Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna
Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna

Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna

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Sale price$8,995.00 Regular price$9,495.00
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Model: FD-KN005
3-in-1 Sauna – Infrared, steam, and red light therapy in one.
Reaches up to 170°F in under 1 hour
Antimicrobial Cedar interior resists mold & bacteria
Thermal Plus™ Aspen exterior won’t warp or decay
Combines UL-listed Spectrum Plus™ & Carbon 360° panels
Low EMF design tested by NASA-award facility
High-emissivity heaters for deeper heat penetration
Handcrafted durability with over 15,000 sold
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Free Shipping to United States. Finnmark saunas are in high demand! Premium Saunas guarantees the fastest delivery available. Curbside delivery only and will lower the item's to ground level.
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How does delivery work?

Your sauna arrives as a DIY kit, securely packed on a large pallet and delivered via LTL freight. The driver will lower it to the ground at the curb (curbside delivery) and contact you in advance to schedule a convenient drop-off time. From there, you can move the individual panels to your build site — most pieces are easy to handle with two people.

Each shipment includes tracking updates and protective packaging to ensure a smooth delivery. At the driver’s discretion, your sauna may be placed inside a nearby garage. Most saunas can be fully assembled by two people in less than a day, and our team is always available to assist if you have any questions.

What are the electrical requirements?

This sauna’s infrared panels operate on a 240V / 15A outlet with a NEMA 6-15P plug, allowing for straightforward connection. The traditional sauna heater requires a 240V / 20A hardwired line, which must be installed by a licensed electrician for safe and proper operation.

How is the sauna built?

Finnmark saunas feature an interior made from A-Grade Western Canadian Cedar, a naturally antimicrobial wood that resists mold and moisture, creating a clean and long-lasting sauna environment. The exterior is built from Thermal Plus™ Aspen, a heat-treated wood engineered to stay strong and stable, preventing warping, rotting, and decay for years of reliable use.

What are the dimensions?

Interior Dimensions: 71"W × 57.5"D × 75.5"H

Exterior Dimensions: 75"W × 64"D × 83"H

Room Volume: 130 cu. ft.

Door Dimensions: 23.625"W × 68.875"H

Door Handle Dimensions: 1.5"W × 13.25"H

What is the warranty?

Finnmark saunas include a 10-year residential warranty, with lifetime coverage on Spectrum Plus™ infrared heaters.

Description

Finnmark FD-5 Trinity XL Sauna Combo, 75"W x 64"D x 83"H

Introducing the FD-5 Trinity Combination Sauna by Finnmark—a unique fusion of UL-listed Spectrum Plus infrared heaters and a traditional sauna heater, featuring vulcanite sauna stones for a consistently radiant heat. Elevate your sauna experience by splashing water onto the rocks for a revitalizing burst of steam, and immerse yourself in genuine medical-grade Spectrum Red Light™ Therapy, creating a comprehensive home wellness sanctuary.

Eco-Friendly and Efficient Design:

No need for compromises! The FD-5 Trinity stands as the exclusive combination sauna boasting authentic UL-listed infrared heater panels alongside a traditional sauna heater. The IR panels, red light therapy, and the traditional sauna heater are seamlessly integrated to offer the combined benefits of infrared warmth and the timeless allure of steam enveloping fragrant rocks.

Experience rapid heat with our IR heaters, rigorously tested by Underwriter Laboratories, harmonizing with a traditional steam sauna stove. The penetrating short-wave far infrared deeply reaches muscles and joints, inducing a sweat 25 times more than carbon panel heaters. The traditional 240V/1PH 4.5kW sauna heater enhances the experience, allowing you to sprinkle water onto the rocks for a sumptuous steam sauna encounter, unlocking unparalleled benefits and intensity unique to steam saunas.

Additionally, immerse yourself in the therapeutic embrace of red light therapy—an advanced form of phototherapy that permeates the skin, stimulating collagen and other proteins, offering a multitude of potential health benefits. Elevate your sauna wellness ritual with this perfect enhancement, exclusively from Finnmark Designs.

