8x14FT Walk-in Greenhouse with Hygrometer,Polycarbonate Green House with UV Protection, Heavy Duty Greenhouse with Windproof Aluminum Frame, Roof Vent & Quick-Install Design
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Availability:
Only 2 left in stock, order soon!
Arrives
May 26 – May 28
Size: 8x14 FT with thermometers
Features
- Durable & Stable Structure-This polycarbonate greenhouse is built with a high-quality reinforced aluminum alloy frame and strengthened corners for excellent stability. Designed to handle tough outdoor conditions like strong winds, heavy rain, and snow. For added strength, you can seal the panel gaps with silicone (not included), making it a reliable green house for year-round use
- UV-Resistant Polycarbonate Panels-This polycarbonate greenhouse features 4mm thick, 580g double-wall panels that are both clear and impact-resistant. They let in plenty of light while blocking harmful UV rayshelping to maintain a stable interior temperature and creating an ideal environment for healthy plant growth in your green house
- Easy Assembly-Our greenhouses for outdoors come with clearly labeled parts, detailed instructions, and the necessary tools for quick setup. With a helping hand and by following the manual, you can easily build a sturdy green house for your backyard garden
- Great Ventilation & Spacious Design-This greenhouse includes adjustable roof vents and a lockable door to promote airflow and maintain optimal temperature. The roomy interior offers plenty of space for arranging plants, ensuring they grow in a well-ventilated and organized setting
- All-Season Protection-Designed for year-round use, this outdoor greenhouse shields plants from harsh elements. Its UV protection panels and ventilation system help regulate temperature, while the heavy-duty frame protects your garden from wind, snow, and rain
Color: Black
Brand: Sylviera
Product Dimensions: 44"L x 66"W x 76"H
Cover Material: Polycarbonate (PC)
Frame Material: Aluminum
Brand Name: Sylviera
Manufacturer: Sylviera
UPC: 783430957761
Manufacturer Part Number: 01
Model Number: Green House
Unit Count: 685 Count
Item Dimensions L x W x H: 44"L x 66"W x 76"H
Size: 8x14 FT with thermometers
Number Of Vents: 2
Special Features: Easy to Install, Quick Assemble Design, Excellent Ventilation and Roomy Layout, Heavy Duty, High Durability and Stable Structure, UV-Resistant Polycarbonate Panels
Cover Material: Polycarbonate (PC)
Frame Material: Aluminum
Color: Black
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
May 26 – May 28
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 8x14 FT with thermometers
This is a very nice little greenhouse for the money. Not perfect , but for the money, pretty nice. I ordered the 8x14 and kind of wish I had ordered the 10x12. The main reason for that is the 10x12 is taller. For the 8x14, I ended up framing pressure treated 2x6s on end for the greenhouse to sit on for an additional 11 inches of height. This also means building steps on the inside and outside at the door. Which I'll get to eventually. So the bit extra for the 10x12 greenhouse is absolutely worth it, because it cost me more in materials to raise it and build steps than the price difference between them. With the additional 11in in height, I'm able to stand comfortably at the edge of the roof (lowest point), and I'm 5'10". And that's including several inches of mulch on the floor. Having said that, I'm very pleased with it. It's fairly sturdy and feels like it could withstand a storm. Maybe not a midwestern storm, but here in WV, I think it'll do fine. The window panes are a bit flemsy and cheap feeling, but again, for the money, I'm pretty happy with it. And, to be honest, I think the way they designed their panels will likely offer more insulation than solid poly panels or glass. So, the way the windows are designed does seem to offer functionality, even if they do feel a bit cheap. Also, the roof vents need a rubber band to keep the prop arms attached. The wind picks them up, unhooks them, and then they fall closed. So I've got rubber bands holding the prop arm onto the screw that they use to hook it. Now, some have said the instructions are confusing and it takes forever to build. Well, sort of. Some things could certainly be depicted better. But if you take your time and study each drawing closely, and study the parts closely to make sure you're installing it correctly, you'll be fine. The issues are mainly in two areas. The central beam that makes up the roof centerline could have been drawn a little better. And the last few pages of instructions have some errors, such as not listing the quantity of parts correctly and not noting the parts in the drawing correctly. It's easy enough to figure out, but it was a little confusing at first. Just think through it. It makes sense as long as you're aware there's some mistakes in the instructions and can sort of think logically about where things should go and how they