Name: Backyard Discovery 4-6 Person Cedar Outdoor Cube Sauna with Electric Heater & Glass Door
Brand: Backyard Discovery
SKU: 19238414146
Availability: InStock
Rating: 5 (24 reviews)

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Backyard Discovery 4-6 Person Cedar Outdoor Cube Sauna with Electric Heater & Glass Door

Instructions

<summary>
<ul>
<li><strong>Rapid Heating</strong>: Features a PrairieFire 9kW electric heater with sauna stones, reaching ideal temperatures 50% faster than standard 6kW units.</li>
<li><strong>Robust Construction</strong>: Built with tongue-and-groove cedar, an 8mm tempered glass door, and a galvanized steel roof for superior insulation and year-round outdoor durability.</li>
<li><strong>Spacious Seating</strong>: Comfortably seats 4-6 people on two solid cedar stacked benches, offering ample room within its natural cedar interior.</li>
<li><strong>Smart Preheating</strong>: Includes a Wi-Fi control panel for remote preheating via smartphone, allowing the sauna to be warmed before entry.</li>
<li><strong>Complete Accessories</strong>: Comes standard with a bucket, ladle, thermometer, and dimmable LED lighting for an authentic Finnish steam or dry heat experience.</li>
<li><strong>Outdoor Dimensions</strong>: Measures 69.5" W x 76.2" D x 78.3" H, designed for outdoor placement in backyard or patio wellness spaces.</li>
<li><strong>Electrical Setup</strong>: Requires a dedicated 240V/50 amp electrical connection and professional installation for optimal heating.</li>
</ul>
</summary>

<h3>Designed for Authentic Finnish Heat</h3> <p>Delivers unparalleled heat therapy, right at home. It's designed with our high-performance 9kW heater engineered to reach the perfect temperature faster than standard sauna heaters, while the all-weather steel roof and premium construction lock in heat for superior insulation. It comes with a Wi-Fi control panel, bucket and ladle for traditional steam, and dimmable lighting already included. The 4-6 Person Outdoor Cube Sauna is crafted for a deeply relaxing experience every time you step inside.</p> <h3>Faster Heating, More Relaxing</h3> <p>Powered by our exclusive PrairieFire™ 9kW electric heater with included sauna stones, it reaches your ideal temperature 50% faster than standard 6kW heaters. Our outdoor sauna lets you spend less time waiting and more time enjoying consistent, powerful heat throughout every session.</p> <h3>Locks in Heat, Built for Any Season</h3> <p>Precision tongue-and-groove cedar construction paired with a heavy-duty 8mm tempered glass door locks in heat, eliminates cold spots, and maintains your ideal temperature from start to finish. The 29-gauge powder-coated galvanized steel roof provides all-weather protection for lasting durability year-round.</p> <h3>Spacious Seating and All-Natural Cedar</h3> <p>Designed with two solid cedar stacked benches, this outdoor sauna comfortably seats up to 6 people, giving plenty of space for shared sessions or a quiet moment on your own. The all-natural cedar interior adds an earthy aroma for enhanced calm.</p> <h3>Step Into Warmth</h3> <p>The integrated Wi-Fi control panel lets you preheat your sauna remotely from your phone, so it's completely warmed up before you even head outside. No cold starts, just step into perfect heat the moment you’re ready.</p> <h3>Extras Don’t Cost Extra</h3> <p>All sauna accessories come standard, including bucket, ladle, thermometer, and 2 exterior robe hooks for an authentic Finnish experience. Pour water over hot stones for bursts of soothing steam or enjoy traditional dry heat therapy. Dimmable LED lighting lets you set the perfect mood, whether you're reading or unwinding in the warmth.</p> <h3>Ready to Assemble and Fully Covered</h3> <p>Our traditional sauna kit comes with pre-cut and pre-drilled pieces that fit together seamlessly, plus guided BILT app instructions for an easier installation. It requires a dedicated 240V/50 amp electrical connection and professional electrician installation for optimal performance. Every component is backed by our comprehensive 5-year warranty—from the heater to the hardware, it's all protected.</p> <h3>Overall Dimensions</h3> <p>Measures 69.5" W x 76.2" D x 78.3" H and is designed for outdoor use, effortlessly complementing your backyard or patio to create your own private wellness space.</p> <h3>Professional Assembly &amp; Installation Requirements</h3> <p>Enjoy a smooth, worry-free setup with our professional assembly service. After your purchase, the assembly team will contact you within 3–7 days to begin scheduling, with your installation date coordinated around your product delivery. To ensure a seamless experience, your assembly area must be fully prepped prior to installation, and customers are responsible for obtaining any required approvals or permits from their local municipality or Homeowners Association (HOA), as regulations for outdoor structures may vary. Please note that assembly does not include electrical hookup—this sauna requires a dedicated 240V/50 amp connection, and installation by a licensed electrician is required for safe and optimal performance.</p>