Traditional Sauna Heater Included

Features

  • Spectrum Plus™ UL Listed short wave infrared heaters for deep penetrating heat, up to 25x more than standard carbon panel heaters.
  • Spectrum Red Light™ Therapy. 192 Diode medical grade LED panel capable of producing highly beneficial 650nm of red light therapy combined with chromotherapy for those days you need a little love.
  • Antimicrobial Western Canadian cedar interior that protects against mold, bacteria, and fungus.
  • Thermal Plus™ Aspen exterior that will never rot, warp, decay, or chip. Making FinnMark Designs full spectrum infrared saunas one of the healthiest and longest-lasting saunas on the market.
  • 3-IN-ONE Combination. Compromise no more. Introducing the only combination sauna with true UL-listed infrared heaters combined with a traditional heater that produces high heat steam. Get all the benefits of infrared combined with traditional rocks with steam all while soaking in the benefits of a medical-grade Red light therapy LED panel.
  • Built-in LCD touchscreen controller with Bluetooth audio.
  • Audio with 6" HiFi marine grade speakers, 8mm tempered glass for the ultimate thermal retention.
  • Extra large two-tier bench system
  • Low EMF sauna tested by a NASA award-winning testing facility.
  • High Emissivity infrared heaters

Harvia KIP Series 4.5KW Sauna Heater:

  • Wall-mounted
  • Stainless steel construction
  • Harvia KIP 4.5kW, 240V/1PH heater with built-in controls.
  • For sauna rooms from 100 to 210 cu. ft.
  • Requires a minimum of 50lbs of stones (1 box-AC3000)
  • Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply).
  • Industrial-grade, serviceable heating elements
  • Exceptionally large rock capacity
  • UL listed
  • Direct rock-to-heating element contact
  • Designed, engineered, and made in Finland
  • Dimensions: 16"W (406mm) x 11"D (279mm) x 24"H (609mm)
  • 2-Year Warranty (Consumer Use)
  • Manufacturer's Note: Sauna heater stones are significant to the unit's safety. In order for the warranty to remain valid, the user is responsible for proper maintenance.

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 of the Harvia AC3000 0-10cm sauna stones (44 lbs)
  • Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply).
  • Medical Grade LED Red light therapy at 650nm plus color chromotherapy
  • V2 LCD Controller 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
  • Spectrum Plus™ UL Listed short wave infrared heaters for deep penetrating heat, up to 25x more than standard carbon panel heaters.
  • Spectrum Red Light™ Therapy. 192 Diode medical grade LED panel capable of producing highly beneficial 650nm of red light therapy combined with chromotherapy for those days you need a little love.
  • Antimicrobial Western Canadian cedar interior that protects against mold, bacteria and fungus.
  • Thermal Plus™ Aspen exterior that will never rot, warp, decay or chip. Making FinnMark Designs full spectrum infrared saunas one of the healthiest and longest lasting saunas on the market.
  • 3-IN-ONE Combination. Compromise no more. Introducing the only combination sauna with true UL listed infrared heaters combined with a traditional heater that produces high heat steam. Get all the benefits of infrared combined with traditional rocks with steam all while soaking in the benefits of a medical grade Red light therapy LED panel.
  • Built-in LCD Wi-Fi touchscreen controller with bluetooth audio.
  • Audio with 6" Hi-Fi speakers, 8mm tempered glass for the ultimate thermal retention.
  • Extra large two-tier bench system.
  • Low EMF sauna tested by a NASA award winning testing facility.
  • High Emissivity infrared heaters.

Harvia KIP Series B 4.5KW Sauna Heater

  • Wall-mounted
  • Stainless steel construction
  • 4.5kW
  • For sauna rooms from 100 to 210 cu. ft.
  • Requires a minimum of 50 lbs of stones (1 box-AC3000)Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply). 
  • Built-In controls
  • Available in 240V/1PH operation or 208V/3Ph operation
  • Industrial grade, serviceable heating elements
  • Exceptionally large rock capacity 
  • UL listed
  • Direct rock-to-heating element contact
  • Designed, engineered, and made in Finland
  • Dimensions: 16"W (406mm) x 11"D (279mm) x 24"H (609mm)
  • 2-Year Warranty (Consumer Use)

Manufacturer's Note: Sauna heater stones are significant to the unit's safety. In order for the warranty to remain valid, the user is responsible for proper maintenance.