should attach. As far as issues, the way the panels slide in can be a bit tricky. It takes two people. One inside and one outside. If a panel feels like it isn't fitting, or if the beams between the panels aren't connecting or have a gap, start loosening screws on the frame to let everything settle where it wants to instead of forcing it. And some of the window panels had crushed or bent edges which made things difficult. But they weren't so damaged that it was worth returning. For the most part you can't even tell, it just made getting the panels fit into place a bit more difficult. Also, the door frame isn't perfectly square. I tried adjusting locations of the frame with screws, but couldn't get the door squared. Probably the base not being perfectly level or square, but some sort of adjustment or shims around the door would have been nice. It does close though so not a big deal. It just rubs in the top right corner when it closes. Time to build... Well, that depends on how many mistakes you make. For the most part, as long as you're paying attention and studying the drawings closely, it pretty much only goes together one way and it's obvious when you have the wrong part or putting something in the wrong direction. That said, I did make a few mistakes that cost me some time. Like on the ridge beam at the top, I didn't use the metal plates under the bolts and nuts at the joints because I didn't notice them in the drawing, and getting the screws back out without that plate in there is difficult. That cost me 2 hrs. Mainly because I had to drill out a couple bolts and go to the hardware store for more. So study the drawings closely 😂 But, overall, even including 2-3 hours worth of mistakes, and some breaks because it was hot, etc, I started at 9am, and finished at 7pm. And that's just the greenhouse, not any of the leveling of the ground, or building a base to elevate it, or any of that. All that was done on the previous weekend. So, expect a full day of building just the greenhouse, not including any time to prepare the site to build on. Then of course time to shovel in mulch or whatever you're going to use for a floor. Plus plumbing if you choose to have it. Another note, carefully use a razor blade to remove the film from the roof vent window panels. The frames are riveted so you can't take it apart, so when you peel the film off it just tears at the edges leaving torn bits stuck under the metal frame. Run a razor blade down the edges of the metal frame, then peel off the film. Just don't cut the window. For space, 8x14 isn't as big as you'd think it is. It's plenty for what we're going to use it for, but I think 10x14 would be a better size. Actually, 10x14 with an 8 or 9 ft roof peak would be ideal. Things you'll need... Well, I had to dig a 100ft trench to lay a pex water line to have a garden hose faucet, water timer, water filters, misting nozzle system, etc. And to use it year round, we're going to be adding a heat pump. Which will mean another 100ft trench for laying a 10/2 cable w/ conduit to get power to the heat pump. But it does need cooled in the summer, and heated in the winter. Obviously that depends on where you live, but in WV our summers are in the 90s and winters are usually mild to cold (highs in the 20s to 40s, and lows in the teens, with occasional extreme lows of -30° (polar vortex). All in all, very pleased with the purchase. If I was going to do it again, I might actually save up and frame my own out of timber and use glass windows. Maybe a brick wall at the end. Just for the aesthetic of it. But the cost would be massively more expensive. So again, for the money, this is fantastic. If you're on a budget and a the expense of a scratch build is out of reach, whether because of money or lack of skill in building from-scratch construction, or just don't want to devote a bunch of money to it, this is a very reasonably priced option that you'll be pleased with. It doesn't take much skill, just study each drawing closely and take your time. Do that and you'll be fine. It is actually pretty logically designed so even in the places where the drawings don't make much sense or there's errors in the drawings, it still doesn't take much to figure out what needs done. Forgive the mess in the photos. Haven't cleaned up the trash, or the tools, or finished landscaping around the greenhouse yet. I was exhausted when I finished it, and my wife and I tore up a pretty decent sized section of our yard leveling the site and digging the trench. (well, more of a hill than a yard) But it's built. And I hurt everywhere 😂 Update: I just ordered a 12" solar powered exhaust fan. This morning it was 68° outside at 10am, and due to our property being on the West side of a small mountain, the sun didn't even start hitting the greenhouse until about 9am, but by 10am the greenhouse was already 93°. That was with the roof vents open. And our plants need it to stay under 85°. I propped the door open which kept it under 90° during the hot part of the day, but it definitely needs an exhaust fan. And probably a 70% shade tarp and an AC in the summer. It collects heat very well. I was worried that just having plastic windows without much sealing around them that there'd be an issue with heat escaping. That does not appear to be the case. I've also ordered a 1500w greenhouse heater for winter, so I'll update this review again after I see how it does during the cold months. But my guess is that it won't take much heating to keep it above 40°
