Exaco Riga ‘S’ Greenhouse | Premium German-Made Quality
Premium German Engineering in a Compact Design
The Exaco Riga ‘S’ greenhouse series represents the pinnacle of German greenhouse engineering. Built with industrial-strength aluminum framing and professional-grade polycarbonate panels, these greenhouses deliver year-round performance with automated ventilation, superior insulation, and snow-shedding curved design.
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Or order the kit online
- Supplied and installed by HBGreenhouses, with full turnkey options including site visits
- Freight and delivery are quoted separately, based on your location
- Authorized Exaco dealer
- Questions? Call (706) 707-8046 or send us a message
About the Exaco Riga ‘S’ Greenhouse | Premium German-Made Quality
The Exaco Riga ‘S’ greenhouse series sets the standard for premium growing environments. Made in Germany with industrial-strength aluminum framing and polycarbonate panels, this professional-grade greenhouse delivers year-round performance. Featuring automated ventilation, barn-style doors, and a snow-shedding curved design, every Exaco Riga ‘S’ Greenhouse combines exceptional durability with sophisticated climate control. Built for harsh weather with stainless steel hardware and interlocking frame profiles.
Key Features (common across models)
- 15-year Limited Warranty
- German-engineered twin-wall polycarbonate glazing (8mm sides, 10mm ends)
- Durable 13-gauge aluminum frame construction
- Automated roof ventilation system
- Barn-style door with lock
- Rust-resistant stainless steel hardware
- Snow-shedding curved wall design
- Year-round growing capability
- 7’1″ peak height
- 7’8″ width standard
- Includes rear window for additional ventilation
Model Specifications
Riga 2s
- Length: 7′ (2 panels)
- Growing area: 54 sq. ft.
- 1 roof vent with automatic opener
- Door size: 2’6″ W x 6′ H
Riga 3s
- Length: 10’6″ (3 panels)
- Growing area: 81 sq. ft.
- 1 roof vent with automatic opener
- Door size: 30″ W x 72″ H
Riga 4s
- Length: 14′ (4 panels)
- Growing area: 108 sq. ft.
- 1 roof vent with automatic opener
- Door size: 30″ W x 72″ H
Premium Features & Benefits
Superior Climate Management
- Temperature-activated automatic roof vent
- Twin-wall polycarbonate provides excellent insulation (R-value of 1.82)
- Diffused light for reduced plant stress
- Optimal humidity control
Professional-Grade Construction
- Heavy-duty 13-gauge aluminum frame
- Marine-grade stainless steel hardware
- Interlocking frame profiles for superior stability
- Curved design provides 20% more growing space than equivalent rectangular greenhouses
All-Weather Performance
- Exceptional snow load capacity (25 lbs/sq. ft.)
- Wind resistance rating of 80+ mph
- UV-stabilized polycarbonate with 10-year UV warranty
- Curved design prevents snow accumulation
Accessories Package Options
Enhance your growing experience with our comprehensive accessories package:
- Foundation Frame: Secure in-ground anchoring system for stability
- Top Shelf: Premium aluminum shelf for seedlings and small plants (length varies by model, 10″ wide)
- Bottom Shelf: Spacious aluminum platform for larger plants and supplies (length varies by model, 25″ wide)
Perfect For
- Passionate home gardeners with limited space
- Urban and suburban gardening
- Cold climate year-round growing
- Plant propagation and specialty cultivation
- Extending your growing season
Installation Information
The Riga ‘S’ greenhouse has been designed for straightforward assembly with detailed instructions provided. Professional installation service is available and recommended for optimal setup and performance. Please contact us for installation quotes and scheduling.
Warranty & Support
Every Exaco Riga ‘S’ greenhouse comes with a comprehensive 15-year limited warranty on the frame and a 10-year warranty on the polycarbonate glazing. Our dedicated customer support team is available to assist with any questions or concerns throughout your greenhouse ownership experience.
Note: Images shown are representative of the Riga ‘S’ series. Actual greenhouse appearance may vary slightly based on the specific model and configuration.
Sizes and floor area
| Model | Footprint | Floor area |
|---|---|---|
| Riga 2s | 7ft x 7ft 8in | 54 sq ft |
| Riga 3s | 7ft x 10ft 6in | 81 sq ft |
| Riga 4s | 7ft x 14ft | 108 sq ft |
Dimensions are approximate. Price any size with installation in the estimator.
Watch it in action
Questions we hear a lot
Do you install the greenhouse?
Yes. HBGreenhouses supplies and installs the greenhouses we sell, and can build the foundation too. If you would rather install it yourself, you can order the kit alone.
Is shipping included in the price?
No. Freight and delivery are quoted separately, based on your location and delivery needs, after we have talked through your project.
How do I get a total price?
Use the estimator. Choose your model, color, base and upgrades and it updates live, including installation. Foundation, site work and travel are confirmed after a site visit, and the estimate is not a binding quote.
Where do you build?
We are based in Athens, Georgia and build across the Eastern United States.
More answers on the FAQ page.
See it built
Browse real Riga greenhouses we have installed for customers, with photos from the build.
View Riga project photos →Ready to price your build?
Choose your model, color and upgrades in the estimator and watch the total update. Final pricing is confirmed once we have reviewed your project together.
Get your estimate for this model →Call (706) 707-8046














