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Tosi™ 1-Person Full Spectrum Infrared Sauna - Cedar (Ultra-Low EMF)
✓ Ultra-Low EMF/ELF (Avg 0.32mG)
✓ Roomy 1-Person Design: 35.5"W x 35.5"D x 75"H
Speak with a sauna specialist today. Ask about our optional installation service.
Tosi Sauna Features
Experience deeper heat, faster recovery, and daily rejuvenation.
Full Spectrum Infrared
(6) far & mid infrared
(4) near infrared

Wood Type
Canadian Red Cedar
Number of Emitters
10

Power
120V / 15 Amp

Door
Tempered Glass, Reversible

Assembly
1 Hour
Audio
Premium Bluetooth Speakers (2)

Insulation
Dual Wall Insulation
Warranty
Up to 5 Years
Exacting specifications
Built with premium-grade materials, every component is subjected to extreme stress tests until it ships.
View all specifications
Overall dimensions
Sauna capacity
Why Tosi Stands Out?
You work hard. You push through. You keep going — even when your body is asking you to slow down. Tosi was built for that moment at the end of the day when you finally get to stop. Step in, close the door, and let 35 years of infrared engineering do what it was designed to do.
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Balanced Full Spectrum Coverage
Most saunas only heat the surface. Tosi's full spectrum reaches joints, muscles, and cells - the places where tension actually lives.
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Ultra-Low EMF/ELF
The longer you stay, the more you get out of it. Ultra-low EMF (Average 0.32 mG) means you can stay as long as you need to — without second-guessing it.
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Premium Wood
Real cedar. No chemicals. No synthetic coatings. Just the same natural wood that wellness spaces have used for centuries - now in your home.
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Modular Design & Reversible Door
Quick setup and flexible placement in any indoor space.
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Optimal Temperature
140°F supports prolonged infrared therapy without overheating.
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Modern Aesthetic
Minimal, Scandinavian-inspired design made to complement indoor spaces rather than clutter them
True Full-Spectrum Infrared - Beyond Simple Heat
Unlike saunas with halogen or narrow-spectrum heat, Tosi delivers true full-spectrum infrared-near, mid, and far wavelengths that reach the body where it matters most.
Near Infrared
Enhances cellular energy, improves circulation, reduces inflammation and pain, accelerates recovery, and supports skin and tissue repair through deep tissue penetration.
Mid Infrared
Provides focused warming of muscles and soft tissues, helping improve flexibility, reduce stiffness, enhance circulation, and support deeper therapeutic relief between near-infrared surface benefits and far-infrared core heating.
Far Infrared
Delivers deep, penetrating heat that raises core body temperature, promotes intense sweating, boosts circulation, supports detoxification, and helps reduce muscle tension and chronic pain.
The Full Spectrum Effect™
Using all three infrared wavelengths together enhances the overall therapeutic effect by enhances the therapeutic impact across both deep and surface tissues.
Customers' Videos
Watch the video testimonials from our customers.
Top Benefits
Experience a total transformation in your health and well-being.
Detox & Circulation
Deep perspiration helps eliminate toxins and improve blood flow.
Muscle & Joint Recovery
Supports comfort and recovery after workouts or daily activity.
Anti-Aging & Skin Health
Near infrared light promotes collagen and skin rejuvenation.
Stress Relief
Gentle heat and cedar aroma reduce tension and promote calm.
Better Sleep
Regular use supports deeper, more restorative sleep patterns.
Heart Health
Improved circulation and cardiovascular function through thermal therapy.
Expert Perspectives on Sauna Use
Explore expert conversations on sauna temperature, thermal routines, and the role of regular sauna use in broader wellness practices.
How Tosi Compares to Other Full Spectrum Saunas
While some premium infrared saunas rely on high-intensity heaters or single-panel designs, Tosi delivers.
Built to the Highest Standards
Every Tosi sauna is meticulously crafted with premium materials, advanced safety systems, and rigorous quality control - giving you peace of mind with every session.
| Feature | Tosi Saunas | Other Full Spectrum Saunas |
|---|---|---|
| Full-Spectrum Implementation |
✓
Near, mid, and far infrared, including LED-based near-infrared emitters |
✗
Often use halogen or quartz bulbs for the near-infrared component |
| EMF/ELF Levels |
✓
Ultra-low EMF/ELF, average 0.32 mG |
✗
Readings and measurement standards vary by system and heater type |
| Cabin Material Story |
✓
Raw Canadian Hemlock with no added paints or surface finishes |
✗
Materials, coatings, and adhesive approaches vary by brand |
| Coverage Philosophy |
✓
360° total surround coverage |
✗
Coverage patterns vary by cabin layout and emitter placement |
| Audio & Comfort |
✓
Premium Bluetooth speakers included |
✗
Varies by model |
Durability You Can Count On
Tosi is designed for consistent home use, with durable materials, a structured cabin build, and component choices intended to support long-term ownership.
