Finnmark FD-5 Trinity XL Infrared & Steam Sauna Combo

Finnmark FD-5 Trinity XL Infrared & Steam Sauna Combo


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SKU FD-KN005 Category

Introducing the expansive Finnmark FD-5 Trinity XL, a luxurious 4-person home sauna that harmoniously blends infrared and traditional sauna technologies. This state-of-the-art sauna unit is equipped with Finnmark’s UL listed Spectrum Plus infrared heaters, a robust 4.5kW traditional sauna heater, and medical-grade Spectrum Red Light™ Therapy. Designed for those who value comprehensive wellness, the Trinity XL offers a full spectrum of heat, combining deep tissue penetration with soothing steam for an unrivaled sauna experience. Crafted with exceptional materials like antimicrobial Western Canadian cedar and durable Thermal Plus™ Aspen, the Trinity XL is designed to transform any home into a deluxe spa retreat.



  • Advanced Hybrid Technology: Incorporates Spectrum Plus™ infrared heaters and a 4.5kW traditional steam sauna heater, offering versatile heating options.
  • Spectrum Red Light™ Therapy: Equipped with a 192 diode LED panel, providing 650nm of red light for enhanced skin health and muscle recovery.
  • Spacious and Comfortable: Generously sized to accommodate four people, with extra-large, two-tier seating for comfort and relaxation.
  • Premium Build Quality: Interior crafted from antimicrobial Western Canadian cedar, with a Thermal Plus™ Aspen exterior that resists weathering and decay.
  • User-Friendly Controls: Features a V2 LCD 5″ touchscreen controller with Bluetooth connectivity for effortless operation.
  • Exceptional Audio System: Includes 6″ HiFi marine grade speakers, ensuring a rich sound experience while you relax.
  • Safety and Efficiency: Low EMF emissions and high emissivity infrared heaters for a safer, more effective sauna session.
  • Harvia KIP Series B Heater: Offers a traditional sauna experience with a large capacity for sauna stones, ensuring even and consistent heat distribution.



  • Model: FD-5
  • Exterior Materials: Thermo-Aspen
  • Interior Materials: Western Canadian Cedar
  • Dimensions: 75″W x 64″D x 83″H (exterior); 71″W x 57.5″D x 75.5″H (interior)
  • Electrical Specs: 240 Volts, IR 2700 Watts, traditional 4.5kW, 18.8 Amps, NEMA 5-15P plug
  • Maximum Temperature: IR 170°F, Traditional 190°F
  • Room Volume: 130 cu. ft.
  • Certifications: ETL Certified, UL listed components
  • Weight: Product weight 575 lbs; Shipping weight 654 lbs including pallet
  • Additional Features: 8mm glass with gasket for enhanced thermal retention, Harvia KIP45B sauna heater, medical-grade LED red light therapy.


Resources:               Installation Manual           Finnmark ETL           Finnmark Certification            Warranty Test Log Designs          Harvia Sauna Stones Update          Harvia KIP Installation Manual

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