Description
The Finnmark FD-5 Trinity XL is a premium 4-person home sauna that combines full-spectrum infrared, traditional Finnish steam heat, and medical-grade red light therapy in one advanced wellness system.
This 3-in-1 sauna features UL-Listed Spectrum Plus™ infrared heaters, Spectrum Carbon panels, a powerful Harvia 4.5kW traditional sauna heater, and Spectrum Red Light™ therapy — allowing you to experience deep infrared heat up to 170°F or traditional steam heat up to 190°F.
Designed for serious wellness at home, the Trinity XL delivers unmatched versatility, performance, and craftsmanship.
3-In-1 Heating Technology
The FD-5 is the only combination sauna that integrates certified infrared panels with a true traditional sauna heater.
• UL Listed Spectrum Plus™ short-wave infrared heaters
• Spectrum Carbon long-wave infrared panels
• Harvia KIP Series B 4.5kW traditional sauna heater
• Medical-grade Spectrum Red Light™ therapy panel (192 diode, 650nm)
• Infrared up to 170°F
• Traditional steam up to 190°F
• Direct rock-to-heating element contact
Choose infrared, steam, red light therapy, or combine them for a fully customized sauna session.
Traditional Harvia Sauna Heater Included
The Trinity XL includes a Harvia KIP45B 4.5kW sauna heater made in Finland.
• Wall-mounted stainless steel construction
• 4.5kW electric heater
• Built-in controls
• Designed for rooms 100–210 cu. ft.
• Requires minimum 50 lbs of sauna stones
• Direct rock-to-heating element contact
• UL listed
• 240V / 1PH operation
• 2-Year Warranty
Splash water onto the stones to create authentic Finnish steam heat.
Red Light Therapy Integration
Medical-grade red light therapy enhances the sauna experience.
• 192 diode LED panel
• 650nm red light wavelength
• Combined with chromotherapy
• Supports skin health and recovery
Red light therapy complements both infrared and steam sessions for a multi-dimensional wellness experience.
Health & Recovery Benefits
Full-spectrum infrared and traditional steam support advanced recovery.
• Deep tissue heat penetration
• Enhanced circulation
• Promotes detoxification
• Supports muscle recovery
• Encourages relaxation
• Traditional steam intensity for deeper sweat
Short-wave infrared penetrates significantly deeper than carbon-only heaters, delivering a more effective sweat.
Premium Materials & Construction
Built for durability, hygiene, and longevity.
• Antimicrobial Western Canadian Cedar interior
• Thermal Plus™ Thermo-Aspen exterior
• Double-walled construction
• Non-toxic wool insulation
• Extra-large two-tier bench system
• 8mm tempered glass door with gasket
• Low EMF tested
The cedar interior resists mold and odor while the thermo-treated aspen exterior resists warping and decay.
Illumination & Smart Controls
Advanced technology meets ease of use.
• Built-in LCD Wi-Fi touchscreen controller
• Bluetooth audio system
• 6” Hi-Fi speakers
• Spectrum LED near infrared ceiling lights
• ETL Certified components
Control temperature, lighting, and audio directly from the integrated panel.
Features
• 3-In-1 Infrared + Steam + Red Light Therapy
• Harvia 4.5kW traditional sauna heater included
• UL Listed Spectrum Plus™ infrared heaters
• Medical-grade 650nm red light therapy
• Infrared 170°F | Traditional 190°F
• 240V electrical configuration
• Antimicrobial cedar interior
• Thermo-Aspen exterior
• Wi-Fi touchscreen controller
• Bluetooth audio system
• Extra-large 4-person capacity
• Two-tier bench design
What’s Included
Sauna Components
• Top, bottom, back, front, left & right panels
• Glass door (8mm tempered with gasket)
• Two-tier bench system
• Infrared heater panels
• Spectrum Red Light™ therapy panel
• Heater cables & power components
• Interior heater connections with wood cover
• Screws & hardware
• Door handle & hinges
Traditional Heater Package
• Harvia KIP Series B 4.5kW heater
• 1 Box Harvia AC3000 Sauna Stones (44 lbs)
Control & Audio
• Built-in LCD Wi-Fi touchscreen controller (Controller 2.0)
• Bluetooth audio system
• 6” Hi-Fi speakers
Certification & Warranty
• ETL Certification
• Limited Manufacturer Warranty
Specifications
| Model | FD-5 |
| Capacity |
4 Person |
| Exterior Dimensions |
75” W x 64” D x 83” H |
| Room Volume |
130 cu. ft. |
| Maximum Temperature |
170°F | Traditional 190°F |
| Interior Dimensions |
71” W x 57.5” D x 75.5” H |
| Voltage |
240V |
| Watts |
2700W |
| Plug Type | NEMA 6-15P |
| Outlet Standard | 120V 15A |
| Glass Thickness |
8mm Tempered with Gasket |
| Product Weight |
575 lbs |
| Shipping Weight |
840 lbs |
| Interior Material |
Western Canadian Cedar |
| Exterior Material |
Thermo-Aspen |
Harvia Heater Specifications
| Model | KIP45B |
| Voltage | 240V |
| Killowatt Rating | 4.5kW |
| Phase | 1PH |
| Amperage | 18.8Amps |
| Room Capacity | 100–210 cu. ft. |
| Dimensions | 16” W x 11” D x 24” H |
| Heater Weight | 40 lbs |
Technical
Installation Manual |
|
Operation Manual V2 LCD Controller with WiFI |
|
Model FD-5 Diagram |
|
EMF Test Log |
|
FD-5 Spec Sheet |
|
Finnmark Warranty |
|
Harvia Installation and Operational Manual |
|
Harvia Suitable Stone Update |
Why Choose the Finnmark FD-5 Trinity XL?
The FD-5 is ideal for homeowners who want:
• A true 3-in-1 infrared and steam sauna
• Authentic Finnish steam capability
• UL-listed full-spectrum infrared performance
• Integrated red light therapy
• Spacious 4-person capacity
• Premium cedar craftsmanship
• Smart Wi-Fi control and Bluetooth audio
It combines infrared, steam, and light therapy into one powerful home wellness system built for serious recovery and performance.