Henley Outdoor Cabin Sauna – 4-6 Person
Henley Outdoor Cabin Sauna – 4-6 Person
Free Shipping
Available Sizes
Optional Add-Ons
Over 50 Years in Business
Financing Available for Qualified Buyers
Customer Support Available 7-days/week
OVERVIEW
- PrairieFire™ 9kW electric sauna heater preheats 50% faster than standard 6kW models
- Cedar tongue-and-groove construction, 8mm tempered glass door, & powder-coated galvanized steel roof
- Heater, stones, Wi-Fi control panel, bucket, ladle, LED lighting, and hooks included — nothing extra to buy
- Ready-to-assemble components with step-by-step guidance through the BILT® app
- 5-year comprehensive warranty covering every component, with support available 7 days per week
WHAT'S INCLUDED
We engineered every part to work together seamlessly. Our team oversees everything from design to delivery for a complete sauna experience from day one.
The full comparison at a glance
| Feature | Backyard Discovery | "Others" |
| Heater Power | 9kW PrairieFire™ | 4.5kW - 6kW |
| Heat-Up Speed | ~50% faster than 6kW heaters | 40–60 minutes |
| Wi-Fi Smart Control | Included | Additional cost, if offered |
| Safety Certification | Full sauna ETL certification | Heater certification only |
| Roof | 29-ga galvanized steel, included | Sold separately; canvas or shingles |
| Door | 8mm tempered glass | 5–8mm tempered glass |
| Accessories | Complete kit included (stones, bucket, ladle, thermometer, LED lights) |
Most sold separately |
| Wall Thickness | 30mm | 30–35mm |
| Warranty | 5 years, no exclusions | 1–3 years, with exclusions |
| Customer Support | U.S.-based, 7 days/week, phone available | Varies — often email-only |
| Assembly | Pre-cut and drilled, ready to assemble + BILT® guided instructions | Varies by brand |
| HSA / FSA Eligible | Yes, for qualifying customers | Varies |
| Shipping | Free Own logistics network, 2-person crew, 99%+ damage-free |
Varies Often 3rd-party carriers |
Better Construction, Better Performance
Preheats faster and retains heat longer for lasting comfort.
We’ve Thought of Every Detail So You Can Relax
Everything you need for a complete sauna experience comes standard. No need for upgrades or add-ons.
Support You Can Rely On for Total Peace of Mind
Whether it’s warranty or support, we’re here to help at every step.
enjoy deep, authentic heat.
The authentic outdoor sauna, built better.
Sauna Structure Specifications
| Model (SKU) # | 2504776 |
| Sauna Type | Wet/Dry (Traditional) |
| Use Location | Outdoor |
| Sauna Shape | Cabin |
| Exterior Dimensions | 80" x 90.8" x 81.5" (W x D x H) including roof overhang |
| Interior Dimensions | 66" x 63.2" x 73" (W x D x H) |
| Interior Space | 170.6 Cu Ft |
| Wood Type | Cedar |
| Seating Capacity | 4-6 people |
| Number of Benches | 2 - Stacked |
| Bench Length(s) | 65" |
| Bench Depth(s) | 20" |
| Wall Construction | Tongue & Groove |
| Total Wall Thickness | 30mm |
| Door Construction | Tempered Glass |
| Door Thickness | 8mm |
| Roofing Material | 29ga powdercoated galvanized steel |
| Built-in Speakers | No |
| Support Cradles | No, not required |
| Anchors Included | Yes, Cement and Ground anchors included |
| Accessories Included | Sauna Stones, Robe Hooks, Bucket, Ladle, Thermometer |
PrairieFire™ Heater Specifications
| Heater Type | Electric Wet/Dry |
| Heater Power | 9kW |
| Heater Dimensions | 17.5" x 14.5" x 22.6" (W x D x H) |
| Heating Capacity | 462 ACF |
| Heater Mounting Type | Wall-mounted |
| Heater Stone Capacity | Max of 25 lbs (11.5-12.5 kg) |
| Temperature Range | 0°-194°F (-18° to 90°C) |
| Wi-Fi Compatible | Yes |
Electronics Specifications
| Control Panel Included | Yes, Smart Control Panel |
| Control Panel Location | Exterior & Remote Access (WiFi) |
| Mobile App | Yes, for remote pre-heating |
| Mobile Connectivity Type | Wi-Fi |
| Voltage | 240V |
| Amperage (Amps) | 50 amp |
| Wattage | 9,600 Watts |
| Electrical Needs | 240V/50 amp hardwired connection |
| Dedicated Circuit/Outlet Needed | Yes, hardwired |
| Power Connection | Hardwired |
| Certifications | ETL Certified |
| Electrical Install Type | Professional Electrician Installation Required |
Traditional Saunas, Built Different
Not all outdoor saunas are created equal. When you compare what's actually included — the heater, the roof, the accessories, the safety certifications, the warranty — the differences add up fast.
