Finnmark 4-Person Home Infrared Sauna 72"W x 46"D x 78"H FD-3

Stretch out and relax in Finnmark Design’s FD-3 Full-Spectrum 3 to 4 person infrared home sauna and create a daily wellness retreat in the comfort of your own home.

🚚 Free Shipping to the contiguous United States (48 states).

Finnmark Designs is the only infrared sauna manufacturer that combines long-wave carbon 360 infrared panels with UL-listed short-wave Spectrum Plus™ infrared panels. This combination delivers higher temperatures, full body coverage, deeper penetration, and an experience better than any other sauna. Each heater is strategically placed to offer the highest level of therapy possible.

Achieve temperatures of up to 170°F in less than 1 hour on a standard home outlet — an engineering marvel.

Naturally antimicrobial Western Canadian cedar protects against mold, bacteria, and fungus for a fresher-smelling sauna. The Thermal Plus™ Aspen exterior won’t rot, warp, decay, or chip, making Finnmark Designs full spectrum infrared saunas some of the most durable and longest-lasting saunas on the market.

• Antimicrobial Western Canadian cedar interior helps protect against mold, bacteria, and fungus.
• Thermal Plus™ Aspen exterior will not rot, warp, decay, or chip for long-term durability.
• Full Spectrum heating: long-wave Spectrum Carbon 360 infrared panels + UL-listed short-wave Spectrum Plus™ infrared panels for higher heat, fuller coverage, and deeper penetration.
• Built-in LCD touchscreen controller with Bluetooth audio.
• Audio system with 6" HiFi speakers.
• 8mm tempered glass for enhanced thermal retention.
• Ergonomic backrest for comfort.
• Removable and adjustable sauna feet for uneven surfaces.
• Low EMF sauna tested by a NASA award-winning testing facility.
• High emissivity infrared heaters.
• Double-walled construction with non-toxic wool insulation.
• Over 15,000 sold.

• Spectrum Plus incoloy heater technology warms core body temperature to promote a cleaner sweat while supporting heart health and helping lower blood pressure.
• Designed to create a controlled hot climate (similar to traditional sauna comfort) without unbearable heat, enabling deeper sweat penetration beyond muscle and fat and helping you sweat efficiently in less time.
• Spectrum Plus heaters remove 17% more toxins such as cholesterol, fat-soluble toxins, toxic heavy metals, sulfuric acid, sodium, ammonia, and uric acid.
• Full Spectrum combination (long-wave carbon 360 + UL-listed short-wave Spectrum Plus™) delivers higher temperatures, full-body coverage, deeper penetration, and a better overall experience.
• Supports natural pain relief with consistent infrared sessions.
• Athletes may experience faster muscle recovery through increased blood flow that delivers more concentrated oxygen to help the body recover.

• Bottom Panel
• Top Panel
• Back Panel
• Front Panel
• Left Panel
• Right Panel
• Glass Door
• Bench Support
• Bench Top
• Heater Cable
• Floor Cable
• Screws
• Power Supply Unit
• Power Cable
• Interior Heater Connections with Wood Cover
• Door Handle (2 Screws)
• Removable and adjustable sauna feet for uneven surfaces
• Infrared Sauna Heater Panels
• Spectrum LED near-infrared ceiling lights combined with medical-grade Spectrum Red Light Therapy
• Controller 2.0: built-in LCD touchscreen control panel with Bluetooth audio
• Audio upgrade with 6" HiFi speakers
• 8mm tempered glass for the ultimate thermal retention
• ETL Certification
• Limited Warranty

• Model: FD-3 Full Spectrum Infrared Sauna
• Capacity: 3–4 person (home use)
• Dimensions: 72"W x 46"D x 78"H
• Max Temperature: Up to 170°F (typically in under 1 hour on a standard home outlet)
• Interior: Western Canadian cedar (naturally antimicrobial)
• Exterior: Thermal Plus™ Aspen (won’t rot, warp, decay, or chip)
• Construction: Double-walled with non-toxic wool insulation

Note: Performance varies based on ambient temperature, placement, and usage.

🚚 Free Shipping to the contiguous United States (48 states).

Warranty PDF: View warranty document

Intertek Listing: View certification listing