Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark FD-5 Trinity XL Sauna Combo
75"W x 64"D x 83"H
Premium 3-in-1 Combination Sauna Experience
Introducing the FD-5 Trinity Combination Sauna by Finnmark, a unique fusion of UL-listed Spectrum Plus infrared heaters, a traditional sauna heater, and vulcanite sauna stones for consistently radiant heat.
Elevate your wellness routine by splashing water onto the rocks for a revitalizing steam burst, and experience medical-grade Spectrum Red Light™ Therapy for a complete home wellness sanctuary.
Eco-Friendly and High-Efficiency Design
No compromises needed. The FD-5 Trinity is the only combination sauna featuring true UL-listed infrared heater panels combined with a traditional sauna heater.
The system integrates:
- Infrared heat therapy
- Red light therapy
- Traditional steam sauna heating
This seamless combination delivers both infrared warmth and the timeless experience of steam infused with aromatic sauna rocks.
Advanced Heating Performance
Experience rapid heating with UL-tested IR heaters by Underwriter Laboratories, paired with a powerful traditional 240V/1PH 4.5kW sauna heater.
- Short-wave far infrared penetrates deeply into muscles and joints
- Produces up to 25x more sweat than carbon panel heaters
- Traditional heater enables authentic steam sauna experience through water on heated stones
- Delivers unmatched intensity and wellness benefits unique to steam saunas
Spectrum Red Light™ Therapy
Enjoy advanced phototherapy technology with a 192-diode medical-grade LED panel delivering:
- 650nm red light therapy
- Combined chromotherapy
Supports skin and wellness benefits by stimulating collagen and deeper tissue response.
Premium Materials & Construction
- Antimicrobial Western Canadian cedar interior (resists mold, bacteria, fungus)
-
Thermal Plus™ Aspen exterior (resistant to rot, warp, decay, and chipping)
-
8mm tempered glass for superior heat retention
- Extra-large two-tier bench system
Smart Technology & Audio System
- Built-in LCD touchscreen controller
- Bluetooth audio connectivity
- 6" HiFi marine-grade speakers
- Low EMF design tested by NASA award-winning facility
- High emissivity infrared heaters
Harvia KIP Series 4.5KW Sauna Heater
- Wall-mounted design
- Stainless steel construction
- 240V / 1PH, 4.5kW heater with built-in controls
- Suitable for sauna rooms: 100–210 cu. ft.
- Requires minimum 50 lbs of stones (1 box - AC3000)
- Direct rock-to-element contact
- Industrial-grade serviceable heating elements
- UL listed
- Designed, engineered, and made in Finland
Dimensions: 16"W (406mm) x 11"D (279mm) x 24"H (609mm)
Warranty: 2-Year Consumer Use Warranty
Manufacturer Note: Sauna stones are essential for safety. Proper maintenance is required to keep warranty valid.
Package Contents
- 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)
- Infrared Sauna Heater Panels
- Harvia KIP Series 4.5kW Sauna Heater
- 1 Box Harvia AC3000 0–10cm Sauna Stones (44 lbs)
Note: Each natural stone is unique in shape and size. Additional stone box recommended for optimal fit, form, and function (additional freight charges may apply).
Certifications & Warranty
- Medical-grade LED Red Light Therapy (650nm) + chromotherapy
- V2 LCD 5" touchscreen controller with Bluetooth
- ETL Certification
- Limited Warranty
Specifications
| Model |
FD-5 |
| External Materials |
Thermo-Aspen |
| Interior Materials |
Western Canadian Cedar |
| Volts |
240 |
| IR Watts |
2700 |
| Amperage |
15 | TBD |
| Plug Type |
NEMA 5-15P |
| Maximum Temperature |
IR 170° F | Traditional 190° F |
| Interior Dimensions |
71"W x 57.5"D x 75.5"H |
| Exterior Dimensions |
75"W x 64"D x 83"H |
| Room Volume |
130 cu. ft. |
| Door Dimensions |
23.625"W x 68.875"H |
| Door Handle Dimensions |
1.5"W x 13.25"H |
| Glass Thickness |
8mm W/Gasket |
| Product Weight |
575 lbs |
| Shipping Dimensions |
36"W x 80"D |
| Shipping Weight |
654 lbs W/48 lb Pallet |
Resources
Features
At Inside Sauna, we aim to offer some of the most competitive sauna prices available online. To maintain fair and consistent pricing, we work closely with our manufacturers and comply with Minimum Advertised Price (MAP) policies. These guidelines help protect our customers and ensure ethical pricing among authorized retailers.
If you find the same product listed at a lower price on another online store, please reach out to us. Our team will review the offer to confirm it meets MAP requirements and dealer authorization standards. Once verified, we will gladly match the price.
Already placed your order? No problem — we can provide a partial refund or apply a custom price adjustment where applicable.
Price Match Eligibility Requirements
To ensure fairness and accuracy, the following conditions apply:
- Promotional offers such as rebates, coupon codes, or “buy one, get one” deals are excluded
- The competing product must be currently in stock
- The competitor must operate as an online-only store (no physical locations)
- Auction platforms, liquidation sites, and discount marketplaces are not eligible
- The competitor must be an authorized dealer of the specific product
If you want to verify whether a product qualifies for price matching before purchasing, we recommend contacting us first. Our support team will review the details and assist you.
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