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Designed for Daily Use
The system is built for repeatable at-home sauna routines, giving buyers a dedicated personal setup they can return to day after day.
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Tested for Long-Term Confidence
Tosi 360 is designed around dependable function, from its cabin construction to its heat system and hardware details.
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Lower-Maintenance Ownership
Natural wood, a clean cabin layout, and a home-friendly design help keep the sauna experience focused on use rather than constant upkeep.
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An Investment That Lasts
For buyers choosing a premium solo sauna, Tosi is designed to feel worth owning well beyond the first few sessions.
Technical Specifications
The details that matter. Built to exacting standards.
Dimensions
- Exterior:
- 35.5" (W) x 35.5" (D) x 75" (H)
- Interior:
- 33" (W) x 33" (D) x 72" (H)
- Bench:
- 30" (W) x 16.25" (D) 17.25" (Height from floor)
- Door Opening:
- 21.25"
- Weight:
- 250 lbs
Electrical
- Voltage:
- 120V
- Amperage:
- 15 Amps
- Power:
- 1,320 Watts
- Plug Type:
- Standard Household Output
Materials & Performance
- Placement:
- Indoor
- Interior Wood:
- Premium Red Cedar
- Exterior:
- Premium Red Cedar
- EMF/ELF Levels:
- Ultra-low (<0.32mG)
- Heaters:
- 6 far and mid infrared
- Full Spectrum Emitters:
- 4 advanced near infrared emitters
Your Finish, Your Style
The natural, untreated wood of every Tosi sauna invites endless design possibilities. See some of the most popular stains, and imagine your Tosi sauna in your favorite finish.
Custom Built-In Ready
With flat surfaces on all six sides, Tosi is designed for seamless built-in planning, allowing it to fit more naturally into walls, alcoves, cabinetry concepts, or dedicated wellness spaces.
Fits Corners, Walls, or Built-In Concepts
Tosi’s modular shape makes it easier to plan around different indoor layouts, including more integrated spa-style placements.
Adapts to Your Lifestyle and Home
From home gyms to bedrooms to quiet recovery corners, this sauna is built to work in the spaces where buyers are most likely to use it.
Personalize the Wood Aesthetic
The natural wood appearance creates a versatile base for buyers planning a more customized final look.
Concierge Service
DEDICATED SUPPORT
- Pre-purchase inquiry guidance
- Address verification for proper delivery
- Follow-up after delivery
Up to 5-Year Warranty
COMPREHENSIVE COVERAGE
- 2-year residential (upgradable to 5-year residential use)
- Covers heaters, controls, & structure
- Lifetime customer support
Standard Warranty
2-Year Warranty – Residential Use (Electrical Components & Heaters)*
1-Year Warranty – Commercial Use (Electrical Components & Heaters)*
1-Year Limited Warranty on Glass Doors and Wood Structure.**
*Covered Electrical Components Include: Digital Control Panel, Power Box, Carbon Fiber Heater Panels, Near Infrared Emitters, Chromotherapy Light Socket, LED Light, and Bluetooth Speaker System.
**Wood structure includes the following: Sauna cabin walls, seating bench, floor panel, and roof.
Please call your JNH Specialist at 1-800-528-3110 for more information
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Frequently Asked Questions
For Tosi:
- • 1-2 Person Models: No special wiring required. Standard 110V/15A outlet is sufficient.
- • 3+ Person Models: Dedicated electric service 120V/20A required.
For Tosi 360:
- • 1-2 Person Models: No special wiring required. Standard 120V/15A outlet is sufficient.
- • 3+ Person Models: Dedicated electric service 240V/11A required.
Tosi is rated at an average 0.32 mG for ultra-low EMF/ELF performance. Because full-spectrum heater technologies vary across brands, buyers should compare published readings, testing methodology, and whether the stated measurement reflects the system configuration they are evaluating.
Tosi combines near, mid, and far infrared in one cabin. Its near-infrared component is delivered through targeted LED-based emitters rather than halogen or quartz bulbs, helping support a more precise full-spectrum design while maintaining JNH’s ultra-low EMF/ELF performance standards.
Tosi’s natural wood design is shown with multiple finish inspirations, and its clean structure also supports built-in planning. Confirm available customization details with a sauna specialist before ordering.
Tosi is ideal for users who:
- • Want full spectrum infrared-far, mid, and near wavelengths in one cabin
- • Prefer a gentle 140°F heat level for longer sessions
- • Need a compact sauna for bedrooms, offices, or home gyms
- • Value ultra-low EMF/ELF and a chemical-free environment
- • Enjoy the aroma and natural look of Canadian Cedar or Hemlock
Tosi 360 is ideal for users who:
- • Want full spectrum infrared-far, mid, and near wavelengths in one cabin
- • Prefer a higher 170°F heat level with 360° coverage
- • Need a compact sauna for bedrooms, offices, or home gyms
- • Value ultra-low EMF/ELF and a chemical-free environment
- • Enjoy the natural look of Canadian Hemlock
Speak With a Sauna Specialist
We're here to help. Our US-based team is ready to answer your questions about the sauna, delivery, and our optional installation service.






