Finnmark FD-5 Trinity XL Infrared and 

Traditional 4-Person Hybrid Sauna

The Ultimate Home Wellness Hybrid

Transform your home into a complete wellness sanctuary with the Finnmark FD-5 Trinity XL Combination Sauna. This spacious 3–4 person unit is the only sauna on the market that combines full-spectrum infrared heaters, a traditional Harvia sauna heater with stones, and medical-grade red light therapy in one elegant design.

Stretch out, relax, and enjoy the flexibility of choosing deep-penetrating infrared sessions, classic steam therapy, or both — enhanced by rejuvenating red light therapy for skin health, recovery, and overall vitality.

Why Choose the Finnmark FD-5?

3-in-1 Hybrid Heating System

• Infrared Heat — UL-listed Spectrum Plus™ short-wave panels combined with Spectrum Carbon 360° for fast warm-up, deep muscle penetration, and low EMF performance.

• Traditional Steam Sauna — Authentic Harvia KIP 4.5 kW heater with sauna stones for classic high-heat and steam therapy. Splash water onto the rocks for a revitalizing burst of steam.

• Red Light Therapy — A medical-grade LED panel (650 nm, 192 diodes) delivers collagen-boosting, skin-rejuvenating benefits, combined with soothing chromotherapy lighting.

Spacious XL Capacity

With interior dimensions of 71″ W × 57.5″ D × 75.5″ H, the FD-5 comfortably seats 3–4 people. The extra-large two-tier bench system offers flexible seating for families, couples, or post-workout recovery groups.

Durable, Eco-Friendly Build

• Antimicrobial Canadian Cedar Interior — naturally resists mold, fungus, and odors.

• Thermal Plus™ Aspen Exterior — heat- and steam-treated to prevent warping, decay, or chipping.

• Non-toxic Wool Insulation — ensures superior thermal retention and long-lasting performance.

Product Specs

Modern Comfort & Luxury Amenities

• 5″ LCD touchscreen controller with WiFi + Bluetooth audio

• 6″ HiFi marine-grade speakers for immersive sound

• 8 mm tempered glass door with gasket for ultimate thermal retention

• Two-tier bench seating for added comfort and flexibility

• Low EMF tested by NASA award-winning facility

Health & Wellness Benefits

• Choose infrared sessions for deep detox, recovery, and circulation

• Switch to traditional sauna mode for classic high-heat sweat and steam therapy

• Improves muscle recovery, skin health, and stress reduction

• Flexible hybrid design = more ways to meet your wellness goals

What’s Included

• Pre-assembled wall, floor, and ceiling panels

• Harvia KIP 4.5 kW sauna heater

• 1 box of Harvia AC3000 sauna stones (~44 lbs)

• Medical-grade red light therapy LED panel (650 nm)

• Infrared heater panels (Spectrum Plus + Spectrum Carbon 360°)

• Two-tier bench system

• V2 LCD WiFi touchscreen controller with Bluetooth

• All wiring, hardware, and installation components

Our Promise to You

At Sauna Sanctum, we’re committed to making your shopping experience simple, transparent, and worry-free. This Shipping Policy explains how we process and deliver your order. If you have questions, our support team is always here to help via live chat, our Contact Us page, or email at support@saunasanctum.com.com.

Placing Your Order

• Order Confirmation — Once your order is placed, you’ll receive an Order Confirmation email as proof we’ve received it.

• Stock & Availability Check — We immediately confirm product availability with our suppliers. Most saunas and accessories are in stock and ready to ship, while custom or made-to-order saunas may take longer (see Shipping Timeline below).

• Tracking Information — As soon as your order is shipped, you’ll receive an email with your tracking number so you can follow your delivery every step of the way.

• Follow-Up — If you don’t receive tracking details within 6 business days, please contact us and we’ll resolve it quickly.

Shipping Information

• Delivery Areas — We ship across the contiguous United States. Orders to Alaska and Hawaii may require additional fees; contact us for a custom shipping quote.

• International Shipping — At this time, we do not offer international delivery.

• Special Delivery Conditions — If your delivery requires additional handling (e.g., hard-to-access locations, limited entry points), a “difficult delivery fee” may apply. We’ll advise you before shipping if this is the case.

Shipping Timeline

• Custom Orders — Custom saunas generally require 3–4 weeks of preparation before shipping. For highly specialized orders, this timeframe may extend slightly.

• In-Stock Products — Accessories and pre-built saunas typically arrive within 5–7 business days after payment is processed.

• Unexpected Delays — In the rare event of supply chain issues or shipping delays, a member of our customer support team will notify you right away. If the revised delivery time doesn’t suit you, you may cancel your order for a full refund.

Upon Delivery

• Inspect Your Shipment — Before signing for delivery, please check for visible damage such as dents or scratches. Note any issues on the delivery receipt. Signing for a clean receipt means the shipment was accepted in perfect condition.

• Check Package Contents — Open and verify all items are included. Report any missing items to us within 48 hours for a prompt resolution.

• Concealed Damage — If you notice damage after delivery, notify us immediately so we can file a claim and resolve it quickly.

Order Refusal Policy

If an order is refused for reasons other than damage or shipping errors, a 20% restocking fee will apply, along with any return shipping costs.

Need Help?

Our customer service team is here to make your delivery smooth and stress-free. Contact us anytime at support@saunasanctum.com

• Warranty
• Specifications
• Dimensions & Layout
  
• Owner's Manual Guide
• WIFI Control Manual Guide