TRS3 Smart Infrared Sauna
Designed in Boulder, Colorado · Since 1997

The Sauna Health Practitioners Choose.

Over 2,900 practitioners own and recommend a High Tech Health infrared sauna — more than any other brand. Here's what they look for.

Free shipping Continental U.S. • 10‑year warranty • 30‑day money‑back guarantee

Every Transcend® Sauna

Serious Therapy Requires More Than Hot Air

Four things you can’t see decide what a session does for you. We measure each one, show you the evidence, and build every sauna to the same standard.

Click the tile to see method and details.

For People Who Want to Know It's Working

Transcend® Smart Saunas

Every Smart sauna meets the full High Tech Health standard, then adds built-in research that informs your progress, full app control (Android / iOS), guided meditations, voice control, soundscapes, and session tracking. Available in poplar or okoume wood.
Two-person Smart Sauna in okoume wood.
Three-person Smart Sauna in okoume wood.

The Only Sauna That Shows What Each Session Did

And which day your next one will do the most. Time your sessions like a pro.

Our physiological model, built from thousands of body-temperature measurements and published heat-acclimation research, estimates how your body is adapting to heat. You see your progress and know when to go again, so the time you have goes where it counts. Patent-pending.

Sauna fitness progress in Transcend Smart Saunas

Transcend Smart Sauna Models
For People Who Want the Session Only

Transcend® Foundation Saunas

The same heaters, ventilation, EMF mitigation, and solid wood as our Smart series, with nothing to pair or learn. Available in poplar or hemlock wood.
TR2 Infrared Sauna in a zen inspired tea room
Transcend Foundation Sauna Models
Woman relaxing in a TR2 Infrared Sauna reading a book
Not sure which sauna is right for you?

Get a Spec You Can Hold Any Sauna Against

Tell us about your room and your week. In 90 seconds we'll tell you which Transcend fits and why, plus the standards to check any sauna you're considering, ours included.

High Tech health mentioned in books
Featured in40+Books

A Different Kind of Sauna Company

High Tech Health appears in more than 40 published books on detoxification, longevity, and environmental health.

Our team includes an electrical engineer, a chiropractor, a holistic health practitioner, a nutritionist, a biochemist, a biologist, and a psychotherapist.

Family owned. Sauna specialists since 1997. Carbon-negative since 2010.

From the Practitioners

The Sauna They Own and Recommend

  • Sherry Rogers, MD

    Sherry Rogers, MD

    Board certified by American Board of Environmental Medicine, Fellow of American College of Allergy, Asthma and Immunology, Fellow of American College of Nutrition, author of more than 12 books including Detoxify or Die

    “...the best sauna I could recommend.”

  • Roger Billica, MD

    Roger Billica, MD

    Former Chief of Medical Operations Branch at NASA Johnson Space Center

    “I am very willing and able and happy to recommend that particular brand.”

  • Stephen Sinatra, MD

    Stephen Sinatra, MD

    Board-certified Cardiologist, author/co-author of over 30 books including Spa Medicine: Your Gateway to the Ageless Zone

    “I use my sauna nearly every day.”

  • Doris Rapp, MD

    Doris Rapp, MD, FAAA, FAAP

    Board-certified environmental medical specialist and pediatric allergist, New York Times bestselling author, past president of the American Academy of Environmental Medicine

    “I personally use the High Tech Health Far Infrared Sauna at least three times a week to help keep me healthy.”

  • Marti Chitwood

    Marti Chitwood, RD, CCN

    Certified Clinical Nutritionist and wellness consultant

    “There are much cheaper saunas but you get what you pay for.”

  • Jake Johnston MD

    Jake Johnston, MD

    Emergency room physician

    “This will lower the total toxic environmental load that suppresses biological function, longevity, and ultimately, human potential.”

  • Bill Akpinar, MD, ND, DDS

    Bill Akpinar, MD, ND, DDS

    Author of No Sweat, Know Sweat

    “Most patients report feeling a heightened level of energy, general sense of wellness, less fatigue...”

  • Jeff Sullender, PhD, CCN

    Jeffrey Sullender, PhD, CCN

    Former Secretary for the International & American Associations of Clinical Nutritionists

    “I use it personally and do recommend it.”

  • David Dornfeld, DO

    David Dornfeld, DO

    Board certified family practice, board certified anti-aging medicine

    “High Tech Health's infrared sauna, that we have in the office, and as well I have one in my house, has been very helpful.”

  • Linda Howes, CN, HHP

    Linda Howes, CN, HHP

    Licensed Certified Nutritionist, a Certified Body Ecologist, a Certified Gluten Practitioner, and a board certified Holistic Health Practitioner

    “Using a High Tech Health far infrared sauna is a wonderful way to support our health and well-being.”

  • Steve Meress, MD

    Steve Meress, MD, FACP, ABIM

    Board-certified Internal Medicine and Holistic Medicine

    “We've worked with High Tech Health for approximately 13 years.”

