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The Most Doctor-Recommended. Compare All Models & Features.

(4.9/5 from 500+ Reviews) | Doctor Endorsed | UL Recognized
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Every Sauna Features

Low EMF Icon
Superior, Patented EMF and ELF mitigation in a class of its own, for a healthier sauna
Solid Wood
100% Solid Wood Construction – No Toxic Materials Anywhere
Heaters
Ideal Spectrum Heaters – 34% More Infrared, 34% More Benefits
Contoured Backrest
Contoured Backrest – Ergonomic comfort and proper alignment
Active Ventilation
Active Ventilation – 46% Less Carbon Dioxide so you can breathe easy
Immersive Lighting
Powerful Chromotherapy Immersive Lighting – customized to your session
High Quality Audio
Premium Audio – Bluetooth or aux-in (Bluetooth disabled)
Easy Assembly
Easy Assembly – Quickly assemble & disassemble with no special tools required
Transcend TR-1 Infrared Sauna - Exterior View Transcend TR-1 Infrared Sauna - Interior View

Foundation TR-1

1-Person Infrared Sauna

  • Ultra-Low EMF (< .4mG & 0.089 V/m)
  • Hypoallergenic Poplar or Hemlock Wood
  • 37½”W x 39¼”D x 77½”H
  • Perfect for smaller spaces
  • Standard 120V 15 amp outlet
Hemlock: $7,195

Financing Available with Klarna

Poplar: $7,595

Financing Available with Klarna

View the TR-1 Sauna
Transcend TR-2 Infrared Sauna - Exterior View Transcend TR-2 Infrared Sauna - Interior View

Foundation TR-2

2-Person Infrared Sauna

  • Ultra-Low EMF (< .4mG & 0.089 V/m)
  • Hypoallergenic Poplar or Hemlock Wood
  • 48¼”W x 46¼”D x 77½”H
  • Stretch out or share
  • Standard 120V 15 amp outlet
Hemlock: $7,595

Financing Available with Klarna

Poplar: $7,995

Financing Available with Klarna

View the TR-2 Sauna
Transcend TR-3 Infrared Sauna - Exterior View Transcend TR-3 Infrared Sauna - Interior View

Foundation TR-3

3-Person Infrared Sauna

  • Ultra-Low EMF (< .4mG & 0.089 V/m)
  • Hypoallergenic Poplar or Hemlock Wood
  • 67¾”W x 46¼”D x 77½”H
  • For the entire family
  • Requires 120V 20 amp outlet
Hemlock: $7,995

Financing Available with Klarna

Poplar: $8,395

Financing Available with Klarna

View the TR-3 Sauna

Smart Saunas Feature

Everything from our Foundation Series Plus:

Remote Control
Start from anywhere – Remote smart phone app controlled
HD Display
HD Display – Complete control of session and entertainment
Sauna Guide
Sauna Fitness™ Indicator & Progress Tracking – Quantify your cellular benefits
Personal User Settings
Personalized Session Guidance – Better results through individual customization
Voice Control
Voice Control – Hands-Free operation for a more relaxing session
WIFI Connect
Smart WIFI Connectivity – WIFI when you need it
High Quality Audio
In session apps – Entertainment, meditation, breathing + more
Schedule Sessions
Schedule Sessions – Schedule & Reserve personal sessions up to 2 weeks in advance
Transcend TRS-2 Infrared Sauna - Exterior View Transcend TRS-2 Infrared Sauna - Interior View

Transcend Smart TRS-2

2-Person Smart Infrared Sauna

  • Ultra-Low EMF (< .4mG & 0.089 V/m)
  • Hypoallergenic Poplar Wood
  • 48¼”W x 46¼”D x 77½”H
  • Your Intelligent Wellness Partner
  • Standard 120V 15 amp outlet
Poplar: $8,995

Financing Available with Klarna

View the TRS-2 Sauna
Transcend TRS-3 Infrared Sauna - Exterior View Transcend TRS-3 Infrared Sauna - Interior View

Transcend Smart TRS-3

3-Person Smart Infrared Sauna

  • Ultra-Low EMF (< .4mG & 0.089 V/m)
  • Hypoallergenic Poplar Wood
  • 67¾”W x 46¼”D x 77½”H
  • Your Intelligent Wellness Partner
  • 120V 20 amp outlet required
Poplar: $9,395

Financing Available with Klarna

View the TRS-3 Sauna
Shop Infrared Saunas by Size

Shop by Size

Find the perfect fit for your space and your family.

