*Last Updated: February 2024

The 5 Best Polycarbonate Greenhouses [Ranked]

Polycarbonate Greenhouses

If you are looking for an affordable but rugged and longlasting greenhouse, a polycarbonate greenhouse might be a good choice for you.

Tough and light-weight, UV-treated polycarbonate is an advanced, and top quality paneling material for garden greenhouses. It's easily obtainable in various thicknesses.

Polycarbonate greenhouses provide you the clearness of glass, but with extra ruggedness and specialized insulation properties.

Polycarbonate panelings possess a fairly lengthy life-span of fifteen years or even longer in most areas- and you can always swap out the panels should they become defective.

Let's take a look at 5 of the best-selling polycarbonate greenhouses on the market today. 

Contents

Comparing Them

SaleBestseller No. 1
AMERLIFE 6x12 FT Polycarbonate Greenhouse Lockable Swing Door 2 Vent Window Walk-in Hobby Greenhouse Aluminum for Outdoor Hot House Garden Patio Backyard, Silver
  • 6x12 Hybrid Greenhouse: Create a space where you can raise seedlings or heat-loving grow crops. Crystal-clear shatterproof PC wall panels combine Twin-wall translucent polycarbonate roof panels, balancing light exposure and preventing plant sunburn
Bestseller No. 2
Jocisland 14x9.5x9 FT Polycarbonate Greenhouse- 6 FT Wall Height Outdoor Aluminum Greenhouses with 2 Ventilation and Rain Gutter, Double Doors with Hook, Walk-in Greenhouse for Backyard Garden
  • 【Versatile Space】850 cu. Ft. to create a perfect warm environment for your personal plants. Transform your polycarbonate greenhouse into a functional living space by adding furniture. Exclusive design patent & a spear-like top discourages bird perching.
Bestseller No. 3
VanAcc 6x16 FT Hybrid Polycarbonate Greenhouse Hinged Door with 4 Vent Window LockableAluminum Walk-in Hobby Greenhouse Sun House for Outdoor Garden Backyard, Silver
  • 6x16 Hybrid Greenhouse: Create a space where you can raise seedlings or heat-loving grow crops. Twin-wall translucent polycarbonate roof panels combine Crystal-clear shatterproof PC wall panels, balancing light exposure and preventing plant sunburn
SaleBestseller No. 4
Outsunny 4' L x 6' W Walk-in Polycarbonate Greenhouse with Roof Vent for Ventilation & Rain Gutter, Hobby Greenhouse for Winter
  • Winter-Grade Outdoor Plant Growth: Protect plants from cold, wind, rain, and wild animals. Control heat and humidity. Let in 90% of light, and ultraviolet rays stop sun damage. This 0.25" thick polycarbonate wall walk-in greenhouse gives you a personal plant nursery for your garden. If it's green, you can house it: vegetables, herbs, flowers, or tropical saplings. Stay in the soil all year.
Bestseller No. 5
KELRIA 6x8 FT Hybrid Polycarbonate Greenhouse with Lockable Hinged Door, Sliding Door and 2 Vent Window, Walk-in Hobby Greenhouse Aluminum Hot House for Outdoor Garden Backyard, Silver
  • 【Premium Panels】Virtually unbreakable 4 mm twin-wall polycarbonate, The panels allow up to 70% light transmission for optimal plant growth while blocking out over 99.9% of harmful UV rays. perfectly sized to fit in the backyard, terrace, garden, this greenhouse is ideal for the casual gardener or flower enthusiast for growing a wide variety of vegetables,plants, flowers and herbs, offering you plenty of space for plant preparation and growth.

Building a Monticello Greenhouse

Why we like polycarbonate greenhouses

Polycarbonate greenhouses are really trending nowadays. There are some really great resources for helping you make a decision online if you are thinking of purchasing them.

Polycarbonate is a highly rigid plastic which provides some of the best features of glass, but is tougher and impact resistant. The polycarbonate paneling that structures the greenhouses walls provides durable strength and supreme heat retention properties.

The inside of the greenhouses is more effectively insulated, which is obviously conducive to plant growth. Besides this heat retention and insulative property, the multi-wall polycarbonate paneling provides diffuse light that is designed to increase plant growth rates.

The Benefits Of polycarbonate greenhouse paneling

What are customers saying?

  • One user who purchased the MIC polycarbonate and aluminum greenhouse complained that high winds actually bent the structure so that he actually had to reinforce it with plywood.
  • Some of the cheaper greenhouses that are in high wind areas will need to be reinforced with plywood or PVC pipe, especially if they are kept out during the winter and not stored.
  • Another DIY fix for the polycarbonate hot houses is to do some silicone caulking. One reviewer even caulked all of the panels and panes inside of the greenhouse to ensure that the rain did not seep in, and heat did not escape.
  • Another important purchasing consideration is to determine whether your greenhouse comes with shelving or not.
  • Some users chose to place their greenhouses on wood decks where they could easily anchor them.
  • People who bought the Palram Nature Series Hybrid Hobby Greenhouse were pleasantly surprised at how durable it was even when confronting 50 mile-per-hour Oklahoma winds- even with an automatic vent opener.
  • Depending on the greenhouse you choose, sometimes the instructions are not great quality.
  • Most people who endeavor to operate their own greenhouse usually have some commonsense handicraft capabilities and can figure out how to assemble them without too much trouble. Though it is important to get another person to help you out when erecting them.
  • Another reviewer writes of their Paltam polycarbonate greenhouse that it is relatively sturdy and that it warms up quickly with the sunrise, but they do have to open their vent manually at night to help their greenhouse crops grow.
  • Some interesting features that can be included with these styles of green houses are rain gutters, roof vents, magnetic catching doors, aluminum reinforced frames, snow load kits, rust resistant coating as well as the protection of a strong shatter-resistant polymer.
  • People who purchased the Grandiose Elite polycarbonate greenhouse were happy that the packaging was intuitively designed to help the assembly process- there were five boxes that were numbered and each of the instruction steps corresponded so that it was pretty easy to understand how to linearly construct their greenhouse.

Summing Up

When choosing a greenhouse, users were pretty surprised at how cheap and long-lasting they have become- especially a cold frame greenhouse. There's so many more styles nowadays than there used today which means that any backyard hobbyist and horticulturalist can find a design that works for them in their own backyard.

One reason that people have begun returning to backyard garden cultivation with greenhouses is concerned over food security. As the cost of food has risen and the possibility of global calamities seemingly more probable day by day, having a greenhouse with seedlings, tomatoes, and all manner of other vegetables is a great way to protect you and your family and increase their food security.

As well, climate change concerns have made outdoor growing conditions more erratic which is an incentive to purchase a polycarbonate greenhouse and control the environment artificially. Some of the benefits of greenhouse gardening include extending the growing season; having access to fresh vegetables year-round; an ability to protect seed germination from inclement weather; protection of seedlings from insects, parasites and pests; protection of sprouts and seedlings from pesky birds.

Controlling the greenhouse environment can save money on plants as well as enabling you to grow plants in containers or in the ground directly.

If you are considering purchasing a polycarbonate greenhouse, Do some extensive reading prior to purchase and figure out which model is best for you. Important to remember that some greenhouses will require structural reinforcement as well as caulking to keep them in good standing for the long-term.


    The Top 5 Team
     

    We are a team of product researchers that specializes in assembling comprehensive buying guides. Our team has a variety of backgrounds, with a mixture of soft and hard sciences represented. Check out our About page to read more about our reviews and editorial process.

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