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Finnmark - FD-4: 2 Person Infrared & Steam Sauna – Trinity Full Spectrum

Finnmark - FD-4: 2 Person Infrared & Steam Sauna – Trinity Full Spectrum

Top Authorized Dealer 10 Year Warranty Included
  • Infrared, Steam, and Red-Light in One
  • Rebuilds Faster, Clears Brain Fog, Deepens Sleep
  • Engineered for Decades of Consistent Performance

 

 

$7,795.00 $8,499.99
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  • 10 Year Warranty

Product Description

You don’t lose because you slow down.

You lose when focus dulls, when your best ideas start landing flat, and the edge that once felt automatic begins to slip.

That’s not burnout. That’s buildup...

Fatigue, tension, and noise collecting faster than you can clear it.

The Finnmark FD-4 Trinity was built to burn that buildup out of your system.

It’s the only recovery system that combines infrared heat, Finnish steam, and medical-grade red-light therapy in one precision-engineered chamber.

Three proven technologies working together to keep your mind sharp, your muscles loose, and your nervous system steady.

It reaches 170°F in under 45 minutes, powered by UL-listed Spectrum Plus™ short-wave heaters and a Harvia Finnish steam unit that delivers authentic rock-pour heat.

Together they create full-body coverage, deeper penetration, and a physiological response that traditional saunas can’t touch.

Inside, it feels balanced and deliberate.

Heat builds from the core outwards, loosening fascia, releasing tension, and washing away the static of overwork.

When the Spectrum Red Light™ diodes engage, it’s like every cell takes a deep breath...

Circulation opens, oxygen flows, and the noise in your head thins to quiet focus.

You step out calmer, sharper, and centred like the A/C instantly wiping the fog from the windscreen.

Every detail is built for health and longevity.

The Western Canadian Cedar interior is naturally antimicrobial, protecting against mould and bacteria.

The Thermal Plus™ Aspen exterior resists warping, rot, and time itself.

Non-toxic wool insulation locks in even heat, while 8 mm tempered glass holds silence and temperature in perfect balance.

Control it all through a Wi-Fi touchscreen with Bluetooth audio and Hi-Fi speakers...

Tested for low-EMF performance by a NASA-award-winning facility.

This isn’t relaxation. It’s measurable return.

Consistent use has been shown to:

– Increase circulation and cardiovascular efficiency.

– Accelerate recovery and reduce soreness by up to 40 %.

– Improve joint mobility and relieve chronic tension.

– Stimulate collagen and cellular repair through red-light therapy.

– Flush up to 17 % more toxins than standard infrared systems.

Over 15,000 Finnmark systems are trusted worldwide by those who understand that real recovery isn’t passive... it’s productive.

Recovery isn’t about slowing down...

It’s about maintaining the clarity and control that keep you performing at your best for years to come.

If better sleep and cleaner focus buy back even 30 minutes of output a day, that’s 180 hours a year — nearly a month of extra performance.

At $9,980, it’s an investment that pays for itself in focus, energy, and endurance.

Performance engineering built for longevity.

The Finnmark FD-4 Trinity... the most complete home recovery system ever designed.

Specs

All 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 Design's 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 Vega Compact 1900

  • Wall-mounted design
  • Stainless Steel construction
  • 1.9kW
  • For sauna rooms from 70 to 106 cu. ft. 
  • Requires a minimum of 29 lbs of sauna 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
  • Ergonomic operating switches
  • Switches can be installed on the right or left side of the heater
  • Designed, engineered, and made in Finland
  • Dimensions: 11"W (279mm) x 11"D (279mm) x 21" (533mm)
  • 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.

Specifications:

External Materials: Thermo-Aspen

Interior Materials: Western Red Cedar

Volts: 120

IR Watts: 1750

Amperage: 15/20

Plug Type: NEMA 5-15P

Outlet: Standard 120v 15a

Maximum Temperature: IR 170F - Traditional 190F

Interior Dimensions: 44.25"W x 45.5"D x 75.5"H

Exterior Dimensions: 48"W x 48"D x 83"H

Room Volume: 86 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: 437 lbs

Shipping Dimensions: 80"W x 40"D x 58"H

Shipping Weight: 618 lbs

Model: Vega Compact 1900

Kilowatt Rating (KW): 1.9kW

Primary Fuel: Electric

Minimum Adjusted Cubic Feet: 70

Maximum Adjusted Cubic Feet: 106

Voltage: 120V

Phase: 1PH

Nominal Amps: 15.9 Amps

Heater Weight: 15.4 lbs

Shipping Weight with Sauna Stones: 59.4 lbs

Width In Inches: 11" (279mm)

Depth In Inches: 11" (279mm)

Height In Inches: 21" (533mm)

Finnmark Warranty

Finnmark FD-4 Owners Manual

Scientific Evidence

1. Sharper Focus and Mental Clarity

Infrared sauna use may reduce brain inflammation and oxidative stress, improving energy production in brain cells and supporting cognitive function. For high performers, that means fewer brain fog days, clearer decision-making, and a sharper edge in deep work sessions.

