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Infrared Red Light Therapy Sauna - Fits 5 People

★★★★★
358 Reviews
Fits 4-5 People
Units Sold This Month

This sauna uses full-spectrum infrared heat, steam, and red light therapy to naturally support your overall wellness. Regular sessions improve blood circulation, helping muscles recover and supporting heart health. The red light therapy also refreshes the skin and helps maintain a healthy metabolism.

Don’t compromise! Finnmark’s FD-5 Trinity is the only combination sauna with true UL listed infrared heater panels together with a traditional sauna heater. Furthermore, the IR panels, red light therapy. Get all the benefits of infrared combined with traditional rocks with steam.

Get hot fast! The only IR heaters that have passed the rigorous tests from Underwriter Laboratories used in tandem with a traditional steam sauna stove. Short wave far-infrared penetrates muscles, joints, and makes you sweat 25 times more than carbon panel heaters.

The traditional 240V/1PH 4.5kW sauna heater lets you splash some water onto the rocks for a luxurious steam sauna experience. Reap the benefits and the intensity only offered by a steam sauna.

Red light therapy is a type of phototherapy that uses low-level light wavelengths to penetrate the skin and stimulate the production of collagen and other proteins, which can lead to numerous potential health benefits. It’s a perfect enhancement to your sauna wellness ritual.

Traditional Sauna Heater Included.

 

Model

FD-5

External Materials

Thermo-Aspen

Interior Materials

Western Canadian Cedar

Volts

240

IR Watts

2700

Amperage

15 | TBD

Plug Type

NEMA 6-15

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

80"W x 40"D x 83"H

Shipping Weight

840 lbs

Model

KIP45B

Kilowatt Rating

4.5kW

Primary Fuel

Electric

Minimum Adjusted Cubic Feet

100

Maximum Adjusted Cubic Feet

210

Voltage

240V

Phase

1PH

Amperage

18.8 Amps

Heater Weight

40 lbs

Shipping Weight with Sauna Stones

84 lbs

Width In Inches

16" (406mm)

Depth In Inches

11" (279mm)

Height In Inches

24" (609mm)

Increase Life Expectancy by 24%

Increase Blood Flow + Younger Skin

Reduces Chances of Heart Attack by 51%

Starting at
/Month or
Sale price $8,995
Fits 4-5 People
0% Interest for 24 Months | Select at Checkout
icon In Stock, Ready to Ship by
icon Description

Description

This sauna uses full-spectrum infrared heat, steam, and red light therapy to naturally support your overall wellness. Regular sessions improve blood circulation, helping muscles recover and supporting heart health. The red light therapy also refreshes the skin and helps maintain a healthy metabolism.

Don’t compromise! Finnmark’s FD-5 Trinity is the only combination sauna with true UL listed infrared heater panels together with a traditional sauna heater. Furthermore, the IR panels, red light therapy. Get all the benefits of infrared combined with traditional rocks with steam.

Get hot fast! The only IR heaters that have passed the rigorous tests from Underwriter Laboratories used in tandem with a traditional steam sauna stove. Short wave far-infrared penetrates muscles, joints, and makes you sweat 25 times more than carbon panel heaters.

The traditional 240V/1PH 4.5kW sauna heater lets you splash some water onto the rocks for a luxurious steam sauna experience. Reap the benefits and the intensity only offered by a steam sauna.

Red light therapy is a type of phototherapy that uses low-level light wavelengths to penetrate the skin and stimulate the production of collagen and other proteins, which can lead to numerous potential health benefits. It’s a perfect enhancement to your sauna wellness ritual.

Traditional Sauna Heater Included.

 

icon Features

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.
What's Included In It:
  • 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
icon Specifications

Specifications

Model

FD-5

External Materials

Thermo-Aspen

Interior Materials

Western Canadian Cedar

Volts

240

IR Watts

2700

Amperage

15 | TBD

Plug Type

NEMA 6-15

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

80"W x 40"D x 83"H

Shipping Weight

840 lbs

Model

KIP45B

Kilowatt Rating

4.5kW

Primary Fuel

Electric

Minimum Adjusted Cubic Feet

100

Maximum Adjusted Cubic Feet

210

Voltage

240V

Phase

1PH

Amperage

18.8 Amps

Heater Weight

40 lbs

Shipping Weight with Sauna Stones

84 lbs

Width In Inches

16" (406mm)

Depth In Inches

11" (279mm)

Height In Inches

24" (609mm)

Used by Celebrities in the Fitness Space 🔥

Kim Kardashian

Kim Kardashian

Busy Philipps

Busy Philipps

Zac Efron

Zac Efron

Lady Gaga

Lady Gaga

Infrared Red Light Therapy Sauna - Fits 5 People

Infrared Red Light Therapy Sauna - Fits 5 People

Starting at
/Month or $8,995

Build your Sauna in less then 30 Minutes

Disclaimer: The example below is our 2 person infrared red light therapy sauna.