Brand

<ul>  <li>High-powered PrairieFire™ 9kW electric heater, Wi-Fi control for remote preheating, bucket and ladle for steam - all included, no upgrades needed</li>  <li>Licensed Electrician Required: Professional installation needed for electrical setup</li>  <li>Requires 240V/50-amp electrical connection for optimal heating performance and safe operation</li>  <li>Tongue-and-groove cedar construction and an 8mm tempered glass door for superior insulation, plus a galvanized steel all-weather roof</li>  <li>Backed by our comprehensive 5-year warranty that covers every component, from heating elements to hardware and everything in between</li> </ul>

Specifications

<ul>
<li>High-powered PrairieFire™ 9kW electric heater, Wi-Fi control for remote preheating, bucket and ladle for steam - all included, no upgrades needed</li>
<li>Licensed Electrician Required: Professional installation needed for electrical setup</li>
<li>Requires 240V/50-amp electrical connection for optimal heating performance and safe operation</li>
<li>Tongue-and-groove cedar construction and an 8mm tempered glass door for superior insulation,      plus a galvanized steel all-weather roof</li>
<li>Backed by our comprehensive 5-year warranty that covers every component, from heating elements to hardware and everything in between</li>
</ul>

Type

Assembly

If you read the other reviews, then you will see and hear that this a great product.  From purchasing, shipping, receiving, and instructions were great.  Building it was great, you just have to make sure you read and look at the instructions.  
There are only 3 things that I say could be better.
1) The 120v light outlet should be incorporated into the control box.  I feel this is an oversight here.
2) There should be a locking mechanism for the door and not just magnets to hold the door closed.  This is fine in low wind locations or for people that do not have little kids. I think this is an oversight as well.
3) There needs to be a pan for water collection under the heater.  When we first used it, I sat on the lower seat and found the hot water splashes on your feet.  Yes it was hot!

Great product and great support

backyarddiscovery.com

We have had our Lennon sauna for 2 weeks now, and we have been in it almost every night!!!! My husband and I have an urban farm stay & farm experiences, and we wanted a sauna to not only help with our own health journey, but to also share with farm guests in the future. We loved the Lennon with the porch for its glass door so we could view the animals, the cedar looks and smells amazing, construction is solid! It took us about 10 hours to assemble, very clear instructions! The design is well thought out, and stunning in person. We've already had many farm guests asking about it, and commenting how nice it looks. We loved that the steel roof was included cause ours is outdoors. Has been heating up very quickly! Just overall impressed, and happy with our choice!

Farm & Sauna=Udderly Relaxing

I spent a lot of time shopping for a sauna when we were ready. Came across backyard discovery in my search and initially was skeptical, because there are a lot of companies that are "faceless" and once you buy the thing, you'll never get support again. I reached out and was pleasantly surprised to find people immediately available to help me, and also to find that this is a company that has been around a long time. Pulled the trigger on a REALLY well priced sauna. Showed up fast. I took my time building it, and everything went together super well. Especially happy with the included metal roof to protect the top from the elements. Heater is very nice, heats the sauna to 150 in like 15 mins right now. I oiled the entire thing on the exterior with paraffin oil, and did the benches too. We've been in it every night since I finished building it and we're very happy with the purchase, and with Backyard Discovery's service thus far.

Very Happy!

The Lennon outdoor sauna is super well-built and heats up way quicker than typical models. The cedar construction looks great, smells amazing, and holds heat really well, and the sturdy steel roof feels ready for any weather.
The Wi‑Fi control is a game changer—you can preheat it from your phone—plus the steam bucket, ladle, and dimmable lights make every session feel authentic and relaxing. Assembly is straightforward app, and the 5‑year warranty is a nice confidence boost.
Overall, it’s a premium, easy‑to‑use sauna that feels thoughtfully designed from top to bottom.