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Reviewed in the United States on September 18, 2025 by JM
Size: 6x4 FT with thermometers
I absolutely love this greenhouse! The aluminum frame feels incredibly strong and holds up well against the wind, giving me confidence that it will last through the seasons. The polycarbonate panels are fantastic — they let in plenty of natural light, which my plants really need to grow healthy and strong. I also really appreciate the vented roof window; it provides great airflow and helps keep the temperature from getting too high on sunny days. The quick-installation design made the whole setup process surprisingly easy — I didn't struggle with complicated steps or missing parts. This greenhouse is absolutely perfect for a small garden like mine. Since I put it up, my plants have been thriving like never before. Highly recommended!
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Reviewed in the United States on April 21, 2026 by Manish
Size: 6x4 FT with thermometers
Great greenhouse. Instructions were very detailed and fairly easy to follow. Great for keeping your plants from the winter cold but plants will die in summer months because 1 roof window is not enough to ventilation to keep plants cool.
Reviewed in the United States on April 16, 2026 by sal madrigal
Size: 6x8 FT with thermometers
I spent nearly a month carefully comparing options before finally choosing this greenhouse, and I have to say, the wait was worth it. After installation, I felt inspired to write this review—especially to highlight the instruction manual, which is truly exceptional. It's honestly the most thoughtfully designed manual I've ever encountered. First, let's talk about the installation process. My husband and I took on the project ourselves—neither of us are professionals, and we're usually arguing over IKEA furniture assembly. But with this 6x8 greenhouse, we barely raised our voices. Every page of the manual clearly labeled each step and identified the necessary parts, with crisp component numbers. What's more, it even highlighted potential pitfalls with enlarged diagrams—saving us from at least three common mistakes. The quality of the materials exceeded my expectations. The aluminum feels sturdy and substantial, with no rough edges and perfectly flush joints. When it came to installing the roof panels, I expected a fight, but they slid into place effortlessly—thanks to precise molding. The doors and windows operate smoothly, with seals perfectly aligned. After we finished, we hosed it down, and not a single drop leaked through. Another feature I appreciated was the packaging. All screws, washers, and connectors came in separate labeled bags corresponding to each step. No more frantic rummaging for parts or dumping everything on the floor. Unpacking was a breeze, and if I paused mid-assembly, I could easily resume without hunting through the manual again. Honestly, I was initially worried that this DIY project might lead to instability or leaks. But after completing it, I realize those fears were unfounded. Considering the price point, the combination of precise instructions and high-quality materials offers incredible value. This greenhouse truly exceeded my expectations in every way.
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Reviewed in the United States on February 22, 2026 by Brandon
Size: 10x12 FT with thermometers
Trash! Do Not Buy! Instructions suck, poor panel locking mechanisms, impossible to get square and even all around, requires 2-3 people minimum, takes days to build(even for the handy), not resistant to wind, cheap assembly hardware, the list goes on. Additionally, the reviews are not specific to size options, so any 5 star reviews for the smallest size count as 5 star reviews for the largest size, which is misleading. Definitely not worth the money, expensive shipping in addition to the product price regardless of prime membership. Thought several times mid assembly about taking down and returning, but past short return window. Just to give you an idea of how bad it is, the instructions say, for the tools you need section, that you need a "toolbox". Yes, that is literally on the list of what you need... a toolbox, listed along with the actual tools... Save yourself the time and money, and Don't buy this Trash.
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Reviewed in the United States on April 26, 2026 by deanna beaver