Exaco Riga S Greenhouses


  • Great snow & wind performance
  • Perfect for smaller spaces
  • 8mm & 10mm twin-wall polycarbonate
  • Sturdy, insulated structure

The Riga S Greenhouses are perfect for the passionate gardener who demands quality, durability, and functionality without needing vast space. Crafted with precision by Hoklartherm in Germany, a country renowned for its engineering excellence and challenging weather conditions, the Riga S is built to thrive through the seasons. If you’re looking for a space-saving year-round growing environment, keep reading.

Sizes for Every Space

Available in three compact sizes, the Riga S is perfectly suited for smaller backyards or gardeners looking to maximize their growing area without the footprint of a larger structure. Despite its modest dimensions, the Riga S does not compromise on the internal growing environment, providing ample space and conditions for a wide variety of plants.

Hoklartherm Riga 2s Greenhouse 7.8x7 for serious gardeners with a lack of space
Riga 2s (8×7)
Riga 3S Greenhouse in a backyard, mountains in the background
Riga 3s (8×11)
Hoklartherm Riga 4s Greenhouse 7'8"x14' front view, outdoor setting, upper door open
Riga 4s (8×14)

Durability Meets Design: The Riga S features a gothic-arch shape that prevents snow and wind from gaining a foothold. This design ensures snow easily slides off and strong winds are smoothly redirected.

Riga Greenhouse surrounded by snow - Strong enough to withstand heavy winters

This design, coupled with frame profiles that are thicker and of larger diameter than typical greenhouses, provides unmatched structural integrity against the elements.

Superior Materials for Supreme Insulation

With sidewalls featuring 8mm UV-coated twin-wall polycarbonate and gables of 10mm thickness, the Riga S offers exceptional insulation, outperforming even the glass windows of a home. This superior insulation is further enhanced by heavy-duty rubber seals and weather seals around the windows, achieving an impressive R-value of 2.0.

The varying thickness of the polycarbonate serves a dual purpose. The thinner 8mm polycarbonate on the sidewalls allows for more light transmission, crucial for the growth and health of plants, especially in the higher latitudes. Meanwhile, the thicker 10mm polycarbonate on the gables provides added durability and strength, ensuring the greenhouse can withstand harsh weather conditions.

Additional Features & Benefits

Easy Access & Superior Airflow: Featuring a wide Dutch Door for easy access, secured with a key-lock handle. By opening the top of the Dutch Door along with the large rear wall window, it creates an efficient airflow system throughout the greenhouse.

Featured image showcasing the Dutch Door and large rear wall window on the Riga Greenhouses