Greenhouse Kits at Epic Greenhouses

The RIGA V is the second longest RIGA greenhouse. The RIGA is truly a European greenhouse designed to grow in the middle of winter! The RIGA is not just a season extender greenhouse. The unique RIGA design prevents snow build up, allows for maximum inside head room, and minimizes wind resistance. The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels. Riga V Greenhouse - Basic Package. Includes 4 Roof Windows with Automatic Openers and 1 Oversized Hinged Rear Window. 9' 8" x 17' 2"
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Conservatory Greenhouses Include: 
• Heavy-duty composite frame - rust, corrosion and mildew free 
• Twin-wall 3.5mm Solexx greenhouse panels (upgrade to 5mm panels for high altitude or heavy snow areas)
• 2 side bench frames, full length, 29" deep, hold 500 lbs (optional shelving available)
• Two-tiered 58" x 94" bench frame(s) in the center of the greenhouse (accessible from both sides) 
• 4 full-length hanging rods, holds 200 lbs each
• Sturdy, built-in base, requires no foundation
• 2 Large Easy Flow Louver air vents (optional solar powered openers)
• 2 doors in the G-308A Conservatory greenhouse kit and 4 doors in all larger units 
• Easy-to-assemble steel fittings
• 10-year limited warranty
• FREE delivery! (in the contiguous 48 states) 

Available Sizes
8' Conservatory Greenhouse (G-308).....16'W x 8'L x 9'6"H 
16' Conservatory Greenhouse (G-316)...16'W x 16'L x 9'6"H 
20' Conservatory Greenhouse (G-320)...16'W x 20'L x 9'6"H

Longer Conservatory Greenhouses are available through special order.

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From the deserts of Arizona to the snowfields of Alaska you won't find a better greenhouse for a better price. Made with an exclusive double-wall design, called "Therma-Truss". Provides 10 times the insulating properties of single-pane glass.
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This beautiful barn-style greenhouse gives you a year-round growing space with a heavy-duty aluminum frame and 10mm twin-wall polycarbonate panels.

Engineered to perform in harsh environments, the Grandio Summit's rugged durability makes it one of the most insulated greenhouses on the market. Its barn shape design is both elegant and functional, allowing plenty of growing space while looking great in your yard.

Made to meet the highest standards of hobby and professional gardeners alike, the 1.6mm profile aluminum frame provides a stronger and more durable build than its competitors.

The Summit’s range of features and accessories provides a well ventilated growing space with ample roof windows and re-engineered sliding double doors. The UV-protected 10mm paneling has an (R) value of 1.89* and heat loss (U) value of 0.53, allowing for optimal insulation in all climates.

The doors are hung from above which eliminates jamming and the door wheels are made from high-quality nylon for durability. The door wheel bolt is turned from solid brass with a smooth shank to reduce wear. The doors come standard with heavy-duty lockable door handles and included key.

Carefully engineered to the highest standards, gardeners of all types will love the combination of strength, quality, performance, and value that Grandio Greenhouses are known for.

Reach the Summit with Grandio!

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From the deserts of Arizona to the snowfields of Alaska you won't find a better greenhouse for a better price. Made with an exclusive double-wall design, called "Therma-Truss". Provides 10 times the insulating properties of single-pane glass.
Learn More

This beautiful barn-style greenhouse gives you a year-round growing space with a heavy-duty aluminum frame and 10mm twin-wall polycarbonate panels.

Engineered to perform in harsh environments, the Grandio Summit's rugged durability makes it one of the most insulated greenhouses on the market. Its barn shape design is both elegant and functional, allowing plenty of growing space while looking great in your yard.

Made to meet the highest standards of hobby and professional gardeners alike, the 1.6mm profile aluminum frame provides a stronger and more durable build than its competitors.

The Summit’s range of features and accessories provides a well ventilated growing space with ample roof windows and re-engineered sliding double doors. The UV-protected 10mm paneling has an (R) value of 1.89* and heat loss (U) value of 0.53, allowing for optimal insulation in all climates.

The doors are hung from above which eliminates jamming and the door wheels are made from high-quality nylon for durability. The door wheel bolt is turned from solid brass with a smooth shank to reduce wear. The doors come standard with heavy-duty lockable door handles and included key.

Carefully engineered to the highest standards, gardeners of all types will love the combination of strength, quality, performance, and value that Grandio Greenhouses are known for.

Reach the Summit with Grandio!