Includes
  • 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 B 4.5kW Sauna Heater
  • 1 Box of the Harvia AC3000 0-10cm Sauna Stones (44 lbs)Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply).
  • Spectrum LED Near Infrared Ceiling Lights Combined with Medical-Grade Spectrum Red Light Therapy
  • Controller 2.0, Built-In LCD Wi-Fi Touchscreen Control Panel with Bluetooth Audio
  • ETL Certification
  • Limited Warranty
Specifications
  • Model: FD-5

Construction & Materials:

  • External Materials: Thermo-Aspen
  • Interior Materials: Western Canadian Cedar

Electrical Specifications:

  • Voltage: 240V
  • IR Wattage: 2700W
  • Amperage: 15A | TBD
  • Plug Type: NEMA 6-15
  • Maximum Temperature: IR 170°F / Traditional 190°F

Dimensions:

  • Interior Dimensions: 71"W × 57.5"D × 75.5"H
  • Exterior Dimensions: 75"W × 64"D × 83"H
  • Room Volume: 130 cu. ft.
  • Door Dimensions: 23.625"W × 68.875"H
  • Door Handle Dimensions: 1.5"W × 13.25"H
  • Glass Thickness: 8 mm with gasket

Weight & Shipping:

  • Product Weight: 575 lbs
  • Shipping Dimensions: 80"W × 40"D × 83"H
  • Shipping Weight: 840 lbs


Heater Specifications (KIP45B)

  • Model: KIP45B
  • Kilowatt Rating: 4.5 kW
  • Primary Fuel: Electric
  • Minimum Adjusted Cubic Feet: 100
  • Maximum Adjusted Cubic Feet: 210
  • Voltage: 240V
  • Phase: 1PH
  • Amperage: 18.8A
  • Heater Weight: 40 lbs
  • Shipping Weight (with Sauna Stones): 84 lbs
  • Width: 16" (406 mm)
  • Depth: 11" (279 mm)
  • Height: 24" (609 mm)
Manuals
Shipping

Finnmark saunas ship free within the 48 contiguous United States. This includes the sauna, heater (if applicable), and any accessories included in your order. For deliveries to Canada or other locations, please contact us for a customized quote.

Shipping Times

Delivery times vary depending on the specific Finnmark model and current availability. Some units ship quickly, while others may require additional lead time. For the most accurate estimate, feel free to reach out to us.

Freight Delivery

All Finnmark saunas ship via LTL freight, which requires a scheduled delivery appointment. The carrier will contact you in advance to arrange a convenient delivery time.

If you need help or have any questions about your shipment, we’re here to assist you.

Finnmark Saunas Sauna Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna

Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna

$8,995.00

Hot Rock Steam & Next-Level Infrared Technology

Experience the best of both worlds with Finnmark Designs’ exclusive 3-in-1 combination sauna—the only models featuring UL-listed full-spectrum infrared heaters paired with a Harvia traditional rock heater for authentic steam sessions.

Spectrum Plus™ Short Wave Infrared Heaters – Deliver deep, penetrating heat up to 25× stronger than standard carbon panels.

Spectrum Carbon Long Wave Heaters – Provide 360° of even, full-body infrared warmth.

Spectrum LED Near Infrared Lights – Combine medical-grade red light and color therapy for advanced rejuvenation.

Reaching 170°F in under an hour, this cutting-edge system offers true infrared therapy, traditional steam, and red light benefits—all in one uncompromising design.

Cedar Interior with Thermal Plus™ Exterior

Experience unmatched durability and purity with Finnmark Designs’ advanced wood construction.

“A”-Grade Western Canadian Cedar Interior – Naturally antimicrobial and resistant to mold, bacteria, and fungi, ensuring a clean, safe sauna environment. Unlike white woods such as hemlock, aspen, or poplar—which trap moisture and toxins—cedar remains hygienic and long-lasting.

Thermal Plus™ Aspen Exterior – Crafted using pure heat and steam (no chemicals or additives) in high-tech autoclaves, creating wood that won’t rot, warp, decay, or chip—even after years of use.

Built from premium materials that outlast and outperform cheaper alternatives, Finnmark Designs saunas are among the healthiest and most durable full-spectrum infrared saunas available today.

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