Finnmark
Finnmark FD-3 Full-Spectrum Infrared Sauna | 4-Person Home Sauna with Cedar Interior
Finnmark FD-3 Full-Spectrum Infrared Sauna | 4-Person Home Sauna with Cedar Interior
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The Finnmark FD-3 Full-Spectrum Infrared Sauna is a premium 3-4 person home infrared sauna built for deep, restorative heat sessions. Powered by UL-listed Spectrum Plus™ short-wave infrared heaters and Spectrum Carbon 360° long-wave panels, the FD-3 reaches up to 170°F on a 240V home outlet, delivering full-body infrared coverage for the whole family. A naturally antimicrobial Western Canadian Cedar interior and durable Thermal Plus™ Aspen exterior ensure lasting beauty and performance, while ETL listing and low EMF certification provide safety and peace of mind.
Strategically placed full-spectrum heaters provide 360° infrared coverage throughout the spacious 72"W x 46"D x 78"H cabin, while double-walled non-toxic wool insulation maximizes heat retention and energy efficiency. The built-in LCD Wi-Fi touchscreen, Bluetooth audio, and 6" Hi-Fi speakers make every session as convenient as it is comfortable. Whether used for post-workout relaxation, stress relief, or simply unwinding at the end of the day, the FD-3 brings spa-quality infrared wellness into your home.
Key Features
- 3-4 person full-spectrum infrared sauna
- UL-listed Spectrum Plus™ short-wave + Spectrum Carbon 360° long-wave infrared heaters
- Western Canadian Cedar interior, naturally antimicrobial, mold and odor resistant
- Thermal Plus™ Aspen exterior, rot, warp, and decay resistant
- Reaches 170°F on a 240V / NEMA 6-15P outlet
- LCD Wi-Fi touchscreen control panel with Bluetooth audio
- 6" Hi-Fi speakers + Spectrum LED near-infrared ceiling lighting
- 8mm tempered glass door
- Low EMF, tested by a NASA award-winning facility
- Double-walled insulated construction with non-toxic wool
- Removable, adjustable feet for uneven floors
- ETL Listed | Free shipping to the contiguous U.S.
Technical Specifications
Dimensions & Capacity
- Exterior: 72"W x 46"D x 78"H | Interior: 67"W x 41"D x 70"H
- Room Volume: 111.3 cu. ft. | Door: 23.6"W x 67.9"H | Glass: 8mm
Materials
- Interior: Western Canadian Cedar | Exterior: Thermal Plus™ Aspen
- Insulation: Double-walled non-toxic wool | Door: 8mm Tempered Glass
Heating & Controls
- Heaters: Spectrum Plus™ (short-wave) + Spectrum Carbon 360° (long-wave)
- Max Temp: 170°F (77°C) | Power: 3,150W
- Control: LCD Wi-Fi Touchscreen | Audio: Bluetooth + 6" Hi-Fi Speakers
Electrical
- 240V / 15A / Single Phase | Plug: NEMA 6-15P (240V outlet)
Weight & Shipping
- Product Weight: 488 lbs | Shipping Weight: 605 lbs
- Shipping Dimensions: 80"W x 40"D x 79"H
What's Included
- Complete sauna cabin kit with all panels and hardware
- UL-listed Spectrum Plus™ and Spectrum Carbon 360° infrared heaters
- Spectrum LED near-infrared ceiling lights
- Wi-Fi LCD touchscreen control panel with Bluetooth audio
- 6" Hi-Fi speakers, 8mm tempered glass door, adjustable sauna feet
- Power supply, cables, and installation manual
- ETL Safety Certificate + Limited Manufacturer Warranty
Shipping
Free shipping to the contiguous United States. Ships on a wooden pallet by appointment with curbside delivery. Customers will be contacted prior to shipment to coordinate delivery and discuss any site-specific requirements. Remote delivery areas may be subject to additional charges.
Model: FD-3 | SKU: FD-KN003 | Brand: Finnmark Designs | Type: 3-4 Person Full-Spectrum Infrared Sauna | Origin: Europe | Certifications: ETL Listed, Low EMF Tested | Warranty: Limited Manufacturer Warranty
Installation and Operation Manual
Operator Manual
Warranty
ETL Safety Certificate
Finnmark Certification
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Warranty policy
Warranty policy
Our warranty coverage varies by product category and manufacturer. All products sold through Marterra Elements are covered by the manufacturer's warranty as specified below.