  • Compact 1-person footprint
  • Best-selling 2-person size
  • Spacious 3-person models
Transcend Foundation Series Infrared Sauna

Transcend Foundation Series

Professional-Grade Infrared Therapy for Every Home

Experience Wellness, Perfected – Available in 1, 2, and 3-Person Models.
Step into wellness with High Tech Health's Transcend Foundation Series infrared saunas – where cutting-edge science meets uncompromising craftsmanship. Trusted by more healthcare professionals than any other brand. Available in both Poplar and Hemlock.

34% More Effective Heating

Exclusive Ideal Spectrum™ heaters deliver faster, more far infrared light, proven by independent calorimetry testing.

Industry's Lowest EMF

Patented Clean Heat™ technology provides the safest experience, mitigating both electric and magnetic fields.

Breathe Easy Ventilation

Active ventilation system reduces CO2 by 46% compared to passive systems, maximizing detoxification.

Premium Comfort Standard

Includes ergonomic backrest, premium Bluetooth audio, and an immersive 12-color chromotherapy system.

Pure, Sustainable Materials

Choose from hypoallergenic hemlock or medical-grade poplar wood, meticulously sourced and free from toxic off-gassing.

Built to Last

Backed by our comprehensive 5-year warranty and complete 30-day money-back guarantee.

Transcend Smart Series

The Future of Infrared Therapy

The World’s First Intelligent Infrared Sauna – Available in 2 and 3-Person Models
The Transcend Smart Sauna Series combines groundbreaking AI-powered technology with our proven infrared therapy excellence, creating an experience that’s as intelligent as it is transformative. This isn’t just a sauna—it’s your personal wellness command center. Available in Poplar Wood.

All The Excellence of Transcend, Now Smarter:
The smart sauna series has all the features of our Foundation Saunas – but with a more intelligent and guided approach to your sessions:

Sauna Fitness™ Technology

World’s first sauna to measure cellular-level benefits, tracking your body’s adaptation to heat therapy with thousands of data points.

Total Control, Anywhere

Start remotely via our app, receive temperature notifications, and schedule sessions days ahead.

Personalized Intelligence

The Sauna Guide™ learns from 28+ years of expertise to recommend optimal settings, while the calendar shows when you’ll gain maximum benefit.

Entertainment Ready

Patent-pending door handle tablet holder, premium Bluetooth audio with on-screen controls, guided breathing, meditations and other activities.

Smart EMF Mode™

Revolutionary WiFi and BT management automatically disables during sessions, or choose always-safe Ethernet connection.

Quantified Wellness

Track session history, monitor progress, and optimize your routine with personalized statistics and research-driven protocols.

Transcend Smart Series Infrared Sauna
Infrared Sauna size comparison

Choosing Your Transcend Infrared Sauna

No matter which size is right for you, all Transcend infrared saunas include the same innovative, High Tech Health heater architecture, offering the complete range of infrared benefits, proven 34% more effective than other heater architectures, and boasts the lowest total EMF of any sauna in the industry. All High Tech Health infrared saunas are the only saunas that include active ventilation for the healthiest air during your sessions.

Poplar wood

European Poplar (aspen)

Hemlock wood

Western Hemlock

Find Your Perfect Model

Compare sizes and features to fit your lifestyle.

Foundation

Transcend TR-1

Best for: Solo users & tight spaces.
A compact personal sanctuary. Fits in small apartments or bedrooms. ⚡ 15A Outlet (Standard Plug) | 1 Person
View TR-1
Foundation

Transcend TR-2

Best for: Couples & Comfort.
Our most popular model. Spacious for one, comfortable for two. ⚡ 15A Outlet (Standard Plug) | 2 Person
View TR-2
Foundation

Transcend TR-3

Best for: Families & Stretching Out.
Full bench seating for three adults. Stretch out and relax. ⚡ 20A Circuit | 3 Person
View TR-3
Smart Series

Smart TRS-2

Best for: Data-Driven Wellness.
Includes Sauna Fitness™ biometric tracking, app control, and smart programs. ⚡ 15A Outlet (Standard Plug) | 2 Person
View Smart TRS-2
Smart Series

Smart TRS-3

Best for: The Ultimate Experience.
Maximum space combined with our full AI-enabled health tracking suite. ⚡ 20A Circuit | 3 Person
View Smart TRS-3

How to Choose an Infrared Sauna That's Actually Good for You

Not all infrared saunas are created equal — and the differences matter more than most companies want you to think about. When you're investing in something that's supposed to improve your health, the details of how it's built determine whether it actually delivers.

