Finnmark Designs FD-3 Full Spectrum 4 Person Infrared Sauna
Usually Ships Out: 4-8 Business Days
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Finnmark FD-3 Full-Spectrum Infrared Sauna – 4-Person Home Infrared Sauna
The Ultimate Home Sauna for Full-Body Relaxation & Recovery

Looking for a luxurious, spacious infrared sauna to elevate your wellness routine? The Finnmark FD-3 Full-Spectrum Infrared Sauna delivers the ultimate detox, muscle recovery, and relaxation experience for up to four people.
Engineered with cutting-edge infrared technology, this sauna reaches 170°F in under an hour using advanced UL-listed Spectrum Plus™ and Carbon 360° infrared heaters.
Unlike traditional saunas that rely on intense ambient heat, Finnmark’s full-spectrum infrared technology penetrates deep into muscles and tissues for a more effective detox and sweat session—without overwhelming temperatures.
Built with an antimicrobial Western Canadian cedar interior and a Thermal Plus™ Aspen exterior, this sauna is naturally resistant to mold, bacteria, and warping, ensuring a fresh, long-lasting wellness investment.
With a built-in LCD touchscreen, Bluetooth audio system, medical-grade Spectrum LED red light therapy, and low-EMF, NASA-tested infrared heaters, the FD-3 Infrared Sauna delivers an unbeatable home sauna experience.
FD-3 Full Spectrum Infrared Sauna Features
- Spacious 4-Person Capacity: Plenty of room to stretch out and relax with 67” of interior width.
- Industry-Leading 170°F Infrared Heating: Reaches full temperature in under an hour, delivering deep-penetrating heat for maximum detox and relaxation.
- Full-Spectrum Infrared Technology: Combines UL-listed short-wave Spectrum Plus™ heaters and long-wave Carbon 360° panels for superior heat penetration and full-body coverage.
- Western Canadian Cedar Interior: Naturally antimicrobial, resists mold, bacteria, and fungus for a fresh and clean sauna experience.
- Thermal Plus™ Aspen Exterior: Durable and resistant to warping, rotting, or decay, ensuring long-term use.
- Low EMF & NASA-Tested Infrared Heaters: Delivers safe, effective infrared therapy with minimal electromagnetic field exposure.
- Built-In LCD Touchscreen & Bluetooth Audio: Easily control temperature, lighting, and music with intuitive controls and 6” HiFi speakers.
- 8mm Tempered Glass for Superior Heat Retention: Traps heat efficiently while maintaining a sleek, modern aesthetic.
- Adjustable & Removable Sauna Feet: Balances easily on uneven flooring for perfect stability.
Finnmark FD-3 Full Spectrum Infrared Sauna Specifications
- Exterior Material: Thermo-Aspen
- Interior Material: Western Canadian Cedar
- Electrical Requirements: 240V / 3150W / 15A / NEMA 6-15P plug
- Max Temperature: 170°F
- Interior Dimensions: 67” W x 41” D x 70” H
- Exterior Dimensions: 72” W x 46” D x 78” H
- Room Volume: 111.3 cu. ft.
- Door Dimensions: 23.625” W x 67.875” H
- Glass Thickness: 8mm
- Product Weight: 488 lbs
- Shipping Weight: 536 lbs (including pallet)
- Warranty: Covered by the manufacturer’s limited warranty
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Enjoy deep-penetrating heat, improved circulation, and total relaxation with 3-4 Person Full Spectrum Infrared Sauna—all from the comfort of your own home.
Order Processing: Once you place your order, you'll receive an order confirmation email. Please allow 1-3 business days for processing. If there are any unexpected delays, we’ll reach out to you immediately.
Shipping Methods:
- Standard Shipping: Small items ship with UPS, FedEx, or USPS. They usually do not need a delivery signature.
- Freight Shipping: Large or heavy items ship with a box truck to your curbside or loading dock. They will schedule a delivery appointment when the shipment is in your area.
Delivery Timeline:
- Processing: Please allow 1-3 business days for us to process your order in our system.
- Handling Time: This product should ship out in days from the time it is processed.
- Transit Time: Ground orders take 1-5 business days. Freight shipments may take 3-10 business days, depending on your location.
- Delivery Appointment: For freight deliveries, the carrier will contact you to set a delivery time. Someone must be present to receive the delivery.
Receiving Your Shipment: Inspect your shipment for damage before signing the delivery receipt. For any issues, mark “DAMAGED, NEEDS REVIEW,” take photos, and contact us within 2-3 business days.
Warranty Information:
We’re an authorized dealer; all products include the original manufacturer’s warranty. See product details for coverage specifics.
Questions or a claim? Contact us or the manufacturer for assistance.
