4.8/5 by 1,000+ Verified Customers
The Daily Ritual You'll Never Want To Skip
Leave the stress of the day behind with full-spectrum infrared heat and built-in red light therapy designed to help you relax and recharge.
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As Seen On
3 Reasons Why Thousands Are Choosing Caldera Over Traditional Saunas
Infrared heat, red/NIR light, and at-home access create a deeper, more consistent sauna experience than the occasional gym or spa session.
Engineered For Longer Heat Exposure
SUSTAINED 149°F HEAT
Longer exposure to full-spectrum infrared heat and built-in red light therapy gives your body more time to relax, recover, and recharge.
Supports deeper recovery after every session
Helps your body unwind before bed
Supports a more relaxing evening routine
Helps you wake up feeling recharged
Delivers Heat Directly To Your Body
HEATS YOUR BODY DIRECTLY
Traditional saunas mainly heat the air, Caldera full-spectrum infrared heat warms your body directly while the built-in red light therapy helps support recovery, relaxation, and waking up feeling recharged.
Traditional saunas heat the room
Infrared: warms the body
Deeper full-body recovery
Your Body Needs More Than One Type Of Heat
Each infrared wavelength reaches a different depth: from skin-level recovery to deeper muscle support and full-body sweat.
Near infrared
Mid infrared
Far infrared
The Research Points To Frequency
CONSISTENCY IS THE PROTOCOL
The science isn’t about one sauna session. The biggest longevity benefits were seen in people using a sauna 4–7 times per week consistently.
2,315 adults studied
20-year sauna research
4–7x weekly use group
Try the Upgrade at Home
ZERO RISK GUARANTEE
Try Caldera at home for a full year. If it’s not the right fit, send it back. Backed by warranty coverage and expert support.
365-day risk-free trial
Warranty protection
Free shipping
Upgrade My Sauna
Infrared + Red/NIR Light
Private Home Sessions
Up to 149°F
365-Day Home Trial
Why Garage Reviews Rated Us #1
Why Garage
Reviews Rated Us #1
Experts tested multiple saunas and selected Caldera™ for its full-spectrum performance, safety, and home-friendly design.
Performance & Build Details
9 Carbon Heaters
Under-bench and underfoot placement for full-body heat coverage
Temperature Range
64°F–149°F adjustable heat settings
Fast Heat-Up
Ready in approximately 15–30 minutes
Session Timer
Adjustable from 0–90 minutes
LumaPanel
660nm + 850nm wavelengths, 180 LEDs, 900W output
Tempered Glass Door
Scratch-resistant and heat-retaining construction
Oxygen Ionizer
Helps maintain cleaner interior air
Low EMF
Designed for standard household compliance
CLINICALLY REVIEWED
Verified by Leading Health Professionals
Dr. Tara Scott, MD
Functional Medicine Physician
“Infrared sauna therapy can be a valuable tool for supporting recovery, circulation, and overall wellness. Relaxe Caldera combines infrared heat with red and near-infrared light in a way that makes these benefits easy to experience at home.”
365 Days Home Trial
4.9/5 Stars Customer Rating
3-Year Warranty
Trusted by 1,000+ Verified Customers
Real People. Real Results. Real Homes
What They Love Most
Private Recovery
Daily Use
Why They Bought It
No Gym Commute
Fits Their Routine
“I used to rely on the gym sauna a few times a week. With Caldera at home, I use it almost every day. The convenience alone made a huge difference.”
Emily R.
Verified buyer
What They Love Most
Consistent Heat
Red/NIR Light
Why They Bought It
No Crowded Gym Sauna
Post-Workout
“The gym sauna was always crowded and inconsistent. Now I finish my workout and step into my own sauna within minutes. I use it more often because it’s always ready.”
Michael T.
Verified buyer
What They Love Most
Stress Relief
Private Relaxation
Why They Bought It
Use Anytime
At-Home Wellness
“Having a sauna at home completely changed my routine. No driving, no waiting, no shared space. I can use it whenever I want.”
Sarah K.
Verified buyer
Bring Caldera Sauna Home
Frequently Asked Questions
36" L × 43" W × 75" H. 9 carbon heaters including under bench and underfoot. Temperature: 64–149°F. Timer: 0–90 min. Heats up in 15–30 minutes. Runs on standard 120V outlet.
47" L × 43" W × 75" H. Same features as the 1-person: 9 carbon heaters, 64–149°F, 0–90 min timer, standard 120V outlet.
Confirm exact dimensions with Relaxe directly — not listed on the product page. All core features (heaters, temp range, timer, LumaPanel) are included across all sizes.
Very. It features low EMF ratings, a tempered glass door (scratch-resistant, heat-retaining), intelligent temperature sensor probes, an oxygen ionizer, and a top vent window for proper ventilation. Built from Canadian Hemlock — deformation and moisture resistant.
It ships in clearly labeled flat-pack boxes that fit through standard doorways. Assembly takes approximately 45 minutes with two people. No contractor or electrician required.
The interior height is 75" (6'3"). The sauna comfortably fits most users. If you are taller than 6'3", contact Relaxe before purchasing.
Maximum temperature is 149°F. It reaches full operating temperature in approximately 15–30 minutes.
Yes. The LumaPanel™ is included — a $899 standalone value. It delivers 660nm red light (collagen support, skin clarity) and 850nm near-infrared (muscle recovery, joint stiffness, circulation). Protective glasses included. Position within 0–24" of the panel for best results.
Canadian Hemlock wood frame (deformation and moisture resistant), tempered glass door, 9 carbon heaters, and 4 chromotherapy light strips. Himalayan Salt Bar included standard.
Relaxe ships direct from their warehouse to you — no showrooms, no retailers, no Amazon fees. Those savings pass directly to the customer.
Shipping is free. Delivery takes 2–5 business days. Ships from a US warehouse in California.
Select your size and click Add to Cart on the product page. For cancellations, contact Relaxe at hello@relaxe.co or call 213-510-1483 (Mon–Sat, 9am–9pm PST).
You have 365 days to try the Caldera in your home. If you're not satisfied, Relaxe will schedule a pickup and issue a full refund, less return shipping costs. No questions asked.
The 1-person model is 36" L × 43" W × 75" H. Add 6–12 inches of clearance on all sides for ventilation and comfort. Ships in flat-pack boxes that fit through standard doorways — no structural modifications needed.
No. The 1-person and 2-person models run on a standard 120V household outlet. No dedicated circuit or licensed electrician required.
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