The Heaters Are Everything

The heater determines how much infrared actually reaches your body, how fast your core temperature rises, and how effective every session is. Most infrared saunas use flat carbon panel heaters that cover massive wall space to compensate for low output — and much of their infrared gets absorbed by wall material before it ever reaches you.

Our patented Ideal Spectrum™ heaters direct far infrared energy toward your body rather than into the cabin walls. In independent calorimetry testing, this architecture delivered 34% more infrared heat to the body than the panel heater design used by every other leading brand.

34% more infrared delivered to your body Independently verified by third-party calorimetry testing

EMF: What the Numbers Actually Show

Every sauna company says "low EMF." What most don't mention is they only measure magnetic fields and ignore electric fields entirely. These are two separate types of electromagnetic exposure, and both matter at the levels found in most saunas.

High Tech Health is the only company that mitigates both electric and magnetic fields across the entire cabin. Our saunas measure 0.36 milligauss | .089 v/M in third-party testing — one of the lowest EMF sources in your home. When comparing brands, ask for third-party verified numbers for both field types. If they can only give you one, that tells you something.

Wood Quality Is a Health Decision

Inside a heated enclosure, whatever the walls are made of goes directly into the air you breathe. Many saunas use plywood or particle board in non-visible areas — these off-gas formaldehyde and volatile organic compounds at sauna temperatures.

Every High Tech Health sauna is built from 100% solid wood — no plywood, no particle board, no toxic glues anywhere. We offer poplar, the wood of choice in medical clinics for its hypoallergenic qualities and minimal VOC emissions, and hemlock, a more traditional aesthetic with very low odor.

Ventilation: What Nobody Else Talks About

In an enclosed cabin where you're breathing heavily, CO₂ levels rise fast. Most saunas are sealed boxes with no air exchange — oxygen drops and your body's ability to detoxify is compromised before you even notice.

Our saunas are the only infrared saunas with built-in active ventilation, 46% more effective at maintaining healthy oxygen levels while preserving deep heat. It's one of those features you don't realize you need until you've used a sauna without it.

Sizing and Setup — Simpler Than You Think

No plumbing, no drainage, no steam ventilation, no permanent installation. Our 1- and 2-person models plug into a standard 120V household outlet. The 3-person model needs a 20A circuit. Ships as flat-packed panels through a standard doorway — most customers finish assembly in about an hour.

Trusted by More Healthcare Professionals Than Any Other Infrared Sauna

28+ Years · Same Ownership
8 Clinical & Engineering Disciplines
#1 Most Doctor-Recommended

High Tech Health has been designing and manufacturing infrared saunas longer than any other company in the country. We're still family-owned, still the same team that started it all, and the only sauna company whose staff includes an electrical engineer, medical doctor, chiropractor, holistic health practitioner, nutritionist, biochemist, biologist, and psychotherapist.

That clinical depth is why more practitioners recommend High Tech Health than any other brand — and why our saunas are found in integrative medicine clinics, naturopathic practices, and chiropractic offices across the country. We hold the patents on the technology that made truly low-EMF infrared saunas possible. When your sauna is engineered by people who understand human physiology — not just manufacturing — the result is a product that does what it's supposed to do.

Why Buy an Indoor Infrared Sauna for Your Home?

When you are ready to buy an infrared sauna, choosing a dedicated indoor infrared sauna provides the ultimate convenience and privacy for daily detoxification. Our Transcend Foundation and Smart Series models are precisely engineered to integrate beautifully into your home, turning a spare room, bedroom, or basement into a personal wellness sanctuary.

