Product Description
RIGA XL Greenhouse – The Ultimate Year-Round Greenhouse for Serious Gardeners
The RIGA XL Greenhouse is the ultimate solution for gardeners who want to grow fresh vegetables, herbs, and flowers year-round—even in harsh winter climates. Unlike typical season extenders, which can only protect plants from light frost, the Riga XL is a true European-style greenhouse, built for winter gardening.
Featuring 16mm triple-wall polycarbonate panels, this greenhouse offers superior insulation, keeping the cold at bay while creating a stable growing environment. The gothic-arch design and heavy-duty 13-gauge aluminum frame provide exceptional durability, standing strong against high winds, heavy snow, and hail. The sloped walls naturally shed snow, ensuring your plants stay protected no matter the weather.
With spacious dimensions, the RIGA XL Greenhouse is both wider and taller than other models, giving gardeners ample room for workbenches, planting beds, and storage. If you’re looking for a high-performance, all-season greenhouse, the RIGA XL Greenhouse is the best choice for extending your growing season and maximizing your garden’s potential.
Invest in the RIGA XL Greenhouse today and enjoy gardening without limits, no matter the season!
Need a different size? Contact us for availability in additional sizes.
FREE shipping
Regular Shipping Time:
10 to 14 Weeks: This includes the time required to manufacture, package, and ship the item. Shipping includes curbside offloading for all shipments. Please ensure 2 to 3 people are available to unload the greenhouse crate upon delivery for a smooth experience. Kindly ensure that the truck can access your home without any issues. If you have any questions, please contact our sales team!
Key Features
Unmatched Durability & Year-Round Performance
✔ Superior Insulation – 16mm triple-wall polycarbonate glazing on sidewalls and gable ends provides top-tier insulation (R-Value up to 2.5-3.0), keeping plants protected in extreme weather
✔ Heavy-Duty Aluminum Frame – Built with 13-gauge aluminum extrusions for exceptional strength and longevity
✔ Storm-Resistant Design – The unique gothic arch shape prevents snow buildup and withstands winds up to 120 mph, making it ideal for harsh climates
✔ UV-Coated Polycarbonate – Triple-wall panels with UV protection ensure long-term clarity and durability
Smart Design for Effortless Gardening
✔ Easy Access Dutch Doors – Two 37.5-inch (95 cm) wide x 74-inch (188 cm) high Dutch doors with keyed locks allow convenient entry from both front and back
✔ Automatic Climate Control – (6) roof vent windows with automatic openers regulate temperature without the need for electricity
✔ Spacious & Versatile – Ample height and size options accommodate everything from small herbs to tall fruit trees, with an optional stem wall for extra growing space
Built to Last – Engineered for Excellence
✔ German Craftsmanship – Designed and manufactured by Hoklartherm, a trusted German brand with over 30 years of expertise in greenhouse construction
✔ Long-Term Warranty – 10-year polycarbonate panel warranty (prorated after 5 years) and 15-year aluminum frame warranty ensure peace of mind
✔ Assembly Made Simple – Includes detailed instructions; recommended for 2-3 people with an estimated assembly time of 2 days
Everything You Need – Plus More!
✔ Complete Greenhouse Package – Comes with all essential components, plus the option to upgrade with the Pro Accessory Kit for LED grow lights, thermostat-controlled ventilation, sturdy shelving, and a 220V electric heater
✔ Secure Foundation Recommended – The RIGA base frame (sold separately) ensures optimal stability and is highly recommended for proper installation
Take your gardening to the next level with the RIGA XL 7 Greenhouse – built for all seasons, designed to last for decades!
Specifications
Specifications:
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Shape: Unique “onion” shape offers greater strength and resistance against wind and snow-buildup
- Glazing: 16mm UV-coated triple-wall polycarbonate (side walls and gable ends)
- Frame: 13 gauge aluminum extrusions
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First-class insulation:
- Heavy-duty rubber seals and silicon caulking to seal windows
- High-quality construction with tightly fitted parts
- R-value: 2.5-3.0
- Colors: Aluminum/Silver
- Frame Material: Smooth finished anodized aluminum
- Length: 23' (7 panels)
- Width: 14'
- Peak Height: 9'10"
- Floor Area: 322 sq.ft.
