Peak Saunas Rainier 1-Person Indoor Near Zero EMF Full Spectrum Infrared Sauna with XL Medical-Grade Red Light Therapy & Smart WiFi App Control
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- Built-in XL Red Light Therapy Panel
- 360° Full-Spectrum Heating
- Control via the Peak Saunas App
- 2 Premium Bluetooth Speakers
- Near Zero EMF Electrical Casing
We stand behind the quality and craftsmanship of this sauna and we're here for you every step of the way.
Setting up your sauna is a breeze with our intuitive, snap-together design.
Reach the Peak of Wellness with Rainier
Luxury. Performance. Precision. All in one.
Introducing the Peak Saunas Rainier—a 1-person infrared sauna meticulously crafted for those who demand more from their wellness routine. Built from stunning Canadian red cedar and packed with high-end features like built-in red light therapy, WiFi control, and 360° full-spectrum heat, Rainier isn’t just a sauna—it’s a statement.
Whether you’re winding down after a long day, supporting your body through recovery, or investing in long-term vitality, Rainier is your personal sanctuary for full-body rejuvenation.
What Sets the Peak Saunas Rainier Apart?
🔴 XL Medical-Grade Red Light Therapy – Built-In
Real red light therapy. Real results.
✔ 8 optimized wavelengths (590–940nm) for proven therapeutic benefits
✔ X-Large panel placed on the front wall, not hidden in the ceiling like inferior models
✔ Enhances circulation, skin health, inflammation reduction, and recovery
🔥 360° Full-Spectrum Infrared Heating
Immersive heat therapy from every angle.
✔ 7 advanced carbon heating panels for full-body coverage
✔ Delivers near, mid, and far infrared to deeply penetrate muscles and tissue
✔ Over 99% panel emissivity for maximum absorption and detox
📱 Smart WiFi + App Control
Total control. Total convenience.
✔ Adjust temperature, lighting, and time from your phone
✔ Preheat your sauna from anywhere—home, work, or on the go
✔ Compatible with both iOS and Android
⚡ Low-EMF Electrical Shielding
Engineered for safety, built for peace of mind.
✔ All electrical components are wrapped in near-zero EMF casing
✔ Designed to eliminate unnecessary exposure for a cleaner, healthier sauna experience
🎵 Immersive Sound + Ambient Lighting
Turn every session into an experience.
✔ 2 high-performance Bluetooth speakers deliver rich, room-filling sound
✔ Dual-level LED accent lights under the bench and behind the backrest
✔ Built-in chromotherapy lighting to support mood and energy
🌡️ Up to 150°F for Deeper Detox
Go hotter. Sweat harder. Feel better.
✔ Reaches 150°F, hotter than most infrared saunas
✔ Encourages stronger sweat, improved circulation, and faster results
🌲 Crafted from Premium Canadian Red Cedar
Timeless beauty. Natural durability.
✔ No-VOC, ethically sourced cedar wood with a naturally pleasant aroma
✔ Includes a built-in oxygen ionizer to keep the air inside clean and fresh
🛠️ Simple Clasp-Together Assembly – No Tools Needed
Wellness shouldn’t be complicated.
✔ Tool-free setup in as little as 30–60 minutes with two adults
✔ Comes with built-in cedar backrests—no need to purchase extra accessories
📦 Ships Securely in a Reinforced Wooden Crate
Protection you can count on.
✔ Delivered in a custom wooden shipping crate, not a flimsy box
✔ Reduces risk of damage during transit
Specifications at a Glance
- Wood: No-VOC Premium Canadian Red Cedar
- Control: Touchscreen Interior + Exterior Panels + WiFi App
- Electrical: 120V / 1800W / 15A / NEMA 5-15P Plug (Standard Outlet)
- Max Temperature: 150°F
- Red Light Therapy: XL Medical-Grade Panel (Front Wall, 8 Wavelengths)
- Speakers: (2) 6” HiFi Bluetooth
- Assembly: Tool-Free, 30–60 Min with 2 Adults
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Dimensions:
- Exterior – 42”W x 40”D x 75”H
- Interior – 38”W x 36”D x 67”H
- Weight: 305 lbs
- Warranty: 5-Year Limited Warranty + Lifetime USA-Based Support
The Rainier Difference
While other brands charge extra for upgrades, Rainier includes them all standard—because you deserve the best from day one.
✔ Medical-grade red light therapy built-in
✔ Full-spectrum, 360° infrared heat
✔ Smart app control from anywhere
✔ Low-EMF design for safety
✔ Premium Bluetooth audio & lighting
✔ 150°F max heat for deeper detox
✔ Canadian red cedar—natural beauty & durability
✔ Ships in a protective crate for damage-free delivery
Experience Elevated Wellness with Rainier
If you’re looking for a 1-person infrared sauna that delivers on every promise—luxury, technology, and true wellness—the Peak Saunas Rainier is unmatched.