Understanding Near vs. Far Infrared Saunas

A frequent question we hear involves the difference between near and far infrared saunas. While near-infrared light primarily affects the very surface of the skin, far infrared sauna therapy penetrates much deeper into the body's tissues. This deep penetration is what triggers a profuse, detoxifying sweat at the cellular level. High Tech Health’s exclusive Ideal Spectrum™ heaters are explicitly designed to deliver a highly concentrated dose of far-infrared heat, proven to be 34% more effective than standard carbon block heaters.

Advanced Healing: Chromotherapy & Light Therapy

Every Transcend sauna includes a built-in chromotherapy lighting system, letting you customize your session with a full spectrum of colors. Many sauna users tailor their lighting to match their goals for the session — energizing blue or bright white tones for a morning reset, warm amber or soft orange hues to wind down after a long day, or deep red tones in the evening to promote relaxation and support your natural sleep rhythm. Green is a popular choice for balance and calm during a midday session. Chromotherapy is not the same as clinical red light therapy or photobiomodulation panels. It adds a personalized, intentional layer to your sauna routine — helping you create the right atmosphere for how you want to feel.

Frequently Asked Questions

Can I put an infrared sauna in my apartment or bedroom?

Yes — it's one of the most common setups for our TR-1. You need roughly 3.5 by 3.5 feet of floor space and standard ceiling height. No steam, no moisture, no drainage, no room modifications needed. It plugs into a regular outlet and disassembles completely if you move. See the full 1-person space and setup guide. Our 2-person saunas also fit well in bedrooms, or bathrooms. While our 3-person saunas are great for fitness rooms, larger bathrooms or living spaces.

Do I need an electrician or special wiring?

Not for the TR-1, TR-2 / TRS-2 — both run on a standard 15-amp, 120V household outlet. The TR-3 and TRS-3 models need a 20-amp circuit, which most homes already have in bathrooms or kitchens. If you need one added, an electrician can typically do it for $150–$300.

How long does assembly take?

Most customers finish in 45 minutes to an hour. The sauna ships as pre-built panels that buckle together — no permanent fasteners, no tools beyond what's included. Step-by-step videos are available for every model, and our team is a phone call away if anything's unclear.

What's the difference between the Foundation Series and the Smart Series?

Both use identical heaters, wood, ventilation, and EMF mitigation — the therapeutic benefits are the same. The Smart Series adds Sauna Fitness™ biometric tracking, app control, personalized session recommendations from The Sauna Guide™, guided breathing and meditation, premium Bluetooth audio with on-screen controls, and a patent-pending tablet holder. Same proven sauna with an intelligent wellness layer on top.

Is far infrared really better than full spectrum?

Every published study demonstrating infrared sauna health benefits used far infrared. Near infrared has legitimate medical uses in focused, targeted devices, but diffuse exposure in a sauna is different and carries concerns we take seriously. We've published an extensive, fully cited analysis if you'd like to review the evidence yourself.

How do your saunas compare to cheaper options on Amazon or Costco?

Saunas in the $1,000–$2,000 range use fundamentally different construction: panel heaters with lower output, plywood or composite wood with formaldehyde-containing glues, no electric field mitigation, and no ventilation system. If your goal is warmth, those saunas will get hot, but aren't particularly healthy. You will also immediately see the different in wood quality, fittings and construction. If your goal is a sauna that will last decades and the therapeutic and detoxification benefits that clinical research supports, the engineering matters — and that's where 28 years of focused R&D shows up. See here for more information on sauna costs.

Do you offer a warranty?

Every sauna includes our 5-year comprehensive warranty, and we stand behind what we build — same ownership since 1997. Contact our team for full terms or visit our return policy page.

Can I use HSA or FSA funds?

Yes! We've partnered with Truemed to make it easy to use your HSA or FSA funds toward your sauna purchase. Just let your product specialist know you'd like to pay with HSA or FSA, and they'll walk you through the process at checkout.

I have more questions. Can I talk to someone?

Call 1-800-794-5355 or request a callback. You'll reach our actual team — people who use the sauna every day and can answer clinical, technical, and practical questions. Many customers say the conversation with our team is what convinced them.

Still have questions? We're here to help.

1-800-794-5355

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Patented low-EMF technology. 100% solid wood. Active ventilation. Designed in-house since 1997. Free shipping in the continental US.

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