HOWE 8x12x7.5 FT Polycarbonate Greenhouse Double Swing Doors 4 Vents 5.2FT Added Wall Height, Walk-in Large Aluminum Greenhouse Sunroom Winter Greenhouse for Outdoors, Black
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 3 left in stock, order soon!
Arrives
Nov 18 – Nov 21
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Style: 8x12x7.5 FT
Material Type: Black
Features
- 11.2x7.5x7.4 FT Hobby Greenhouse & Sunroom: Recommended foundation size: 12x8.5 FT. 6mm Twin-wall translucent PC panels(UV Protection 99.99%)
- Walk-in Greenhouse for Better Ventilation: Keep both 2 swing doors (with door hook)and 4 four-level adjustable roof vents open can let in more fresh air while managing excess moisture for the backyard greenhouse.
- Solid Material & Foundation: Heavy duty greenhouse has a rust-resistant aluminum frame (1.5mm). 4 corner posts & 2 middle posts help bury the greenhouse deep in soil or concrete for extra stability. Wind Rating: 60 mph; Snow Load Capacity:18 psf
- Built-in Rainage Rain Collection Device: Garden Greenhouse update 4 corners have drainage holes and attached pipes to collect and drain water, convenient for connecting Rain Barrels and maximizing the use of water resources
- Installation Tip:3 DIY enthusiasts can erect this winter greenhouse kit in 12 hours. Please use a box to hold screws and small accessories in case of missing.
Color: Black
Brand: HOWE
Product Dimensions: 135"L x 91"W x 89"H
Item Weight: 180 Pounds
Cover Material: Polycarbonate (PC)
Frame Material: Aluminum
Nominal Wall Thickness: 6 mm
Number of Doors: 2
Number Of Vents: 4
Manufacturer: HOWE
Indoor/Outdoor Usage: Outdoor
Special Feature: Built-in Rainage Rain Collection Device
Product Dimensions: 135 x 91 x 89 inches
Item Weight: 180 pounds
Item model number: YPG204
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Nov 18 – Nov 21
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
Style: 8x10x7.5 FT
Material Type: Black
I was a little hesitant to order this because a lot of the reviews talked about the difficulty of putting it together, lack of detailed instructions, etc. I was also hesitant because typically, DIY structures don't always fit together correctly, there are missing pieces, and so on. I was wrong. This arrived two days earlier than the expected delivery date, which was the first positive. It's starting to get cold here so the sooner the better! After reading several reviews, I decided to follow some of the suggestions and inventory all the pieces upon arrival to prevent frustration down the road. Everything arrived in perfect condition (a few of the panels has bent corners, but nothing that affected the quality of the structure). Again, follow previous reviewers instructions, I laid all the pieces our, label up, for easy identification when putting it together. Now, the instructions COULD use some more details, however, if you just pay attention to the illustrations and notes, it's not too bad. There were a few steps that stumped me, but after playing around with the pieces fitting together, I was able to figure it all out. They recommend 2 days and 2 adults to build this, but I built it in a day and a half by myself. 38 yo male, 5'9, with minimal issues. There is not any part that couldn't be done alone, but if you have two people, it would obviously go quicker. Typically, I have issues at some point with holes not lining up, pieces not fitting together properly, and so on. I had ZERO issues with this kit. Every single hole lined up perfectly, every part went together as it should, there were no alignment issues with the structure itself, and it looks fantastic. I could not be more pleased with this kit. As I stated, I was hesitant, but wow. I would recommend it to anyone that has the space and ability to DIY. Would definitely buy again from this brand. I'm so impressed.
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Reviewed in the United States on October 21, 2024 by Amazon Customer
Style: 8x12x7.5 FT
Material Type: Black
Be aware that the actual dimensions of the greenhouse are 11.2x7.5x7.4, so if you are making a base on which to put the greenhouse, take this into consideration. The description said the greenhouse would withstand 65 mile an hour winds. We're skeptical about this because the "windows" are pretty lightweight. Whoever translated the directions into English forgot several steps in the process, so be prepared to take things apart and put them back together later on in the process. There weren't enough bolts provided for securing the base of the greenhouse, in our opinion. Be prepared to use more to secure the greenhouse. The roof windows have a lot to be desired, they're pretty flimsy in the wind. Also, do not assemble on a windy day! Other than that we are pleased with the greenhouse. There were no missing pieces. The video provided was also helpful in putting it together. Time will tell whether or not it stands up to the winds.
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Reviewed in the United States on June 18, 2025 by D. AtKinson D. AtKinson
Style: 8x10x7.5 FT
Material Type: Black
This is my first greenhouse so I have nothing to compare to but overall I think this is going to work just fine but I might have something more to say after winter. I am in NH gardening zone 5b and we can get a foot or more in any one snow storm. But it really seems pretty solid so I am optimistic. Assembly went pretty well as long as I read the directions! I had to go back and disassemble and reassemble a few things but that’s on me. I dug out an 8 x 10 foot area and put down cinder blocks for a foundation followed by double 2x6s all around and then built on top of this. The only assembly suggestion I have is to fit the doors to the frame as early as possible. My doors bind a little and I probably could have dealt with it if I did an early fit-up. Probably have to resort to some filing now. I used silicon calking and the roof does not leak except just a bit around the windows. On a windy day one of the windows completely flew off the roof. No damage. I put it back and hung a weight to slow down the reaction to wind (2ft long 2x4). Parts were all well marked and the assembly instructions had been updated with some correction tape. I really don’t have any complaints.
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Reviewed in the United States on November 21, 2024 by Amazon Customer
Style: 8x12x7.5 FT
Material Type: Black
It is a must to have a solid foundation for mounting the greenhouse. We used pressure treated lumber over cinder blocks. We dug holes in the ground, added cement and J-bolts. We filled the interior floor with pavers. The kit did not have any missing parts. The instructions are pictures and it was difficult at times to decide which way a part goes. We first layed out all the parts from the check list. This organization was an important time saver when putting together this giant puzzle. We love the look and function of this greenhouse. We added a mist system, water and electric.$$$ extra.
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Reviewed in the United States on February 26, 2025 by B.G.
Style: 8x10x7.5 FT
Material Type: Black
Was a pain to build. Lots of parts and the illustrations are not great. However, I had help from a friend who is intuitive to these things. It's now built and served the purpose. One item to note: The doors are only 5.5ft high. Instead of the tall pointed doors like in the greenhouses they sell at Costco which gives you an extra foot and a half of headspace, at the entry/exit point. It must be on flat even ground or the doors will scrape the ground when you open/close them
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Reviewed in the United States on October 27, 2025 by DK
Style: 8x12x7.5 FT
Material Type: Black
I was actually prepared to give this product a 4 simply because the greenhouse itself is excellent quality, but the instructions are terrible. However, due to a prolonged illness, my greenhouse was out of warranty by the time I began assembling it. One of my parts is missing (J56L), and their customer service informed me that since it's out of warranty, they do not offer replacement parts for me to buy. The greenhouse will function just fine, but that part goes on the front, and it will be a constant reminder to me of their disappointing lack of customer service. I guess I need to buy a roll of black duct tape...
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Reviewed in the United States on August 29, 2025 by RLyons RLyons