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Description
Cozy Heat Thru-Wall 12kw Sauna HeaterA unique wood burning sauna stove made in Estonia for smaller saunas. Wood fired sauna stoves are best for mild and long lasting heat, designed for pouring water over hot stones to create your perfect amount of steam. Unique Through the Wall Design Wood burning Steel construction Black color Mild and long lasting heat Floor mount Thru Wall German BIMSCH certificate Smoke gases are 6x cleaner Stove utilizes 25% 40% less fuel than comparable sauna
A unique wood-burning sauna stove made in Estonia for smaller saunas. Wood-fired sauna stoves are best for mild and long-lasting heat, designed for pouring water over hot stones to create your perfect amount of steam.
Unique Through-the-Wall Design
Wood-burning
Steel construction
Black color
Mild and long-lasting heat
Floor mount/Thru-Wall
German BIMSCH certificate
Smoke gases are 6x cleaner
Stove utilizes 25%-40% less fuel than comparable sauna stoves
Boasts minimal safety distances
Designed and engineered in Estonia
2-Year Warranty
Sauna room sizes:
12kW - 210 to 423 cu.ft.
Stone Requirements:
12kW - minimum of 265lbs of stones
Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply).
Package Contents
Outer frame of the heater
Chimney pipe
Heater body
Cleaning hatch
Heater door with glass
Ash box
Installation and operation manual
2-Year Warranty
Required For Operation
Split Faced OR Round Stones
Optional Accessories
WHP1000500M-PKG, WHP1000500-PKG, AC4000
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 2382 reviews
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Product Reviews
★★★★★ 5
Everyone likes the extra outlets and spacing!
Size: 6ft, Color: Yellow
I have a livestream desk shared by a team where we have lots of equipment. We were always running out of outlets and the team had nothing but praise when I installed this 16 outlet replacement. The spacing is perfect for a variety of bricks, plugs and adapters of all sizes. It's metal construction seems very durable and it's easily to mount it solidly to the wall with the wings at each end. The power cord is sufficiently beefy and lighted switch at one end a plus. Overall, we're very happy with its design, capability and value. The extra praise for doing a simple replacement was nice too!
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Heavy-Duty Power for Any Workshop or Garage
Size: 6ft, Color: Yellow
I recently upgraded my workspace with the JUNNUJ 16-Outlet Heavy Duty Power Strip, and it has completely transformed how I manage tools and electronics in my garage.
Why It Stands Out:
Ample Outlets
With 16 wide-spaced outlets, it accommodates bulky plugs, adapters, and chargers without blocking neighboring sockets. Perfect for workshops or garages where multiple tools run simultaneously.
Durable Construction
The full metal housing gives it an industrial-grade feel, and it can handle heavy-duty equipment without bending or warping. Unlike plastic strips, this one feels built to last.
Safety First
Equipped with surge protection and grounded outlets, it keeps both tools and electronics safe. I feel confident plugging in expensive power tools or charging devices without worrying about power spikes.
Practical Length
The long cord allows me to reach multiple corners of my garage without needing extension cords, reducing clutter and tripping hazards.
Professional-Grade Design
Wide-spaced, high-capacity, and metal-built — this is clearly designed for industrial or garage use, not just casual household tasks. It’s heavy-duty without being overcomplicated.
Minor Considerations:
It’s larger and heavier than standard power strips, so it needs a stable mounting spot or surface.
Price is higher than a typical household strip, but for the durability and outlet capacity, it’s worth it.
Bottom Line:
The JUNNUJ 16-Outlet Heavy Duty Power Strip is a powerhouse for garages, workshops, or any space with multiple high-demand devices. Durable, safe, and highly practical, it’s a must-have for anyone who needs reliable industrial-grade power management.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Reliable and affordable
Size: 6ft, Color: Yellow
Great electric plug extension
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Works great
Size: 6ft, Color: Silver
Just what I needed for my Dept 56 Christmas display. In past years, it's been a challenge to find enough open plugs for my display. This power strip completely solved that problem. I wish I had found this sooner.
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Reviewed in the United States on April 23, 2026
★★★★★ 4
Better than expected - big office cleanup
Size: 6ft, Color: Yellow, Size: 6ft, Color: Yellow
I got this power strip because it seemed like the most plausible one available, notwithstanding the reviews which particularly complained about it being prone to overheating. I certainly didn't want to burn down my home, so I tested it pretty thoroughly before I got anywhere near installing it.
The power strip arrived exactly as claimed. It is indeed 45 inches long with sixteen outlets. The power cord is substantial-feeling, and feels like it's probably 14 AWG, or possibly #12 (Pic 1), and was the length I expected (6' in my case). The mounting brackets are sufficient to mount the power strip, but only at the ends, and they can't be concealed. This means that things don't end up as solid as one would like, and if you really care about aesthetics you'll end up being offended, but hey this is a power strip, and if you didn't have it the power cord mess would be way uglier.
The outlets themselves are spaced out well enough that there's enough room to put in fairly wide wall wart transformers, but not those which have the plug pins configured such that the transformer has to point sideways. This means that if you want to be able to fill all of the slots, you can only put one of these in, and it has to go at the right-hand end. If you locate it on the left then it covers the switch. In my case, I filled the strip up completely, with one sideways transformer at the right hand end, and I still have many more plugs which won't go, but I've at least managed to improve my cable management a fair bit.
Before I installed it, I tested it by boiling an electric kettle using the outlet which is the farthest from the switch (Pic 2). This is the most stressful way to test things, since is stresses all of the wiring and intermediate outlets before it even gets to the one I was using. The kettle draws 11.6 Amps, so about 1400W (though it's amps that actually matter). I then watched the thermal behaviour of the power strip as it worked. As can be seen the first thermograph, Pic 3, the power strip itself stayed cool, indeed barely above ambient. The power meter and power cord going to the kettle are on the right. Pic 4 shows a detail of the switch end of the power strip. The switch never heated to above 77F, which was again barely above ambient. Pic 5 shows a detail of the power meter shown in Pic 2. As can be easily seen, the power cord for the kettle warms up a bit, reaching 100F, but this is clearly the kettle's power cord and plug warming up, not the power strip itself. Pic 6 shows a detail of the unused outlets on the strip. These all warmed up a little, but never got over 83F. To me, this is negligible.
As a result of this testing, I had no problems with going ahead and installing the power strip. I knew I'd be filling the power strip, but just adding up the devices I planned to plug in (two desktops, four screens, and numerous other devices), I knew that I wouldn't need more than about 4.5 amps, so I have at least 2.6X headroom. Pic 7 shows a part of the power strip as installed - I couldn't get far enough back to show all of it. Pic 8 is a thermograph of the same, with the power strip running across the middle of the picture. The how spots on the power strip are all transformers - clearly not very efficient, but not actually more than warm, and not the power strip's fault. By contrast, the really hot items visible are a DSL router on the far right, and a VOIP phone device lower on the right. Thus, I conclude that there's nothing untoward with the power strip. Lots of the devices I use are inefficient and/or run fairly hot, but if my house burns down, it doesn't look like it's going to be because of this power strip.
All told, this product seems to be very good value for something that actually cleans up my life and has this many outlets. It exceeded my expectations, particularly since my expectations had been lowered by some of the other reviews. It would certainly have been better (for me) had it been longer and with more, and more widely-spaced, outlets, but I can't fault them for making what they made, and their claims seem to have been accurate. Still, the construction is not terribly sturdy and the mounting brackets should have been better thought out.
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Reviewed in the United States on February 2, 2026