1

1

Build the Structure

Mount the feet to the sauna base and set it in your desired location, then swiftly assemble the main structure by installing the rear, side, and front panels, connecting them securely with the provided screws.

2

2

Install Seating and Lid

Install the bench after connecting the heater plugs beneath it, followed by propping the sauna's lid to feed the wires through its access hole.

3

3

Ready for Therapy

Finally, complete the assembly by connecting all the remaining internal and external power/data cables in the top access panel, and then placing the wood covers over the connections to finish the job.

LUXURY LIVING, EVERDAY WELLNESS

APPROVED BY EXPERTS

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Infrared Sauna Design for Every Space

EXPERIENCE THE TRANSFORMATION

Top Benefits of Sauna Use

Our Success Stories

What Our Customers Say

Jason M.

Stars

"The canopy design is beautiful and the heat is just right. It’s become my favorite home ritual.”

12/09/25 Verified Sauna Buyer

Megan W

Stars

“Setup was easier than I thought. Now my mornings start with calm and clarity.”

18/09/24 Verified Sauna Buyer

Robert H.

Stars

“Serious luxury that provides serious relaxation. My bloodstream thanks me every time.”

12/09/23 Verified Sauna Buyer

Sarah M.

Stars

“Shipping was on time, the quality exceeded my expectations, and the support team genuinely cared.”

18/5/24 Verified Sauna Buyer

Laura G.

Stars

“Feels like we brought a high-end spa home. Best investment in our wellness yet.”

12/7/25 Verified Sauna Buyer

Denise K.

Stars

“Sturdy, stunning, and spacious—exactly what we needed for evenings with friends.”

16/4/25 Verified Sauna Buyer

Emily R.

Stars

"I can’t believe how relaxing this sauna is! It feels like having a spa right at home. The quality is amazing and it heats up quickly."

6/12/24 Verified Sauna Buyer

Michael T.

Stars

"Bought one for my backyard and it’s the best decision ever. After work, I sit in for 20 minutes and all my stress just melts away."

5/8/25 Verified Sauna Buyer

David K.

Stars

"This sauna has changed my evenings. I use it with my wife almost every night—it’s cozy, private, and feels premium."

4/7/24 Verified Sauna Buyer

Mark J.

Stars

"I use it after gym sessions and it’s perfect for muscle recovery. Plus, it adds a real luxury feel to my home."

17/11/24 Verified Sauna Buyer
Background Image

Questions?
We've Got Answers

What is an infrared sauna?

An infrared sauna uses infrared light to heat the body directly, rather than heating the air, providing a more comfortable and effective sweat experience.

How does infrared therapy benefit health?

Infrared therapy can promote relaxation, improve circulation, alleviate muscle pain, and support detoxification through sweating.

Is infrared sauna use safe?

Yes, for most individuals. However, those with certain medical conditions should consult a healthcare provider before use.

How often should I use an infrared sauna?

Usage varies; however, many find benefits with 2–3 sessions per week. Beginners should start with shorter sessions and gradually increase duration.

What should I wear during a sauna session?

Light, comfortable clothing or a towel is recommended to allow the skin to breathe and sweat effectively.

Can I use an infrared sauna if I'm pregnant?

It's advisable to consult with a healthcare professional before using an infrared sauna during pregnancy.

How should I prepare for a sauna session?

Hydrate well before entering the sauna, avoid heavy meals, and ensure the sauna is clean and at the desired temperature.

Can I use the sauna for weight loss?

While sauna use can promote sweating and calorie burning, it should be part of a balanced lifestyle including diet and exercise.

Have Questions? LET'S TALK!
BOOK YOUR FREE CALL

Start your wellness journey. Book a sauna consultation today.