Finnmark FD-5 Trinity XL infrared and steam sauna combo with wooden exterior and red glass door
Finnmark FD-5 Trinity XL infrared and steam sauna combo with wooden exterior and glass door
Finnmark FD-5 Trinity XL infrared and steam sauna combo with wooden exterior and glass door
Finnmark FD-5 Trinity XL infrared and steam sauna combo with red light therapy and wooden cabin interior
Top view of Finnmark FD-5 Trinity XL infrared and steam sauna with wooden interior and heater unit
Finnmark FD-5 Trinity XL wooden infrared and steam sauna combo with glass door and heater panel
Finnmark FD-5 Trinity XL infrared and steam sauna combo with wooden exterior and glass door in modern wellness room
Finnmark FD-5 Trinity XL traditional 4.5kW sauna heater with sauna stones mounted on wood paneling

Finnmark

Finnmark FD-5 Trinity XL Infrared & Steam Sauna Combo

HSA/FSA Accepted
FDA Registered

Experience the ultimate in sauna wellness with the Finnmark Trinity XL 3-IN-ONE. Enjoy 170°F infrared sauna bathing combined with a true Finnish sauna—all in one luxurious cabin. This innovative design blendsUL-listed Spectrum Plus infrared heaters, a 4.5 kW traditional sauna heater, and medical-grade Spectrum Red Light™ Therapy for the most complete wellness experience available. Why settle for less when you can have it all? Elevate your self-care with Finnmark Design’s Trinity XL 3-IN-ONE home sauna.

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$8,995.00
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Frequently Bought Together

The Ultimate 3-in-1 Wellness Experience

The Trinity Combination Sauna is the only sauna that blends Finnmark’s UL-listed Spectrum Plus infrared heaterswith a traditional sauna heater using vulcanite stones—allowing you to enjoy both dry infrared heat and authentic steam by splashing water over the rocks. To complete the experience, it includes true medical-grade Spectrum Red Light™ Therapy, creating a complete, multi-dimensional wellness system.

No compromises—just complete wellness.
The FD-5 Trinity is the only sauna that integrates UL-listed infrared panels, red light therapy, and a traditional heater in one unit. You’ll get all the benefits of deep-penetrating infrared heat along with the refreshing steam of a classic sauna.

Fast, powerful heat.
Finnmark’s short-wave far-infrared technology penetrates muscles and joints deeply, helping you sweat up to 25 times more effectively than standard carbon panel heaters. Paired with the 4.5kW 240V/1PH traditional heater, you can enjoy a rapid heat-up and a truly authentic sauna experience.

Enhance recovery and rejuvenation.
The built-in red light therapy uses low-level wavelengths to stimulate collagen production, support cell repair, and promote overall skin and body wellness—making it the perfect addition to your sauna ritual.

Traditional Sauna Heater Included.
Enjoy the best of both worlds—infrared, steam, and red light therapy—all in one stunning Finnmark FD-5 Trinity Combination Sauna.

Key Features

Infrared & Heat Technology

  • Spectrum Plus™ UL-Listed Short Wave Infrared Heaters – Deliver deep, penetrating heat up to 25x more effective than standard carbon panel heaters.
  • Spectrum Red Light™ Therapy – Features a 192-diode medical-grade LED panel producing 650nm of red light combined with chromotherapy for enhanced mood and recovery.
  • 3-IN-ONE Combination System – The only sauna combining UL-listed infrared heaters, a traditional high-heat steam heater, and medical-grade red light therapy for the most complete wellness experience.
  • High Emissivity Infrared Heaters – Maximizes heat efficiency and comfort.
  • Low EMF Certified – Independently tested by a NASA award-winning facility for safety and performance.

Premium Materials

  • Interior: Antimicrobial Western Canadian Cedar – Naturally resists mold, bacteria, and fungus.
  • Exterior: Thermal Plus™ Aspen – Engineered to never rot, warp, decay, or chip, ensuring long-lasting durability and beauty.

Technology & Comfort

  • Built-in LCD Wi-Fi Touchscreen Controller – Full control of heat, lighting, and audio.
  • Bluetooth Audio System – Includes 6" Hi-Fi speakers for an immersive relaxation experience.
  • 8mm Tempered Glass Door – Provides superior thermal retention and sleek design.
  • Extra-Large Two-Tier Bench System – Comfortably seats multiple users.

Product Specifications

Model: FD-5

External Materials: Thermo-Aspen

Interior Materials: Western Canadian Cedar

Voltage: 240V

IR Watts: 2700W

Amperage: 15 | TBD

Plug Type: NEMA 6-15

Maximum Temperature: IR 170°F | Traditional 190°F

Interior Dimensions: 71"W × 57.5"D × 75.5"H

Exterior Dimensions: 75"W × 64"D × 83"H

Room Volume: 130 cu. ft.

Door Dimensions: 23.625"W × 68.875"H

Door Handle Dimensions: 1.5"W × 13.25"H

Glass Thickness: 8mm with gasket

Product Weight: 575 lbs

Shipping Dimensions: 80"W × 40"D × 83"H

Shipping Weight: 840 lbs

Heater Specifications

  • Model: KIP45B
  • Kilowatt Rating: 4.5 kW
  • Primary Fuel: Electric
  • Minimum Adjusted Cubic Feet: 100
  • Maximum Adjusted Cubic Feet: 210
  • Voltage: 240V
  • Phase: 1 PH
  • Amperage: 18.8 A
  • Heater Weight: 40 lbs
  • Shipping Weight (with sauna stones): 84 lbs
  • Dimensions:Width: 16" (406 mm)Depth: 11" (279 mm)Height: 24" (609 mm)

Add-on

Finnmark FD-5 Sauna Cover | 75″×64″×83″ Waterproof Marine-Grade Protection

The Finnmark FD-5 Sauna Cover is a premium all-weather protective cover sized 75″ W × 64″ D × 83″ H. Constructed with a waterproof Aqualon roof, marine-grade canvas sidewalls, reinforced hardware and a roll-up front door, it shields your sauna against rain, UV, wind and debris, perfect for indoor or outdoor installations.

$1,398.00
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