark Designs Infrared Sauna Warranty

Finnmark Certification

ETL Certification

Owner's Manual

Operation Manual