This isn’t just another infrared sauna.
This is Peak.
Order your Rainier today and reach the peak of wellness.
Fast & Free Shipping Nationwide
We offer free shipping on all orders within the continental U.S. through our network of warehouses in California, Illinois, Virginia, and beyond. Once you place your order, you’ll receive a confirmation email, and we’ll begin processing it right away.
For in-stock items, expect them to ship within 2-4 business days, and delivery typically takes an additional 3-7 business days. Smaller items ship quickly via standard carriers like UPS, FedEx, or USPS, while larger saunas are delivered via freight carriers with curbside service.
You’ll receive a tracking number once your order ships, and for larger deliveries, the carrier will contact you to schedule a convenient 4-hour delivery window. Upon arrival, please inspect your order before signing to ensure everything is in perfect condition.
We’re committed to making the shipping process smooth and worry-free so you can enjoy your new sauna without delay!
Effortless Assembly—No Expertise Needed!
This sauna features a smart, modular design with a clasp-together assembly and tongue-and-groove panels, making setup a breeze. With no tools or expertise required, two adults can have it fully assembled in just 30 minutes to 2 hours. Every piece fits seamlessly, ensuring a sturdy build that’s ready for use right away. Whether you’re a DIY pro or a first-timer, you’ll enjoy a hassle-free, snap-together experience and be relaxing in your new sauna in no time!
Note: If you prefer not to assemble it yourself, we recommend hiring a local handyman. Thanks to the simplicity of our sauna kits, any handyman team can easily complete the setup with no prior experience required.
Comprehensive Warranty for Peace of Mind
We stand behind the quality of every sauna we sell, offering a full manufacturer’s warranty to ensure lasting performance. If anything goes wrong during the warranty period, we’ll replace the defective part at no cost to you, including shipping. Labor costs aren’t covered, but no worries—our saunas are designed with easy-to-remove parts that pop in and out, so professional help isn’t required.
Infrared Sauna Health Benefits
Infrared saunas offer a wide range of scientifically supported health benefits. Unlike traditional saunas, infrared heat penetrates deeper into the body, heating you from the inside out and promoting enhanced detoxification, circulation, and relaxation.
- Detoxification: Infrared saunas increase sweat production, helping eliminate toxins like heavy metals and chemicals. Studies show that infrared therapy can boost detoxification by up to 20% more than traditional saunas.
- Improved Cardiovascular Health: Regular infrared sauna use has been shown to lower blood pressure, improve circulation, and reduce the risk of heart disease by 46%, according to a study published in JAMA.
- Pain Relief & Muscle Recovery: Infrared heat helps reduce inflammation, alleviate pain, and accelerate muscle recovery. Clinical trials report that 70% of patients with chronic pain experienced relief with consistent infrared therapy.
- Skin Health & Anti-Aging: Infrared saunas stimulate collagen production, improving skin elasticity and reducing wrinkles. Research shows an increase in skin hydration and a 26% reduction in wrinkles after regular use.
- Stress Relief & Better Sleep: Infrared saunas promote relaxation by reducing cortisol levels, leading to better stress management and improved sleep quality. 83% of users report feeling more relaxed and sleeping better after sessions.
These benefits make infrared saunas a powerful tool for overall wellness, helping you feel healthier inside and out.

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Compare With Similar Models
Peak SaunasPeak Saunas Rainier 1-Person Indoor Near Zero EMF Full Spectrum Infrared Sauna with XL Medical-Grade Red Light Therapy & Smart WiFi App Control$5,598.00 View details | Golden DesignsThe New York 1-2 Person Luxury Near Zero EMF Indoor Full Spectrum Infrared Sauna$3,998.00 View details | Peak SaunasPeak Saunas Zion 1-Person Indoor Near Zero EMF Full Spectrum Infrared Sauna with XL Medical-Grade Red Light Therapy & Smart WiFi App Control$5,598.00 View details | Peak SaunasPeak Saunas Shasta 1-Person Indoor Near Zero EMF Full Spectrum Infrared Sauna with XL Medical-Grade Red Light Therapy & Smart WiFi App Control$4,998.00 View details | Peak SaunasPeak Saunas Whitney 1-Person Indoor Near Zero EMF Full Spectrum Infrared Sauna with XL Medical-Grade Red Light Therapy & Smart WiFi App Control$4,998.00 View details | |
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Infrared Sauna
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Infrared Sauna
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Red Light Therapy |
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