See Our DifferenceBackyard Discovery Blog
Your source for great information and advice on our saunas.
What Size Outdoor Sauna Do You Actually Need?
Industry capacity labels on outdoor saunas overstate comfortable use by about one person. Here's how to read between the ratings and choose the right outdoor sauna size for how you'll actually use ...
Low-EMF Infrared Saunas: What the Numbers Mean and Why They Matter
Are infrared saunas safe? EMF is the top concern for buyers researching a low-EMF infrared sauna. This guide breaks down what infrared sauna EMF levels actually mean, how to evaluate any brand's cl...
Barrel Sauna vs. Cabin Sauna vs. Cube Sauna: Which Shape Is Actually Best?
Three outdoor sauna shapes, three different experiences. See how the Paxton barrel, Lennon cube, and Henley/Bennett cabin saunas compare on heat distribution, bench layout, backyard footprint, aest...
Sauna for Muscle Recovery: What the Research Actually Shows
Four peer-reviewed studies. Named cohorts. Measurable outcomes. Here's what the research actually says about using a sauna for post-workout recovery and the protocol that matches the published data.
Infrared Sauna vs. Traditional Sauna: An Honest Comparison
Infrared saunas heat your body at 120–150°F. Traditional saunas heat the air to 150–194°F with optional steam. Same sweat, very different experience. Five questions to figure out which sauna fits y...
Assembly Instructions
Box Dimensions
| Box 1 | 91.14 in x 24.06 in x 7.28 in, Weight: 174.17 lbs |
| Box 2 | 65.55 in x 19.61 in x 8.86 in, Weight: 110.23 lbs |
| Box 3 | 25.83 in x 19.41 in x 14.17 in, Weight: 44.09 lbs |
| Box 4 | 91.38 in x 23.74 in x 5.31 in, Weight: 114.64 lbs |
| Box 5 | 65.08 in x 20.31 in x 5.31 in, Weight: 70.55 lbs |
| Box 6 | 90.35 in x 38.9 in x 6.57 in, Weight: 216.05 lbs |
| Box 7 | 89.57 in x 5.67 in x 6.57 in, Weight: 33.07 lbs |
| Box 8 | 91.14 in x 24.41 in x 1.5 in, Weight: 83.78 lbs |
| Box 9 | 18.5 in x 16.34 in x 22.24 in, Weight: 50.71 lbs |
Henley Outdoor Cabin Sauna – 4-6 Person Reviews
Owner Support
Smart Control, Right from your phone
Your sauna, your schedule. With the free Tuya Smart app, you're always in control — no matter where you are.
Get It Just Right Before You Even Step Outside
There's nothing better than a sauna that's perfectly warmed up and ready when you are. Preheat your sauna remotely so it's at your ideal temperature the moment you walk out the back door. No waiting. No guessing. Just pure relaxation on your terms.
Shop the Henley Outdoor Saunas collection
Shop All Sauna Collections
Find the best home sauna for your lifestyle and begin experiencing the transformative benefits of heat therapy.
Rylan Collection
The Rylan Collection delivers powerful infrared sauna benefits in a modern, compact design perfect for any indoor space.
Paxton Collection
The Paxton Collection brings the traditional sauna experience home with a rustic design and pure comfort.
Lennon Collection
The contemporary Lennon Cube Sauna gives you more room inside, built with tongue-and-groove cedar construction and a powder-coated galvanized steel roof that handles every season.