- Doors: 2 Barn Style Hinged Door w/Locks, one for the front and one for the back, providing two large access points for equipment and additional airflow
- Door Size: 37.5" W x 74" H
- Windows: 6 Roof Vents
- Window Openers: 6 Automatic (roof) openers that work without electricity
- Window Size: 37.5" W x 39.5" H
- Wind Tolerance: 120 mph with 3-second gusts
- Snow Capacity: 30 PSF ground-snow load
- Rainwater Gutter System: No (not possible because of the greenhouse shape)
- Stem Wall: Yes, up to 20″; need to order a Door Extension Kit
- Expandable: No
- Assembly: Assembly is required and includes written instructions for guidance
- Assembly Time: 2-3 people – approx. 2-3 days, with 4 people – approx. 6-8 hours
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Warranty:
- Polycarbonate: 10 years (prorated after 5 years)
- Frame: 15 years
- Country of Origin: Germany
- Shipping Weight: Approx. 1200 lbs.
Why Choose RIGA XL?
Why Choose RIGA XL?
✔ German Engineering Excellence – Designed, engineered, and manufactured in Germany by Hoklartherm, with 30 years of experience in crafting high-quality greenhouses, sunrooms, pavilions, and more.
✔ Exceptional Durability – Built with strong materials and durable hardware, the RIGA XL Greenhouse ensures long-lasting strength and stability.
✔ Optimal Ventilation – Offers superior window and door ventilation compared to other greenhouses in its class, keeping the internal environment ideal for plant growth.
✔ Superior Glazing – Features 16mm triple-wall German-made polycarbonate glazing, offering higher quality insulation than the more common Polygal or GE glazing used in other models.
✔ Sturdy Frame Construction – The frame profiles are permanently attached, preventing loosening over time due to wind pressure for enhanced stability.
✔ Optional Heavy-Duty Shelving – Includes Seedtray/Bench shelf and top shelf with strong diagonal support braces, capable of holding up to 160 pounds, with removable polycarbonate inserts for taller plants or heavy-duty trays.
✔ Attractive Design – The sleek and stylish RIGA XL Greenhouse complements upscale garden settings, adding beauty and functionality to your outdoor space.
✔ Value for Money – Comparable to high-quality brands like Volkswagen/Volvo, the RIGA XL offers stronger durability, better insulation, and more features than many top-selling greenhouses in the same price range.
✔ Energy Efficient – Designed for year-round growing, the RIGA XL’s superior insulation keeps heating costs low, unlike other greenhouses that are expensive to heat.
✔ Multiple Size Options – Available in 5 different sizes, with a recommendation to purchase one size larger than originally planned for added flexibility.
✔ Made in Germany – Trust in the top-quality craftsmanship and innovation that comes from over 30 years of expertise.
Assembly Instructions & Manuals
Read Before Installation
Carefully review the assembly manual before starting the installation process. This will help you avoid mistakes and save time.
Preparation of Components
✔ Sort all parts according to the plans in the installation manual
✔ Place components around the greenhouse perimeter in installation sequence
Watch Our Assembly Video
For additional guidance, check out our installation videos showcasing general installation principles.
⚠ Reminder: Always follow the specific installation manual included with your product for accurate assembly instructions.
Installation Manuals and Packing Info:
⚠ Disclaimer: Always follow assembly manual that comes with the product.
- RIGA XL Greenhouse Assembly Instructions
- RIGA XL Greenhouse Assembly Instructions Addendum
- RIGA XL Greenhouse Foundation Frame Info
- RIGA XL Greenhouse Owners Reference Manual
- RIGA XL Greenhouse Parts List
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RIGA XL Greenhouse Flyer
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RIGA Greenhouse Warranty Information
Videos
Video - Intro RIGA XL Greenhouse
Video - RIGA XL Greenhouse Assembly
Video - RIGA XL Drop Door Installation Guide
Video - Window Vent Opener Greenhouse Univent
Treatment and care
⚠ Disclaimer: These are general recommendations for maintaining your Exaco RIGA Greenhouse. Proper care is essential to ensure longevity and safe operation. Always follow the manufacturer’s instructions and consult a professional if you experience electrical or structural issues.
To ensure your RIGA XL Greenhouse remains in optimal condition and continues to provide a stable, year-round growing environment, regular maintenance and care are essential. Here are some general treatment and care guidelines:
1. Cleaning and Maintenance
- Regular Cleaning: Clean the polycarbonate panels regularly to remove dirt, dust, and debris. Use a mild, non-abrasive soap solution with a soft cloth to avoid damaging the surface or UV coating.
- Avoid Harsh Chemicals: Never use harsh chemicals or abrasive cleaners, as they can damage the polycarbonate material and the UV protection.