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Manufactured in the U.S.A. for more than 30 years, Sunglo Greenhouses offer an unsurpassed combination of durability, longevity, transparency and overall value
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The Riga IIIs Greenhouse Kit offer superior quality, strength, and insulation. The Riga IIIs Greenhouse - 81 sq.ft.: 8 mm twin-wall polycarbonate glazing on its side walls, 10 mm twin-wall polycarbonate on its front and back gables; 1 Roof Window with automatic opener, 1 large rear wall window, 1 Barn Style Door with lock (size: 30" wide x 72" high): over all size: 7'8" w x 10'6" long x 7.2" high. The Riga IIIs Premium Kit also includes a base, a top shelf and a bottom shelf.
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From the deserts of Arizona to the snowfields of Alaska you won't find a better greenhouse for a better price. Made with an exclusive double-wall design, called "Therma-Truss". Provides 10 times the insulating properties of single-pane glass.
Learn More

From the deserts of Arizona to the snowfields of Alaska you won't find a better greenhouse for a better price. Made with an exclusive double-wall design, called "Therma-Truss". Provides 10 times the insulating properties of single-pane glass.
Learn More

Mt. Rainier 8' x 12' Greenhouse - Single Door Configuration. Includes 4 vents with automatic vent openers, Dutch doors and a base made with recycled plastic.
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Mt. Rainier 8' x 12' Greenhouse - Double Door Configuration (1 at each end). Includes 2 vents with automatic vent openers, Dutch doors and a base made with recycled plastic.
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From the deserts of Arizona to the snowfields of Alaska you won't find a better greenhouse for a better price. Made with an exclusive double-wall design, called "Therma-Truss". Provides 10 times the insulating properties of single-pane glass.
Learn More

From the deserts of Arizona to the snowfields of Alaska you won't find a better greenhouse for a better price. Made with an exclusive double-wall design, called "Therma-Truss". Provides 10 times the insulating properties of single-pane glass.
Learn More

This beautiful barn-style greenhouse gives you a year-round growing space in an attractive, heavy duty aluminum frame and 10mm twin-wall panels.

Engineered to perform in harsh environments. The Grandio Elite's rugged durability, makes it the most insulated of the greenhouses on the market and it's barn shape design is both elegant and functional, and allows plenty of growing space.

Made to meet the highest standards of amateur and professional gardeners, the 1.6mm profile aluminum frame provides a stronger and more durable build than its competitors and won't warp, melt, or crack like the PVC-based barn-style greenhouses. And the heavy-duty construction coupled with 10mm twin-wall polycarbonate panels provide the perfect thickness for winter insulation.

A wide range of features and accessories culminates in a well ventilated growing space with gliding double doors, our superb easy-to-assemble system, and an insulation (R) value of 1.89* and heat loss (U) value of 0.53 resulting in an amazing gardening and greenhouse experience.

The doors are hung from above which eliminates jamming and the door wheels are made from nylon for durability. The door wheel bolt is turned from solid brass with a smooth shank to reduce wear on the wheels.

The Premium Kit adds the following items to the standard greenhouse kit:

• 6 Auto Roof Vent Openers
• 2 Packs of 10 Plant Hangers
• 1 Trellis Kit
• 1 Drip Kit
• 8 oz. Brillianize Cleaner

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The RIGA IV has more width and more headroom than the IVs. The RIGA is truly a European greenhouse designed to grow in the middle of winter!  The RIGA is not just a season extender greenhouse.  The unique RIGA design prevents snow build up, allows for maximum inside head room, and minimizes wind resistance.

The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.

Riga IV Greenhouse - Basic Package. Includes 2 roof windows with automatic openers, 1 large rear wall window, 1 bar style door with lock, 8mm twin-wall side panels, 10mm front/rear panels.

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Manufactured in the U.S.A. for more than 30 years, Sunglo Greenhouses offer an unsurpassed combination of durability, longevity, transparency and overall value
Learn More

Manufactured in the U.S.A. for more than 30 years, Sunglo Greenhouses offer an unsurpassed combination of durability, longevity, transparency and overall value
Learn More

This beautiful barn-style greenhouse gives you a year-round growing space with a heavy-duty aluminum frame and 10mm twin-wall polycarbonate panels.

Engineered to perform in harsh environments, the Grandio Summit's rugged durability makes it one of the most insulated greenhouses on the market. Its barn shape design is both elegant and functional, allowing plenty of growing space while looking great in your yard.

Made to meet the highest standards of hobby and professional gardeners alike, the 1.6mm profile aluminum frame provides a stronger and more durable build than its competitors.

The Summit’s range of features and accessories provides a well ventilated growing space with ample roof windows and re-engineered sliding double doors. The UV-protected 10mm paneling has an (R) value of 1.89* and heat loss (U) value of 0.53, allowing for optimal insulation in all climates.

The doors are hung from above which eliminates jamming and the door wheels are made from high-quality nylon for durability. The door wheel bolt is turned from solid brass with a smooth shank to reduce wear. The doors come standard with heavy-duty lockable door handles and included key.

Carefully engineered to the highest standards, gardeners of all types will love the combination of strength, quality, performance, and value that Grandio Greenhouses are known for.

Reach the Summit with Grandio!

Learn More