
Description
The Finnmark FD-3 Full Spectrum Infrared Sauna is a spacious 3–4 person home infrared sauna designed to deliver powerful, deep-penetrating heat up to 170°F.
Combining UL-Listed Spectrum Plus™ short-wave infrared heaters with Spectrum Carbon 360° long-wave infrared panels, the FD-3 provides higher temperatures, full-body coverage, and deeper penetration than traditional carbon-only saunas.
Designed for families or those who want room to stretch out, this DIY infrared sauna kit transforms your home into a daily wellness retreat.
Full Spectrum Heating Technology
The FD-3 combines both short-wave and long-wave infrared systems for maximum therapeutic impact.
• UL Listed Spectrum Plus™ short-wave infrared heaters
• Spectrum Carbon 360° long-wave infrared panels
• Reaches 170°F in under 1 hour
• 240V 15A configuration
• High emissivity infrared output
• Low EMF tested
Short-wave heaters penetrate deep into muscles and joints, while long-wave carbon panels provide consistent full-body coverage.
Health & Recovery Benefits
Full-spectrum infrared enhances performance and recovery.
• Deep tissue heat penetration
• Increased circulation and oxygen delivery
• Supports muscle recovery
• Promotes detoxification
• Helps relieve joint and muscle discomfort
• Efficient sweating at lower ambient temperatures
Short-wave infrared penetrates significantly deeper than standard carbon heaters, delivering a stronger and more effective session.
Premium Materials & Construction
Built for durability, hygiene, and long-term reliability.
• Antimicrobial Western Canadian Cedar interior
• Thermal Plus™ Thermo-Aspen exterior
• Double-walled construction
• Non-toxic wool insulation
• Ergonomic bench design
• 8mm tempered glass door
• Removable adjustable leveling feet
The cedar interior resists mold and odor while the thermo-treated aspen exterior resists warping and cracking.
Illumination & Smart Controls
Integrated lighting and controls enhance the sauna experience.
• Built-in LCD Wi-Fi touchscreen controller
• Bluetooth audio capability
• 6” Hi-Fi speakers
• Spectrum LED near infrared ceiling lights
• ETL certified components
Adjust temperature, lighting, and audio directly from the built-in control panel.

Features
• Full Spectrum infrared heating system
• 170°F maximum temperature
• 240V 15A electrical configuration
• Antimicrobial cedar interior
• Thermo-Aspen exterior
• Low EMF design
• Built-in Wi-Fi touchscreen controller
• Bluetooth audio system
• 8mm tempered glass door
• 3–4 Person capacity
• Spacious 72” x 46” footprint
What’s Included
Sauna Components
• Top, bottom, back, front, left & right panels
• Glass door (8mm tempered)
• Bench top & support
• Infrared heater panels
• Spectrum LED near infrared ceiling lights
• Heater cable & floor cable
• Interior heater connections with wood cover
• Removable adjustable feet
• Screws & hardware
• Power supply unit & power cable
• Door handle & hinges
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-3 |
| Capacity |
3-4 Person |
| Exterior Dimensions |
72” W x 46” D x 78” H |
| Room Volume |
111.3 cu. ft. |
| Maximum Temperature |
170°F |
| Interior Dimensions |
67” W x 41” D x 70” H |
| Voltage |
240V |
| Watts |
3150W |
| Amperage | 15A |
| Plug Type | NEMA 6-15P |
| Outlet Standard | 120V 15A |
| Glass Thickness | 8mm Tempered |
| Product Weight |
488 lbs |
| Shipping Dimensions |
80” W x 40” D x 79” H |
| Shipping Weight |
605 lbs |
| Interior Material |
Western Canadian Cedar |
| Exterior Material |
Thermo-Aspen |
Technical
Installation Manual |
|
Operation Manual V2 LCD Controller with WiFI |
|
Model FD-3 Diagram |
|
EMF Test Log |
|
FD-3 Spec Sheet |
|
Finnmark Warranty |
Why Choose the Finnmark FD-3?
The FD-3 is ideal for homeowners who want:
• A spacious 3–4 person infrared sauna
• True full-spectrum infrared performance
• Higher max temperature (170°F)
• Deeper tissue penetration
• Premium cedar interior craftsmanship
• Smart Wi-Fi control with Bluetooth audio
• A powerful 240V configuration for larger rooms
It combines full-spectrum infrared technology with spacious comfort and premium construction, built for serious home wellness.
