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ELITE. HEAVY-DUTY. SOPHISTICATED
The Riga Black represents the pinnacle of hobby greenhouse design, merging the legendary structural integrity of German engineering with a sophisticated, modern aesthetic.
Designed by Hoklartherm and finished in a sleek, UV-resistant black powder-coated frame, this "onion-shaped" powerhouse is built to withstand the harshest environments while looking like a piece of architectural art in your garden.
WHY RIGA BLACK
- Superior Insulation with 8mm twin-wall polycarbonate side walls and 10mm gable ends for year-round thermal efficiency
- A professional black powder-coated aluminum frame accented with elegant Victorian cast metal roof cresting.
- Wind resistant up to 120 mph and 25 psf snow load
- The signature curved shape doesn't just look beautiful—it’s designed to naturally shed snow and deflect wind.
- Reinforced 13-gauge aluminum framing for extreme durability
- Includes automatic roof vent openers and a large rear window to ensure optimal airflow without constant monitoring
- Manufactured to the highest standards in Germany, ensuring a lifetime of durability and performance.
- (2) Roof window
- (2) Roof window opener
- (1) Rear window
- (1) Barn style hinged door
- New upgraded door handle 2024
SPECIAL KIT (Save $422.98)
- (1) Greenhouse
- (1) Front intake shutter vent
- (1) Back exhaust fan
- (1) Thermostat-controlled Vent/Fan
- (1) Industrial heater, 240V, 18,000 BTU
- (5) Heavy-duty seed trays
- (1) Metal Hooks 5pcs per pack
- (1) Heavy-duty plastic hangers (10 pcs per pack)
- (1) Top Shelf
- (1) Bottom Shelf
- (1) Solar-powered night light
GROUND
- (1) Foundation frame
WALL
- (1) RIGA S door extension
FAQs
SUPPORT
- RIGA Assembly Instructions
- Owner's Reference Manual
- Base Instructions
- Warranty Document
- Window auto-opener piston guide
- Call us for an installer
- About Us
We Beat Major Retailers and Online Stores — While Delivering Better Service
From big-box brands to niche greenhouse shops, we’ll match or beat their prices
and deliver faster service with personalized project support
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ACCESSORIES
Door & Shelving
- Add 2nd Door
- Extention Door Kit
- Top Shelf
- Bottom Shelf
- Palram Work Bench
Window
- Roof Window
- Openers for Roof Vent
- Restraint Cable System for Roof Vents
Climate Moderation
- Exhaust Fan
- Intake Fan
- Phoenix Heater 240V
- Palma Heater 120V
- Digital Thermostat
Garden Essentials
- Garden Bed
- Misting System
- Palstic Plant Hooks
- Metal Plant Hooks
- RIGA ACC List
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