Name: Finnmark FD-5 Trinity XL 4-Person Hybrid Infrared & Steam Sauna | FD-KN005
Brand: Finnmark Designs
SKU: FD-KN005
Price: 8995.0 USD
Availability: InStock

Finnmark FD-5 Trinity XL 4-Person Hybrid Infrared & Steam Sauna | FD-KN005

Finnmark FD-5 Trinity XL 4-Person Hybrid Infrared & Steam Sauna | FD-KN005

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Manufacturer's Warranty Included

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$8,995.00

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No Sales Tax (Except WY)

10-Year Warranty

30-Day Returns

Professional Installation Available

SKU FD-KN005

The ultimate sauna experience is here. The FD-4 Trinity™ XL 3-IN-ONE Hybrid Sauna combines all the benefits of infrared, steam and red light therapy all in one beautiful sauna cabin. UL listed Spectrum Plus™ infrared heaters combined with a Harvia™ & traditional heater all while soaking in red light therapy.

Why settle when you can experience it all?

Sauna Features

Spectrum Plus™ Infrared Heaters
UL Listed short wave infrared heaters for deep penetrating heat, up to 25x more than standard carbon panel heaters

Red Light + Chromotherapy Panel
192-diode LED system delivers 650nm red light paired with mood-boosting chromotherapy

Cedar Interior & Thermal Plus™ Aspen Exterior
Antimicrobial Western Canadian cedar resists mold and bacteria; aspen exterior is rot-proof and built-to-last

True 3-in-1 Sauna
Combines full spectrum infrared, traditional steam, and red light therapy in one powerful setup

Smart Controls & Premium Audio
Built-in LCD WiFi touchscreen controller, Bluetooth, and 6" HiFi speakers for a fully immersive experience

Spacious, Low EMF Design
Extra large two-tier bench system and lab-tested low EMF output ensures both comfort and safety

Heater Features

Harvia KIP Series B 4.5kW Sauna Heater

Wall-mounted design
Stainless steel construction
4.5kW
For sauna rooms from 100 to 210 cu. ft.
Built-in controls
240V/1PH operation
18.8 Amps
UL Listed
Exceptionally large rock capacity
Direct rock-to-heating element contact
Designed, engineered, and made in Finland
2-year warranty (consumer use)

Specifications

Product Spec Sheet

Maximum Temperature

Infrared: 170°F
Traditional: 190°F

Exterior Dimensions

75"W × 64"D × 84"H

Interior Dimensions

71"W × 57.5"D × 75"H

Electrical Requirements

FD-5 Trinity Sauna: 240V, 3150W, 15A, NEMA 6-15P plug
Harvia KIP45B Heater: 240V, 4.5 kW, 20A
(Installation by a licensed electrician required)

Infrared Heater Output

2700W

Wood Type

Thermal Plus™ European Aspen Exterior
Clear "A" Grade Western Canadian Red Cedar Interior

Sauna Weight

575 lb

Shipping Weight

840 lb

Shipping Dimensions

80"W × 40"D × 83"H

What's Included

Infrared sauna heater panels
Harvia KIP Series B 4.5kW sauna heater
1 box of the Harvia AC3000 0-10cm sauna stones
Bench: Support frame & seat top
Spectrum LED near infrared ceiling lights + red light therapy
Controller 2.0, built-in LCD touchscreen control panel with Bluetooth audio
Interior heater connections with wood cover
Power supply unit + power & heater cables
Screws & installation hardware
ETL certification
10-year limited warranty
Unlimited lifetime Spectrum Plus
2-year Harvia traditional heater warranty

Manuals & Certifications

Owner's Manual

Touchscreen Controller Manual

Outstanding Customer Satisfaction

Trusted by customers for comfort, quality, and lasting peace of mind.

Full Warranty Included

Authorized dealer pricing with manufacturer-backed coverage.

Flexible Financing

Monthly payments from 0% APR with Shop Pay.

Expert Support

Reach our team by live chat, phone, or email — M–F, 9am–5pm EST.

3-in-1 Hybrid Sauna: Infrared, Harvia Steam & Advanced Red Light

Why compromise when you can have it all? This revolutionary 3-in-1 sauna puts you in complete control of your wellness, combining legendary sauna traditions with modern technology for an unparalleled home spa experience.

Spectrum Plus™ Infrared

Tested and approved for safe use alongside traditional steam sauna stoves, meeting stringent safety standards such as those set by Underwriter Laboratories. Designed with advanced short-wave far-infrared technology, they deliver deeper muscle and joint penetration and can stimulate up to 25x more sweat compared to standard carbon panel heaters. Ideal for those seeking enhanced detox, circulation, and relaxation—all in less time.

Harvia™ KIP45B Electric Heater

Take your infrared experience to the next level and combine your sauna session with a Harvia™ traditional electric heater. Splash some water on the rocks and enjoy the many benefits of steam.

Spectrum Red Light™ Therapy

Premium LED panel capable of producing highly beneficial 650nm of red light therapy combined with chromotherapy for those days you need a little love.