Product-Specific Warranty Terms
Outdoor Showers & Saunas (SaunaLife)
- Structural Components: 3-year limited warranty on wood construction and structural integrity
- Hardware & Fixtures: 2-year warranty on stainless steel components, heaters, and fixtures
- Electrical Components: 1-year warranty on control systems and electrical parts
Official Warranty Information – SaunaLife
Hot Tubs & Spas (Empava, SaunaLife)
- Shell & Structure: 3-year limited warranty on acrylic shells and structural components
- Plumbing & Jets: 2-year warranty on pumps, jets, and plumbing systems
- Heaters & Controls: 2-year warranty on heating elements and control systems
- Cabinet & Cover: 1-year warranty on exterior cabinets and insulated covers
Official Warranty Information – SaunaLife
Official Warranty Information – Empava
Cold Plunge Tubs (Revive Plunge)
- Tub & Structure: 1-year comprehensive warranty
- Chiller Units: 1-year warranty on compressor and cooling systems
- Filtration Systems: 1-year warranty on pumps and filtration components
- Inflatable Models: 1-year warranty on materials and seams
Official Warranty Information – Revive Plunge
Infrared Saunas (Wizzisauna)
- Wood Structure: 3-year limited warranty
- Heating Panels: 5-year warranty on carbon-crystal heating elements
- Electronics: 1-year warranty on control panels and Bluetooth systems
Official Warranty Information – Wizzisauna
Compression Therapy Systems (Rapid Reboot)
- Control Units: 2-year warranty on CLASSIC and REGEN units
- Attachments: 2-year warranty on boots, hips, and arm attachments
- Accessories: 1-year warranty on thermal therapy sleeves
Official Warranty Information – Rapid Reboot
Fitness Equipment (OxeFit)
- Frame & Structure: Varies by model (see product specifications)
- Electronics & AI Systems: 1-year warranty
- Accessories: 1-year warranty
Official Warranty Information – OxeFit
Wellness Technology (Airvida)
- Red Light Therapy Beds: Varies by model (see product specifications)
- Hyperbaric Chambers: Varies by model (see product specifications)
- Hydrogen Systems: Varies by model (see product specifications)
1 year official warranty for all Airvida products and elements.
Pizza Ovens (Empava)
- Structure: 2-year warranty on oven body and construction
- Heating Elements: 2-year warranty on burners and heating systems
Official Warranty Information – Empava
What's Covered
Our warranty covers:
- Manufacturing defects in materials and workmanship
- Structural failures under normal use
- Malfunctioning components during the warranty period
- Parts replacement for defective components
What's Not Covered
The warranty does not cover:
- Normal wear and tear
- Damage from improper installation or use
- Damage from neglect, abuse, or misuse
- Damage from natural disasters, accidents, or acts of God
- Cosmetic damage that doesn't affect functionality
- Products modified or repaired by unauthorized technicians
- Damage from improper maintenance or cleaning
- Commercial use (unless specified as commercial-grade)
- Shipping damage (must be reported within 48 hours of delivery)
Warranty Claim Process
Step 1: Contact Us
- Email: support@marterraelements.com
- Include your order number, product name, and photos/videos of the issue
- Describe the problem in detail
Step 2: Evaluation
- Our team will review your claim within 2-3 business days
- We may request additional information or photos
Step 3: Resolution
- Repair: We'll provide replacement parts and instructions
- Replace: We'll ship a replacement unit if repair isn't feasible
- Refund: In rare cases, we may offer a refund (subject to approval)
Step 4: Return (if required)
- We'll provide a prepaid shipping label for warranty returns
- Pack the item securely in original packaging when possible
Installation & Maintenance Requirements
To maintain warranty coverage:
- Follow all installation instructions provided
- Use only authorized installers for products requiring professional installation
- Perform regular maintenance as specified in product manuals
- Use only approved cleaning products and methods
- Keep records of maintenance and service
Extended Warranty Options
Extended warranty coverage may be available for select products. Contact us for details on extended protection plans.
Manufacturer Direct Warranties
Some products are covered directly by the manufacturer. In these cases:
- Marterra Elements will facilitate the warranty claim process
- You may be directed to contact the manufacturer directly
- We'll assist with coordination and follow-up
Shipping & Handling
- Warranty Repairs: We cover shipping costs for warranty-approved repairs
- Non-Warranty Issues: Customer is responsible for shipping costs
- Curbside Delivery: Most products include free curbside delivery
- White Glove Service: Available for purchase on select items
Customer Satisfaction Guarantee
In addition to manufacturer warranties, Marterra Elements offers:
- 30-day satisfaction guarantee on select products
- Expert customer support throughout your ownership
- Access to installation guides and maintenance resources
- Dedicated support team for troubleshooting
Contact Information
Marterra Elements Customer Support
- Website: www.marterraelements.com
- Email: support@marterraelements.com
- Phone: +1 (844) 840-0414
- Hours: Monday-Friday, 8 AM - 4 PM EST
Important Notes
- Warranty terms begin from the date of purchase
- Original proof of purchase required for all warranty claims
- Warranty is non-transferable and applies to original purchaser only
- Some products may have different warranty terms - refer to product-specific documentation
- This warranty gives you specific legal rights, and you may have other rights which vary by state/province
Shipping & Refund
Shipping & Refund
Shipping Policy
We offer multiple shipping options depending on the product type, brand, supplier, and delivery location. In certain cases, products are fulfilled and shipped directly from our authorized suppliers or fulfillment partners.
All available shipping methods, costs, and estimated delivery timelines are clearly displayed at checkout before payment is completed. Read more about Shipping Policy.
Return Eligibility
Customers in the United States may request a return within 30 days of delivery, subject to the conditions outlined below.
To be eligible for a return:
- Items must be unused, undamaged, and in original condition
- Original packaging, labels, and included accessories must be intact
- Proof of purchase is required
Return eligibility may vary depending on the product type and supplier. Read more about Return and Refund