Sherry Rogers, MD

Board certified by American Board of Environmental Medicine, Fellow of American College of Allergy, Asthma and Immunology, Fellow of American College of Nutrition, author of more than 12 books including Detoxify or Die

“The best way to get rid of heavy metals and pesticide residues? The Infrared Sauna. My searching led me to a very reputable company, High Tech Health...the best sauna I could recommend.”

Roger Billica, MD

Former Chief of Medical Operations Branch at NASA Johnson Space Center

“We think it's very very important and we find it to be a critical tool in our practice. A lot of our patients have used the High Tech Health saunas and are very, very satisfied with it, and I am very willing and able and happy to recommend that particular brand as a far infrared sauna.”

Stephen Sinatra, MD

Board-certified Cardiologist, author/co-author of over 30 books including Spa Medicine: Your Gateway to the Ageless Zone

“Clearly, detoxifying ourselves is one of the biggest personal challenges of the 21st century. The sauna that I’m now using is made by High Tech Health in Boulder, Colorado. I use my sauna nearly every day.”

Doris Rapp, MD, FAAA, FAAP

Board-certified environmental medical specialist and pediatric allergist, New York Times bestselling author, past president of the American Academy of Environmental Medicine

“I believe that anyone who wants to become or remain well must be detoxified so their body can more effectively excrete the many stored toxic chemicals that all humans presently contain. I personally use the High Tech Health Far Infrared Sauna at least three times a week to help keep me healthy.”

Marti Chitwood, RD, CCN

Certified Clinical Nutritionist and wellness consultant

“I know from having used the High Tech Health saunas for almost a decade and having one for several years myself, they are not going anywhere, they are right there and there are much cheaper saunas but you get what you pay for. Their tech support is great.”

Jake Johnston, MD

Emergency room physician

“The High Tech Health poplar Far Infrared Sauna has the ability to systematically eliminate internal chemical and heavy metal toxins, including mercury. This will lower the total toxic environmental load that suppresses biological function, longevity, and ultimately, human potential.”

Bill Akpinar, MD, ND, DDS

Author of No Sweat, Know Sweat

“Most patients report feeling a heightened level of energy, general sense of wellness, less fatigue, improved immune system function, better sleep, weight loss, and just a generalized better sense of wellness and feeling better.”

Jeffrey Sullender, PhD, CCN

Former Secretary for the International & American Associations of Clinical Nutritionists

“And for many people, the far infrared sauna then becomes a pivotal tool and a very productive tool to help remove and lower that total body burden very safely and very gently over time. So I've had great experience with it in my clinical practice. I use it personally and do recommend it.”

David Dornfeld, DO

Board certified family practice, board certified anti-aging medicine

“We love to use the far infared sauna. High Tech Health's Infrared sauna, that we have in the office, and as well I have one in my house, has been very helpful.”

Linda Howes, CN, HHP

Licensed Certified Nutritionist, a Certified Body Ecologist, a Certified Gluten Practitioner, and a board certified Holistic Health Practitioner

“Using a High Tech Health far infrared sauna is a wonderful way to support our health and well-being. So the saunas with High Tech Health truly are non-toxic and even very ill people, chemically ill people, can use these saunas with great results. Another reason why I highly recommend High Tech Health, above all, is their customer service. It is outstanding.”

Steve Meress, MD, FACP, ABIM

Board-certified Internal Medicine and Holistic Medicine

“We've worked with High Tech Health for approximately 13 years. And find them to be tremendous people. Helpful. Patients call up with questions. And there's always benefits of getting good quality, just like any other product that you buy, by knowing the people that are building them, that service them, having the questions answered.”

OUR COMMITMENT

No Transcend Heater Has Ever Failed in the Field

Not one, across tens of thousands of heaters since they were introduced in 2015. That’s why every Transcend carries a 10-year limited warranty, with 3 years on Smart displays in our Smart series. Ten years, defined in writing.
From Our Owners

Worth Every Session

  • Professional NFL player and his TRS-3
  • Athlete and the TRS-2 Infrared Sauna
  • Omar Eloff and his TRS-2 Infrared Sauna
  • Caite and her TR-2 Infrared Sauna
  • Hot yoga in a TR-3 Three Person infrared sauna
  • Owen McKibbin in his Transcend Infrared Sauna
  • Blanchard in her Transcend TR2 Infrared Sauna

Talk to someone who owns one.

Every call is answered by someone with health expertise who own and use these saunas. No commission rides on which model you choose, which is why we sometimes recommend the less expensive one.
High Tech Health Boulder Team
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Black Friday Price ProtectionDetails

Now through Friday, October 30

The Halloween Sale

$1,100 off Foundation Series
$1,300 off Smart Series
  • Free shipping in the continental US
  • New10-year residential warranty
  • Limited timeFull spectrum front-heater set for $300. Shipping January.

Black Friday Price Protection

Buy when you’re ready — your offer is protected. Order a Transcend sauna beginning October 13. If we lower our advertised price on the same model or add a Black Friday promotional bonus through November 30, we’ll extend the same benefit to you.

No need to wait. No need to ask us to match it later.