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Greenhouse in a backyard with the text: Best American Made Greenhouse

Best American Made Greenhouse

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In your quest for the best American made greenhouse, the MONT 8×20 greenhouse is one of the best largest greenhouse by Rivertone Industries as well, epitomizing horticultural innovation for budget-conscious gardeners.

Its exceptional affordability makes it available to greenhouse enthusiasts of all skill levels, and its clever expandability ensures that neither space nor a planting schedule will ever limit your gardening ambitions.

Whether you’re a seasoned gardener or a budding enthusiast, this large glass greenhouse is your gateway to thriving greenery.

Join us at Greenhouse Emporium as we delve deeper into the world of the MONT 8×20 Greenhouse, dissecting its features and highlighting why it’s the epitome of American craftsmanship in the realm of horticulture.

Let’s get started!

Classic American Made Greenhouses – MONT 8×20 Greenhouse

For homeowners who prioritize quality and affordability in their quest for an American-made greenhouse, the MONT 8×20 Greenhouse from Greenhouse Emporium offers an ideal solution.

If you’re just starting your greenhouse journey or seeking budget-friendly yet reliable types of greenhouse structures like our hobby greenhouses, the MONT 8×20 Greenhouse is designed to meet your needs without breaking the bank.

commercial grade greenhouse


The MONT 8×20 Greenhouse offers an optimal size that strikes a harmonious balance between spaciousness and manageability.

This carefully designed dimension is a key selling point, catering to homeowners who seek a practical and functional greenhouse without the burden of excessive space requirements.

For those who value their outdoor real estate, this greenhouse offers numerous benefits, such as:

  • Its size allows you to harness the full potential of gardening without overwhelming your property
  • It’s neither too small to restrict your ambitions nor too large to dominate your land

This balance ensures that you can cultivate a thriving garden without compromising the aesthetics and functionality of your outdoor space.

Whether you have a compact backyard or a modest garden area, the MONT 8×20 Greenhouse provides the perfect canvas for your horticultural aspirations.

When we trialed this product, we found that it maximizes your gardening potential while maintaining the integrity of your property, making it an excellent choice for those who want to nurture their green thumb without compromise.


The MONT 8×20 Greenhouse epitomizes utilitarian design, making it a standout choice for gardening enthusiasts who prioritize functionality and efficiency.

While it may not be a space for leisurely lounging, it excels in delivering precisely what it promises: an optimal environment for nurturing plants and extending your growing seasons.

This greenhouse is a sanctuary for your green endeavors, making it a suitable cold greenhouse as well. Its design is purpose-built to create an ideal microclimate, ensuring that your plants thrive year-round.

With features like excellent ventilation, customizable greenhouse shelves and benches, and ample natural light, it provides the perfect conditions for your flora to flourish.

Our findings show that you can grow a number of diverse fruits and vegetables in the MONT 8×20 that also thrive in a hothouse greenhouse, like:

  • tomatoes
  • purple caulifower
  • cucumbers
  • pineapples

With our Grower’s Edition of the MONT 8×20, you can even grow cannabis in this greenhouse!

What sets the MONT 8×20 apart is its unwavering commitment to the core purpose of a greenhouse: enabling exceptional gardening.

Through our practical knowledge, it’s the preferred choice for those who want to maximize their yields, experiment with exotic plants, or simply revel in the joy of successful cultivation.

In the world of gardening, where results matter most, this greenhouse is a testament to practicality and efficacy.

american made greenhouses

General Specifications

The MONT 8×20 Greenhouse, available at Greenhouse Emporium, is renowned for its robustness and adaptability, providing a nurturing environment for your plants throughout various seasons.

Its heavy-duty frame, constructed with high-quality extruded aluminum, is designed to withstand high wind and snow loads, ensuring stability in diverse weather conditions.

When it comes to the currently trending ‘polycarbonate vs polyethylene greenhouse‘ debate, the MONT 8×20’s 8mm twin-wall polycarbonate glazing on the roof and walls takes the win.

It offers gardening enthusiasts like yourself optimal temperature regulation, helping with keeping the interior cooler in summer and warmer in winter to promote an efficient growing environment.

Notably, the MONT Greenhouse is expandable in 4-foot sections, allowing gardeners to enlarge their growing space as needed without investing in a new structure. It also contains additional features and green house accessories to enhance its functionality and ease of use, like:

  • an automatic roof vent opener
  • a lockable hinged double door
  • an integrated rainwater gutter system

Moreover, it comes with a 10-year warranty, covering the frame and polycarbonate sidewalls and roof, affirming its durability and quality.


Riverstone Industries in the USA created the MONT 8-20 Greenhouse, a strong and long-lasting greenhouse without glass that showcases top-notch American craftsmanship.

Our investigation demonstrated that it utilizes 85 lbs. more aluminum than average imported greenhouses, providing a sturdier frame capable of withstanding harsh weather conditions.

This greenhouse is made with the following materials:

  • 8mm twin-wall polycarbonate for both roofing and walls to ensure optimal thermal regulation to facilitate efficient plant growth across seasons
  • High-impact, US grade UV-stable polycarbonate glazing and extruded aluminum (which is stronger and thicker than others like it on the international market)

The MONT Greenhouse stands out for having the strongest 10-year warranty in the industry, which covers the frame, polycarbonate sidewalls, and roof. This ensures its durability and gives gardeners peace of mind.

Investing in the MONT 8×20 Greenhouse means you’re choosing some of the best indoor greenhouse kits that’s budget-friendly, high-quality, and functionally rich American-made greenhouse

greenhouse made in usa

Visit Greenhouse Emporium now and explore this exceptional greenhouse and our other commercial polycarbonate greenhouse kits to take your gardening journey to the next level!

Did you find this article helpful? If you’ve ever built your own greenhouse, we’d love to hear from you. Let us know what worked for you and what didn’t in the comments!
Picture of Jesse James
Jesse James

Jesse James, an Army Veteran, now shares his passion for gardening through engaging articles on Greenhouse Emporium. Leveraging his experience and love for nature, Jesse provides practical advice and inspires others on their gardening journey.

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