Skip to content
⚡ Sales Tax Free! (Except AZ, CA, FL, OH, IL) ⚡ FALL SAVINGS Are Here

Got Questions?Call Or Text An Expert:513-743-2829

Cart0

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

Authorized Finnmark Designs Dealer | Full Vendor Warranty Included

4.6/5 Based on 2,000+ Online Orders

Original price was: $11,349.00.Current price is: $8,995.00.

Save $2,354.00

Hurry! Only a few left in stock

Request a Quote
More payment options

Secure checkoutVISAMastercardAMEXPayPal

🚚 Shipping & Delivery TimeShipping timeline above is an estimate. Please live chat for precise ETAs and shipping costs.
🛡️ 30-Day Return GuaranteeCheck Policy
💲 Price Match Available
🏷️ Sales Tax Free! (Except AZ, CA, FL, OH, IL)
☀️ SUMMER DEALS ARE HERE – LOWEST PRICES GUARANTEED ☀️Summer prices are here! Shop now to grab the lowest prices of the season before the sun sets.
Description

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

The Trinity Combination Sauna is the only sauna available that combines Finnmark’s UL listed Spectrum Plus infrared heaters combined with a traditional sauna heater that uses vulcanite sauna stones to radiate and even heat and allow you to splash a ladle of water onto the rocks for steam. True medical grade Spectrum Red Light™ Therapy rounds out this multi-dimensional home wellness system.

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.

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
  • 4.5kW
  • 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). 
  • Requires wall-mounted time/temperature control
  • 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.

Health Benefits

  • The technology of the Spectrum Plus incoloy heaters warms your core body temperature, producing a cleaner, healthier sweat while lowering blood pressure, and maintaining heart health.
  • The natural heat produced by the Spectrum Plus heaters is designed to achieve a more controlled hot climate much like a traditional sauna without the unbearable heat temperatures. This deeper penetration through sweating goes beyond the muscle and fat rather than a traditional or hot air sauna.  As a result, you’re able to work up the best possible sweat in the least amount of time.
  • Spectrum Plus heaters remove 17% more toxins such as cholesterol, fat-soluble toxins, toxic heavy metals, sulfuric acid, sodium, ammonia and uric acid.
  • Full Spectrum Sauna combination of long-wave Spectrum Carbon 360 infrared panels with UL-listed short-wave Spectrum Plus™ infrared panels. This combination provides higher temperatures, full body coverage, deeper penetration, and better experience than any other sauna.
  • Reap the benefits of a more natural pain relief remedy with every infrared sauna session.
  • Athletes can appreciate a faster muscle recovery with increased blood flow to the muscles, delivering more concentrated oxygen and creating more energy to heal.

Product Specifications

Finnmark FD-5 Trinity XL Infrared & Steam Sauna Product 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 68.5″W x 45.5″D x 75″H
Exterior Dimensions 72″W x 48″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

What’s in the box?

  • 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 (29 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

  • Electrical Requirements: (requires two 240V circuits)

    • Harvia KIP 4.5kW Traditional Heater: 240V/1PH/18.8A hard-wired with 10AWG wire and 30A circuit breaker
    • Infrared/Lighting/Control: 240V/1PH/15A NEMA 6-15 plug
    • Power Cord Length: ~9′ long
    • Infrared will operate in conjunction with traditional heater up to 170F

  • IR Watts: 2700W
  • IR Emissivity: .997
  • Maximum Temperature: IR 170° F | Traditional 190° F
  • External Materials: Thermo-Aspen
  • Interior Materials: Western Canadian Cedar
  • Interior Dimensions: 71″W x 57.5″D x 75.5″H
  • Bench Dimensions: 71″ x 22″ (top bench) and 16″ (bottom bench)
  • Exterior Dimensions: 75″W x 64″D x 83″H (recommended to have 2-3″ of space around the sides and top of the sauna for airflow in and out)
  • Room Volume: 130 cu ft
  • Door Dimensions: 23 5/8″W x 68 7/8″H
  • Glass Thickness: 8mm W/Gasket
  • Product Weight: 575 lbs
  • Shipping Dimensions: 36″W x 52″H x 80″D
  • Shipping Weight: 654 lbs W/48 lb Pallet

Frequently Asked Questions

Do you offer free shipping?

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote.

How fast will my order arrive?

Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.

What's your return policy?

We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.

Can I talk to someone if I have product questions?

Absolutely! Our in-house product experts are here to help. Live chat or call us at 513-743-2829 for personalized advice before or after your purchase.

Do your products come with a warranty?

Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.

Are your products authentic and brand new?

Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

SHOP WITH PEACE OF MIND

Buy with confidence

VERIFIED STOREEvery product is authentic and brand new.
SECURESecure checkout and protected information.
SSL SECUREEncrypted browsing and checkout.

Over 2,000+ Online Orders

★★★★★ 4.64 (417)

★★★★★

Terry O

BLUETTI AC60P Portable Power Station | 504Wh, 600W

Happy with the Bluetti AC20P purchase. It’s lightweight and easy to carry, making it perfect for outdoor adventures. I love that it’s water-resistant and dust-proof, so I don’t have to worry about where I take it.

★★★★★

Diane

Harvest Right Freeze Dryer

Got a large freeze dryer just so we can make and preserve as much food as possible! I am very pleased with the quality of the freeze dried food and the variety of food that we can put into the system.

★★★★★

Josh

SunGoldPower Off-Grid Solar Kit

I set up the whole kit and they are performing really well. Highly recommend this solar kit if you’re planning to go off-grid solar. This kit can power my 3 bedroom home.

★★★★★

Ludwig

4-Season Deluxe Glamping Dome

Super customer service! Tony really helped me pick a glamping dome that fits my needs. He helped me with the buying process and made sure the glamping domes made it to my home.

★★★★★

Bobby K

Harvest Right Home Freeze Dryer

This is a cool little machine. Customer service went exceedingly well, the problem was corrected, and every batch has turned out as expected.

REAL REVIEWS, REAL RESULTS

Feedback From Our Customers

At Zenergy Recovery, we pride ourselves on delivering top-quality products and exceptional service to professionals and homeowners alike. Here’s what our customers have to say about their experiences with us.

View All Reviews Trustpilot customer rating

★★★★★

Kevin Leary

May 18, 2025

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

★★★★★

Bryan Cunningham

Off grid Kit · Dec 21, 2025

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

0 reviews
0
0
0
0
0

There are no reviews yet.

Be the first to review “Finnmark Designs FD-5 Trinity XL Infrared & Steam Sauna | 4 Person”

Your email address will not be published. Required fields are marked *

You have to be logged in to be able to add photos to your review.