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Customer reviews for Backyard Discovery 4-6 Person Cedar Outdoor Cube Sauna with Electric Heater & Glass Door for
Backyard Discovery 4-6 Person Cedar Outdoor Cube Sauna with Electric Heater & Glass Door
4.7 out of 5 stars
stars
47 ratings47 reviews
  1. 5 stars83% (39)
  2. 4 stars13% (6)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star4% (2)

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Showing 11-20 of 47 reviews
Aug 31, 2026
Reviewer name: Tina
4 out of 5 stars
4 out of 5 stars review

Good sauna so far

Just got my sauna installed. I have used is once and it heated up good but it was already pretty warm out. I don't think it would fit 6 people in the box maybe 4 people. I love the depth of the benches. I could lay down comfortably in top or bottom bench. The ladle is nice can't burn yourself because its so long. Love that

Review from backyarddiscovery.com
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Sep 16, 2026
Reviewer name: noneed
5 out of 5 stars
5 out of 5 stars review

Very good unit. Only complaint is control interfac

I bought this a month ago and have used it consistently since then. Set up is very easy and they did a great job with the instructions. No missing parts, easy to follow, and the pre-drilled pilot holes were surprisingly accurate. As far as using it: Heats up very fast and maintains heat well; I love being able to use an app to turn it on from the house but the app (Tuya) is just awful. Perhaps they could use a different 3rd party app. Also the touchscreen interface that sits on the exterior is borderline useless. The touch is so non-responsive that its as if its broken. Also, you may want to put a cover over the screen so that it is not burned by the sun. Overall, still 5 stars. But this company needs to hire an interface designer next time they attempt a control unit..

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Sep 10, 2026
Reviewer name: HotJazz
5 out of 5 stars
5 out of 5 stars review

A personal retreat

I have looked forward to having a real sauna so that I could use it frequently and hopefully get the health benefits by using it with consistency. Having had the Lennon Cube delivered to me in mid August, I found a competent carpenter to help me assemble the unit which took just under seven hours, The electrical work was done in advance and I finally took my first sauna in late August. I have gotten into an every other day schedule and the unit is a delight. I look forward to years of use and benefit.

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Aug 25, 2026
Reviewer name: Jkf83
4 out of 5 stars
4 out of 5 stars review

Great value, but needs some TLC

Sauna gets hot fast and performs great for the price. However, you have to work around some quirks with the heater controls. 1. Temperature sensor is not calibrated quite right, and the heater emergency shut off will turn off the heater early if you set it too high (keep is under 176F if it's humid). 2. Arranging the rocks so they touch the metal heater enclosure also usually makes the shut off trigger, so I keep limited rocks only in the center of the heater. 3. If the main power switch isn't reset regularly, sometimes the heater never turns off at the correct temperature, and once again the emergency shut off switch triggers. You have to completely turn off the main power and restart it, which sucks if you're in the middle of a session. 4. It does tend to collect water, so I would turn it on regularly if you have lots of rain or humid weather to avoid mold growth. 5. Wood warps when it gets wet and dries. Sometimes the door doesn't quite fit. For the price, it's outstanding, but don't expect a seemless experience.

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Jul 20, 2026
Reviewer name: Mccluns1
5 out of 5 stars
5 out of 5 stars review

Game changer

I've had this sauna up and running for about 3 weeks now and absolutely love it. I decided to build it myself and had it completed in a little over 10 hours. It would have definitely went quicker with 2 people but it really wasn't bad at all and the instructions on the app are easy to follow. The only negative I've found was the heater would trip the overheat switch if I turned it on to heat to 194 but since switching to heating up to 176 and then increasing heat from there it has helped eliminating it overheating on the initial warmup. I would highly recommend this product as well as Backyard Discovery

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Review from backyarddiscovery.com
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Jul 9, 2026
Reviewer name: Tom
5 out of 5 stars
5 out of 5 stars review

Great sauna

I researched and shopped a long time before purchasing this sauna. I'm not a purist or a sauna snob, I wanted something I could use quickly and not cost the same as a car but with an acceptable quality. If you can't build your own from scratch or afford to hire a sauna architect, this is the best affordable sauna kit on the market. After making a foundation, (Theoretically you can build it directly on the ground, but I wouldn't advise it. At the very least concrete paving tiles would work.) it took a helper and me two days to get it up and running (I'm a retired electrician so I wired it myself, but I recommend you use a pro if you don't know your way around a schematic). It takes 20 minutes to heat up to 180F, which is hot enough for me. I especially like being able to turn it on from inside the house. It was a bit tricky getting the remote controls working, but I finally got it. The first picture shows it before I stained it, the second after I stained it.

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Jun 27, 2026
Reviewer name: Specialmildsauce
4 out of 5 stars
4 out of 5 stars review

Hot! Hot! Hot!

When choosing between a barrel or a cube sauna, I opted for the cube because the two-tiered bench seating really appealed to me. It is a completely different level of heat on the higher bench! Also, having recently burned my arm on the heater in a small barrel sauna, I wanted to make sure that there was some distance from the heater if we chose to fit a few people in there. You really easily could fit up to 6 adults in there, but two people with each person having an entire bench to lay on is a peak spa experience. I assembled the sauna myself which took several days at a few hours at a time. I am a contractor, so I have tools that made the process straightforward. I personally found the assembly difficulty level low, but long. The product is shipped in several boxes which are not filled in any kind of chronological order. Each piece or bag of hardware has a numerical code on it. The instructions state to lay out all of the material in order to make it easier to assemble- but even doing so, much of the assembly time is spent trying to identify each part and making sure its the correct one. Again- not difficult if you are familiar with assembling things, but tedious. The heat output is insane! I typically set it to 160/170 and could not imagine going above that- though you certainly can. As others have stated, the wifi connectivity/ Tuya control app are not the best. The touchscreen control panel on the unit is also pretty bad. I almost completely avoid using the control panel and use the app to turn it on, but if you are not >10ft away from it, it usually has a connection error. To me, it's not a super big deal, but it can get irritating. This is the only reason for 4/5 stars. It has only been a few weeks and we are using it almost every day. It heats up very quickly, and I'm anxious to see how it performs in the winter months.

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Jul 6, 2026
Reviewer name: sodakstays
5 out of 5 stars
5 out of 5 stars review

Good instructions - heats up quickly!

We ordered this sauna for our Airbnb property and it has been great so far! The setup took 12ish hours with two people. The instructions were helpful. I would recommend having a rope for putting it together. We didn't and it made it tricky to get everything aligned up top. The sauna heats up very quickly and we are happy with the purchase!

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Aug 25, 2026
Reviewer name: john16
5 out of 5 stars
5 out of 5 stars review

Love this Sauna

I bought the Lennon 2-4 person unit a month ago and have made sauna sessions a daily routine. I have loved my experience with our sauna unit and would recommend. We had on part missing from our kit upon arrival and BYD was quick to ship the replacement part within a couple of days.

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Apr 28, 2026
Reviewer name: Miles
5 out of 5 stars
5 out of 5 stars review

Very Happy!

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.

Review from backyarddiscovery.com
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