Finnmark FD-4 Trinity Infrared & Steam Sauna Combo (2-Person)

Experience the pinnacle of wellness with the Finnmark FD-4 Trinity Infrared & Steam Sauna Combo, a revolutionary 3-in-1 sauna that merges infrared therapy, traditional Finnish steam, and medical-grade red-light therapy into one stunning design.

This is the only sauna in the world that features UL-Listed Spectrum Plus™ short-wave infrared heaters, a traditional 120V Harvia Vega Compact heater, and a Spectrum Red Light™ therapy panel — delivering unmatched versatility and results.

Whether you prefer a quick infrared sweat, a steamy Finnish-style session, or a restorative light therapy treatment, the FD-4 adapts to your every wellness mood. Crafted with antimicrobial Western Canadian cedar and durable Thermal Plus™ Aspen, it resists moisture, bacteria, and decay for a lifetime of beauty and performance.

No compromises. No limitations. Just pure, personalized heat therapy — your way.

• 3-in-1 Sauna Experience: The only model combining UL-Listed Spectrum Plus™ infrared heaters, a traditional Harvia Vega Compact steam heater, and medical-grade Spectrum Red Light™ Therapy for complete versatility.

• Infrared + Steam Power: Short-wave far-infrared penetrates deeply into muscles and joints — up to 25× more effectively than standard carbon panels — while the 1.9kW Harvia heater delivers authentic Finnish steam.

• True Red Light Therapy: 192-diode LED panel produces 650nm medical-grade red light with built-in chromotherapy, stimulating collagen and cellular repair.

• Premium Materials: Western Canadian cedar interior is antimicrobial and odor-resistant; Thermal Plus™ Aspen exterior resists rot, warping, and decay.

• Smart Control System: Built-in LCD Wi-Fi touchscreen controller with Bluetooth audio and dual 6" Hi-Fi speakers for immersive relaxation.

• Extra Comfort: Spacious two-tier bench system with ergonomic design.

• Low-EMF Verified: Independently tested by a NASA-award-winning lab for electromagnetic safety.

• Harvia Vega Compact Heater: Finnish-engineered, stainless-steel design with ergonomic controls and built-in safety features — perfect for rooms from 70–106 cu. ft.

• Complete Wellness Integration: Enjoy the synergy of infrared detoxification, steam therapy, and light rejuvenation in a single, beautifully crafted unit.

• Modular sauna panels: bottom, top, back, front, left, right

• 8mm tempered glass door with handle and mounting hardware

• Bench support and two-tier bench tops

• Heater and floor cables

• Power supply unit and power cable

• Interior heater connections with wood cover

• Harvia Vega Compact 1900 Heater (1.9kW, stainless steel)

• 1 box Harvia AC3000 sauna stones (29 lbs)

• Spectrum Plus™ infrared heaters

• Spectrum Red Light™ Therapy panel

• Controller 2.0 Wi-Fi touchscreen with Bluetooth audio

• Dual 6" Hi-Fi speakers

• Spectrum LED near-infrared ceiling lights with chromotherapy

• ETL certification and limited warranty documentation

Traditional Heater Details (Harvia Vega Compact 1900)

Manual Links:

• Finnmark Warranty (PDF)
• Finnmark FD-4 Spec Sheet (PDF)
• Finnmark FD Trinity IOM Owners Manual (PDF)
• Finnmark V2 WIFI Control IOM Owners Manual (PDF)
• Finnmark FD-4 Dimensions Diagram (PDF)