Great Vibes

I’ll be honest, I wanted something that felt solid—not one of those flimsy kits—and the Lennon 2–4 Person Sauna delivered. The thick cedar construction makes it feel really sturdy, like it’s built to last, not something I’ll be replacing in a couple years. Once it heats up, it holds temp well and just feels like a quality setup.

It also looks sharp. The modern, clean design and glass front give it a high-end feel without being over the top. It fits perfectly in the backyard and doesn’t look cheap at all. Overall, no regrets—solid build, great look, and does exactly what I wanted.

Good Looking

I’ve been really impressed with the Lennon 2–4 Person Sauna. It feels super sturdy—the thick cedar gives it a solid, well-built feel and you can tell it’s made to last. Once it’s heated up, it holds temperature really well too.

Honestly, it also just looks great in the backyard. The clean, modern design and glass front make it feel way more high-end than I expected. It’s one of those purchases that actually looks as good as it functions.

great addition

Virtual 3D instructions are the best thing ever invented !!!! Super easy to follow. Love the fact that it highlights all holes and small details so it makes installing easy

Amazing

BILT

I have owned this sauna for around 3 weeks and I love it. There is really only one issue that you might have of which I found in a review before I purchased it. I live in the pacific northwest so we get some rain as you can imagine and the roof design has one major flaw. The roof is built with steel that like most steel roofing has high and low points. The design has black cedar trim pieces that get attached to the front and back on the ends of the steel. Doing the build the way they direct you will not allow the water to run off and it just becomes a lake on top. I am a general contractor so I knew how to fix this and what I did is working well. First if you buy this sauna you should set it on a pad that has a lower area in the back of the sauna. This will allow the water to run off the back once you make the change I am suggesting. I left the trim off of my build and purchased some black 2” by 2” angle flashing from Home Depot. I cut the flashing into 2-5” pieces, 10-4” pieces and then one longer piece in the center. I started with the 5” pieces on the lowest area and the layered the 5 -4” pieces around the corner and finished with the long piece so every piece goes underneath the roof tin and is over the top of the piece below it. The caulk between the roof tin and the flashing. It only took about 15 minutes to do and literally doesn’t look any different.

Excellent sauna works amazingly well.

Have had the unit about 2 weeks and use it every day.  Its awesome!  The delivery was a little wonky, but they were nice. Came extremely well pack and organized. No missing or broken pieces.  Instructions were pretty good, I think we few things would be quicker to double up on a few steps.  The digital version is slightly different than the printed I noticed.  The seat bottom board is tricky to line up.
As others noted, the flashing is next to none.  While the rain stays out of the roof, it runs off the edge into the trim pieces which then runs inside the unit.  Not bad, but not great either. I intend to fix it like the other poster mentioned with black flashing from HD.
The quality is amazing for what you get.  It heats up at 45 degrees to 180 in about 15m or less.  I would say its not a 4 seater, more like 2 and 3 if you are friendly.   Be cool to have an upper seat bench and lower to take advantage of the heat higher and cooler lower.
The lights are great, although I wish it was built into the unit, even a separate button to turn on/off/dim.  The little remote I know is gonna get lost or fail.
The keypad takes a bit to get used., Its slow. Im on my second one and its better but not great.  They sent a second one out immediately when I asked a question, swapped and it seems better.   Im not sure if its related but the first keypad my wifi kept dropping and with the replacement it hasnt dropped once.  So Im not sure?
The app works great.  Again.. one touch to power on.. wait for it to respond.  Then timer.. wait.  and go!   Its a little learning curve, but fine.
I had an electrical question that was awkward.  It calls for 50amp circuit, but only requires 6awg wire. The book calls for 8awg.  My electrician was battling me.  We ended up with 8awg and it works fine.  You need the neutral wire to power the touch panel.   This was 14awg, I used 12awg.  I mean, if you are going to put a neutral in there to step down the power to the touch screen, might as well power the LED lights as well right?!  It cant be that much more to figure out that to simplify so you dont havent to run a separate 110v extension cord for the LED lights.

But really, end of the day, its great with some minor tweaks.  Get one and enjoy it!

Overall a super unit!

I purchased the 4-6 person Backyard Discovery Lennon Outdoor Cube Sauna and we couldn’t be happier. It has so many cool features and works great! The inside has plenty of room to stand up with two benches to sit down. The wood feels much more premium than other saunas in this price range. I am excited about how fast it warms up, which is great for spontaneous sauna sessions. Great investment!

Backyard Discovery 4-6 Person Cedar Outdoor Cube Sauna with Electric Heater & Glass Door

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