2. Frame and Structure Care
- Inspect the Frame: Periodically check the frame for any signs of wear or damage. The aluminum structure is resistant to corrosion, but regular inspection will ensure long-lasting durability.
- Lubricate Moving Parts: If your greenhouse has doors or windows with moving parts, keep hinges and mechanisms lubricated to maintain smooth operation.
3. Snow and Weather Management
- Clear Snow and Ice: Even though the greenhouse’s design helps snow naturally slide off, it’s important to remove excess snow or ice buildup, especially during heavy storms, to prevent damage to the structure.
- Prepare for Weather Changes: During harsh weather conditions, it’s crucial to monitor the greenhouse and ensure that the structure remains secure and the plants are protected from extreme elements.
4. Climate Control
- Monitor the Temperature and Humidity: While the greenhouse is designed to help regulate the internal environment, it’s important to keep an eye on temperature and humidity levels. Proper ventilation and, if applicable, heating systems will help create a suitable growing environment.
- Adjust as Needed: Make adjustments to the ventilation and heating systems depending on seasonal needs to maintain a comfortable environment for your plants.
5. Foundation and Setup Care
- Ensure Stability: If the greenhouse is anchored or built on a foundation, check periodically to ensure everything remains stable. A solid foundation is key to ensuring the longevity and performance of the structure.
- Proper Setup: When assembling or moving the greenhouse, always follow the manufacturer’s guidelines to ensure the structure is correctly installed and balanced for optimal use.
6. General Tips for Longevity
- Check Seals and Gaskets: Regularly inspect seals and gaskets to ensure they are intact. If needed, replace or repair any damaged parts to maintain insulation and weatherproofing.
- Avoid Overloading: Be mindful of the weight placed on shelves or structures within the greenhouse to prevent strain. Opt for appropriate shelving and accessories to support heavier loads.
By following these general care and maintenance guidelines, you will maximize the life of your RIGA XL Greenhouse, keeping it a productive, efficient space for growing plants throughout the seasons. Regular upkeep will ensure that your greenhouse remains an ideal environment for your gardening needs for years to come.
Additional Accessories
RIGA XL Pro Accessory Kit
This accessory set is the perfect addition to any Riga XL Greenhouse, enhancing plant growth and overall health.
Includes the following accessories:
- 1x top and 1x bottom shelf: Riga shelves are designed to carry a high load. The bottom shelf can hold a 160-pound man, so it will hold your pots as well.
- 3 sets of professional LED Grow Lights
- 1x 24" intake shutter vent
- 1x 20" exhaust fan
- 1x thermostat to control vent and fan
- 1x 17,500 BTU 220 V heater
- 5x heavy-duty seed trays
- 10x stainless steel hooks and 10x heavy-duty plastic “hooks”
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Assembly Facilitation Kit: 25′ metric tape measure, 10mm socket wrench, 10 mm open wrench, 2 20′ J-hook ratchet straps, window restraint cables, 2 tubes Boss 399 silicone caulk, permanent marker
6” High Foundation Frame
This frame is the factory-recommended anchoring system for Riga XL Greenhouses, eliminating the need for a concrete or wooden footer. Simply place the frame in a trench, build the greenhouse on top, and backfill with soil for a secure, wind-resistant foundation. This method provides a strong and reliable anchor while being easier than constructing your own base.
Door Extension Kit
Elevates the greenhouse by 20" when placed on a stem wall. The door opening in the wall should be 40" wide.
Re-Inforcement Kit
Re-inforcement enhances wind resistance up to 135 MPH and supports a snow load of up to 64 lbs. per sq. ft.
Top & Bottom Shelves
Enhance your RIGA greenhouse with a wide bottom shelf and a narrower top shelf on each side, keeping your plants at a comfortable height while improving organization.
Light My Shed 4 Lighting
The Light My Shed 4 is a solar-powered LED lighting system designed for greenhouses, featuring an exterior-mounted solar panel and an interior LED housing. It provides 250 lumens of bright 6000K light for up to 4 hours after a sunny day, with a 9-foot wire for flexible installation and a rechargeable Ni-MH battery for reliable performance.
Wheelbarrow Access Plate
The Wheelbarrow Access Plate provides a smooth and stable entry point into the greenhouse, making it easy to roll in wheelbarrows, carts, or heavy equipment without obstruction. It ensures seamless access while protecting the greenhouse frame and foundation.