2. Faster Recovery and Greater Readiness

A study in athletes showed that a single infrared sauna session after training reduced muscle soreness, preserved power, and improved perceived recovery, all without disrupting the body’s natural recovery rhythms. This means you bounce back faster, train harder, and show up stronger the next day.

3. Better ROI from Every Workout

In a six-week controlled trial, athletes who added short infrared sauna sessions after training gained more neuromuscular performance than those who didn’t. It shows how heat exposure amplifies the benefits of your effort, delivering greater results from the same amount of work.

4. Better Sleep and Stress Reset

Infrared heat helps regulate stress hormones and improves sleep by raising your core temperature and then allowing it to cool — a natural signal to rest. Better sleep means stronger focus, steadier energy, and more willpower for the work that matters most.

5. Long-Term Brain Health and Cognitive Protection

Large studies link frequent sauna use to a lower risk of dementia and Alzheimer’s disease. That means the benefits go beyond short-term performance — you’re protecting cognitive function for the long game, ensuring your best years stay ahead of you.

Sources:

Ahokas, E.K., Ihalainen, J.K., Hanstock, H.G., Savolainen, E. & Kyröläinen, H., 2023. A post-exercise infrared sauna session improves recovery of neuromuscular performance and muscle soreness after resistance exercise training. Biology of Sport, 40(3), pp.681–689. https://doi.org/10.5114/biolsport.2023.119289.

Frontiers in Sports and Active Living, 2025. Effects of infrared sauna on neuromuscular performance: a controlled trial. Frontiers in Sports and Active Living, 7, p.1462901. https://doi.org/10.3389/fspor.2025.1462901.

Hotworx, 2024. How infrared sauna exposure can increase cognitive function. Hotworx Science Blog. Available at: https://www.hotworx.net/blog/how-infrared-sauna-exposure-can-increase-cognitive-function

Saunas.org, 2023. Sauna, memory, and cognitive performance. Saunas.org Research. Available at: https://saunas.org/sauna-memory-cognitive-cerebral-performance

Oosterveld, F.G.J., Rasker, J.J., Floors, M., et al., 2009. Infrared sauna in patients with rheumatoid arthritis and ankylosing spondylitis: a pilot study showing good tolerance, short-term improvement of pain and stiffness, and a trend toward long-term beneficial effects. Clinical Rheumatology, 28(1), pp.29–34. https://doi.org/10.1007/s10067-008-0977-y.

Shipping & Returns

Shipping:

Shipping is completely free in the US, no surprises at checkout. We offer free curbside delivery across the lower 48 states in the U.S. For Alaska or Hawaii, contact us for a custom freight quote.

In Canada, we offer low flat-rate shipping on large items to keep costs down while ensuring safe, reliable delivery.

Returns are accepted within 30 days for new, uninstalled items. Email support@workrecoverplay.com for an Return Authorization number before returning. Damaged or incorrect orders are covered by workrecoverplay.com; other returns receive a full credit minus a $20–$50 re-boxing fee.

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3-in-1 Infrared, Steam & Red-Light System

3-in-1 Infrared, Steam & Red-Light System

NASA-Tested Low-EMF Safety

NASA-Tested Low-EMF Safety

Performance-Grade Design & ROI

Performance-Grade Design & ROI

Why It’s More Than Heat

The recovery tool that sharpens your mind, body, and edge.

Decision fatigue is real. Sauna resets your mind, sharpens focus, and boosts deep-work productivity so you lead with clarity, even under pressure.

Think Clearer, Lead Smarter

Deep sleep. Sharp thinking. Long-term resilience. Sauna supports brain health, heart function, and HRV, helping you perform now and protect what matters most: your edge.

Invest in Your Future Self

Infrared sessions regulate cortisol and support deep sleep cycles, keeping your nervous system calm and recovery consistent.

Stronger Stress Balance and Sleep.

Improved circulation and oxygen delivery to the brain help reduce fog, sharpen attention, and sustain mental performance under pressure.

Sharper Focus and Cognitive Clarity.

Looks Good. Works Better

What Makes the FD-4 the Ultimate 3-in-1 Sauna System

3-in-1 Infrared, Steam, and Red-Light System

The only home sauna combining UL-listed Spectrum Plus™ infrared panels, Finnish steam heat, and medical-grade red-light therapy for total recovery.

170°F Peak Heat in Under 45 Minutes

Spectrum Plus™ short-wave heaters deliver professional-grade intensity and depth that typical saunas can’t match.

Authentic Finnish Harvia Steam Unit

Pour water over real vulcanite stones for genuine rock-pour heat and steam — a ritual built for both muscle and mind.

Smart Control System with Hi-Fi Audio

Built-in Wi-Fi touchscreen, Bluetooth sound, and 6” speakers make every session controlled, effortless, and immersive.

Antimicrobial Cedar Interior & Thermal Aspen Exterior

Naturally resists mould, warping, and decay. Every surface stays clean, cool, and solid through years of daily use

NASA-Tested Low-EMF Engineering

Verified by an award-winning testing facility for ultra-low EMF output, giving you maximum performance with zero interference.

3-in-1 Infrared, Steam, and Red-Light System

The only home sauna combining UL-listed Spectrum Plus™ infrared panels, Finnish steam heat, and medical-grade red-light therapy for total recovery.

170°F Peak Heat in Under 45 Minutes

Spectrum Plus™ short-wave heaters deliver professional-grade intensity and depth that typical saunas can’t match.

Authentic Finnish Harvia Steam Unit

Pour water over real vulcanite stones for genuine rock-pour heat and steam — a ritual built for both muscle and mind.

Smart Control System with Hi-Fi Audio

Built-in Wi-Fi touchscreen, Bluetooth sound, and 6” speakers make every session controlled, effortless, and immersive.

Antimicrobial Cedar Interior & Thermal Aspen Exterior

Naturally resists mould, warping, and decay. Every surface stays clean, cool, and solid through years of daily use

NASA-Tested Low-EMF Engineering

Verified by an award-winning testing facility for ultra-low EMF output, giving you maximum performance with zero interference.

We make recovery
energizing invigorating empowering

High Performance Starts with your Space

Engineered with premium materials and craftsmanship that stand the test of time.

Every product comes from brands trusted by professionals who expect results.

Recover faster, stay consistent, and perform at your best every day.

Performance-grade comfort that supports the body and mind without compromise.

Create a space built for focus, efficiency, and calm, where great work happens.

Your Success, Our Guarantee

Free US Shipping

No hidden fees. Tracked and delivered safely. Low-cost shipping to Canada.

Support In Every Step

We're here to save you time and answer any questions you have.

30-Day Money Back Guarantee

If it’s not the right fit, send it back, hassle free.

Multi-Year Warranty on All Products

Built to last. Covered for years.

Other Pieces Built to Perform

Frequently Asked Questions

Most “full spectrum” saunas only reach 140 °F and use the same heater type for all wavelengths. The FD-2 is the only model combining UL-listed short-wave Spectrum Plus™ and long-wave Carbon 360 panels, achieving true full spectrum and 170 °F on a standard outlet — a genuine engineering edge.

The modular panel system makes it easy for two adults to assemble in under an hour with simple tools — no contractors or wiring required.

Regular use supports heart health, muscle recovery, joint mobility, stress relief, skin clarity, and detoxification — with studies showing improved circulation and reduced inflammation over time.

A Wi-Fi-enabled LCD touchscreen, Bluetooth audio with Hi-Fi speakers, and adjustable feet for uneven floors — all standard. It feels premium because it is.

Unlike most infrared saunas that top out around 140 °F, the FD-2 reaches 170 °F in under an hour thanks to its hybrid heater design... a genuine engineering feat in the category.

They're the only saunas that combines long-wave carbon 360° infrared panels with UL-listed short-wave Spectrum Plus™ heaters. This dual-spectrum system delivers deeper heat, full-body coverage, and higher temperatures (up to 170 °F) on a standard home outlet, no electrician needed.

Infrared saunas are defined by the wavelength of light they emit, and each type penetrates the body at a different depth, delivering distinct benefits. The right choice depends on your goals and lifestyle:

Near Infrared (NIR):
The shortest wavelength, absorbed mostly at the skin’s surface. Targets the skin’s surface to boost circulation, collagen, and cell repair. Best for improving skin health and healing.

Mid Infrared (MIR):
Medium-length wavelength that penetrates soft tissue and muscles. Known for pain relief, inflammation reduction, improved joint mobility, and muscle recovery. Best for athletes or those needing faster recovery and better mobility.

Far Infrared (FIR):
The longest wavelength, reaching deep into the body’s core. Reaches deep into the body, driving sweating, detox, heart health, and relaxation. Best for detox, stress relief, and cardiovascular support.

Full Spectrum:
A combination of near, mid, and far infrared. Delivers the complete range of benefits in one unit. Best for high performers and longevity-focused users who want a complete, all-in-one wellness solution.

Infrared saunas are energy-efficient. Expect to pay a few cents per session, roughly $0.10–$0.30/hour depending on your electricity rate.

Wipe interior surfaces with a damp cloth after use, avoid harsh chemicals, and clean the Himalayan salt bar gently (if applicable).

Most people benefit from 3–5 sessions per week, with some doing shorter daily sessions. Always start slow and increase frequency as your body adapts.

Infrared saunas like this operate almost silently. Aside from a gentle fan sound, most users read, meditate, or even work on a laptop inside without distraction.

Finnmark Designs is an American sauna company known for combining Scandinavian craftsmanship with modern infrared technology. With tens of thousands of units sold worldwide, trusted by athletes, wellness professionals, and home users seeking clinical-grade recovery.

Your sauna arrives on a pallet via freight carrier, securely boxed and ready for simple assembly. You’ll get a call to schedule delivery and can inspect before signing.

Your Finnmark sauna is built to last: the key heating system (Spectrum Plus™) is covered for life under normal residential use, the cabin and structure are covered for 10 years, and controls/power supply also get 10 years. Just install it per the manual, maintain it, and you’re backed by one of the strongest warranties in the home wellness equipment space

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