Product Description

Strength, Efficiency, and European Precision Unite in the RIGA 5 Greenhouse

Have you ever wanted to grow your own vegetables, flowers, or plants all year round? The Hoklartherm Riga Greenhouse 5 is here to help you make that dream come true! With 165 square feet of space, this greenhouse is perfect for both beginners and experienced gardeners. It's designed to protect your plants from harsh weather and keep them thriving even in the coldest months.

This greenhouse isn't just about growing plants – it's also about having fun. Imagine spending time in your own little garden paradise, watching your plants grow, and maybe even sharing your homegrown produce with family and friends. The Riga Greenhouse 5 gives you a special place to connect with nature and learn more about gardening.

Image showcasing the Exaco RIGA 5 Greenhouse during autumn.

Create a Thriving, Enchanting Garden All Year with RIGA Greenhouses

  • Spacious Interior: With 165 square feet of growing space (17'6" L Ă— 9'8" W), there’s plenty of room for vegetables, herbs, flowers, and gardening tools.
  • Strong Construction: Built with a rust-proof 13-gauge aluminum frame and durable twin-wall polycarbonate panels (8mm on side walls, 10mm on gable ends) to withstand strong winds, heavy rain, and snow.
  • Optimal Light & UV Protection: High-quality polycarbonate glazing allows in plenty of light while blocking harmful UV rays, protecting plants from damage.
  • Superior Ventilation: Includes 4 roof vents with automatic openers plus a rear window, ensuring ideal airflow and temperature control inside the greenhouse.
  • Efficient Climate Control: The insulated design helps maintain warmth in colder months and prevents overheating in warmer seasons, supporting year-round growing.
  • Easy Access: A barn-style hinged door (28 Âľ" W Ă— 77 Âľ" H) makes it easy to bring plants, equipment, and tools in and out.
  • Low Maintenance: Premium materials ensure long-lasting durability with minimal upkeep, so you can spend more time gardening.
  • User-Friendly Assembly: Pre-drilled holes and clear instructions make installation straightforward with just a few tools.
  • Optional Foundation: A galvanized steel base can be added for extra stability and secure anchoring.
The image shows the Exaco RIGA 5 Greenhouse, inside with plants and shelves, outside with its curved aluminum frame and transparent walls, plus nearby metal planters.

Extend the Growing Season for Your Favorite Crops with the Exaco RIGA Greenhouse

One of the best things about this greenhouse is its great ventilation system. It comes with adjustable roof vents and a side window that you can open to let fresh air in. This helps keep the temperature and humidity just right for your plants. Plus, the double doors make it easy to get in and out, even if you're carrying gardening tools or a wheelbarrow.

The Riga Greenhouse 5 is strong and built to last. Its aluminum frame won't rust, and the tough walls keep it warm inside. The special panels let in lots of light but block harmful UV rays, so your plants get what they need to grow. Plus, it stands up to wind, rain, and snow!

So, if you're ready to start your gardening adventure, the Hoklartherm Riga Greenhouse 5 is the perfect choice. Get started today and see how much fun gardening can be!

Hoklartherm Greenhouse with raised base, extended door & exhaust vent

Let Your Plants Breathe Easy and Flourish with A RIGA Greenhouse

German Craftsmanship Built by Hoklartherm with 28+ years of expertise for top-quality durability.
Strong & Long-Lasting Reinforced aluminum frames and tough materials designed to withstand years of use.
Superior Ventilation Roof vents, windows, and doors ensure excellent airflow and climate control.
High-Quality Glazing German-made polycarbonate panels provide superior insulation and strength.
The Exaco RIGA Greenhouse 5 on a backyard with rear window and roof vents open

Experience the Comfort and Peace of Mind with a Secure and Sturdy Greenhouse

Adaptable Interior Optional shelving systems with removable inserts fit plants of all sizes.
Secure Foundation Optional 6-inch frame anchors the greenhouse firmly for stability.
Elegant & Functional Design Bell-shaped roof adds style, improves insulation, and sheds snow easily.
Flexible & Future-Ready Available in multiple sizes with room to expand as your garden grows.
The Exaco RIGA 5 Greenhouse lit from the inside with some silhouettes of plants at night.

Download Manual of Riga 5 Greenhouse

Specifications of Exaco RIGA 5

Dimensions 17'6" L Ă— 9'8" W Ă— 7'7" Peak Height (165 sq. ft.)
Door 1 Heavy-Duty Dutch Barn Hinged Door with Lock
Door Size 28 Âľ" W Ă— 77 Âľ" H (narrow) / 79" H (wide)
Windows 4 Roof Windows (40" W Ă— 24" D each) with Automatic Openers 1 Oversized Rear Wall Window (30" W Ă— 42" H, adjustable arm)
Glazing 8mm Twin-Wall Polycarbonate (side walls) | 10mm Twin-Wall Polycarbonate (gable ends)
Frame 13-Gauge Aluminum Extrusions with Stainless Steel Hardware
Insulation R/K-Value of 3.0 for superior thermal performance
Walking Heights 6'1" near shelves | 6'11" center (narrow unit) | 7'6" center (wide unit)
Assembly Approx. 1 day for 2 people, or 6–8 hours with 3 people

Boost Your Gardening Game with Optional Accessory Kit

The standard accessory kit for all RIGA models makes your greenhouse more useful and stable. It includes a top shelf and a bottom shelf for storing plants or tools, and a foundation frame base that keeps the greenhouse steady, especially if it's not cemented down. This bundle is offered at a lower price and fits any Riga greenhouse, adding more storage and stability.

Exaco RIGA Greenhouse bottom shelf with plants displayed on top

Top & Bottom Shelves

Keep plants and tools organized with a 10" wide top shelf and 25" wide bottom shelf.

Close up image of a foundation frame for Exaco Riga Greenhouses

Foundation Frame Base

The foundation frame for Riga Greenhouses is buried in a trench if not anchored to concrete and is available for all sizes.

Create A Consistent Growing Environment in Your Greenhouse

Automated aluminum louver Exaco Modern greenhouse vent for temperature and humidity control.

Intake Shutter Vent

The Intake Shutter Vent, used with an Exhaust Fan, controls airflow in the greenhouse and is available in 16", 20", and 24" sizes.

Exaco

Solar Powered Exhaust Fan

Exaco's Solar Powered Exhaust Fan offers greenhouse ventilation without electricity and includes a lifetime warranty on the brushless motor.

Exaco Exhaust Fan in white background

Exhaust Vent with Fan

Available in 12", 16", and 20" sizes, circulates air to optimize growing conditions and comes with a 110-volt cord, plug, and an optional thermostat.

Exaco RIGA Portable Milkhouse Heater product image

Portable Uline Milkhouse Heater

Compact 1500W heater with 3 settings and thermostat, ideal for smaller RIGA greenhouses.

Close-up of Exaco INKBIRD ITC-608T thermostat with dual probes.

Inkbird Thermostat

Inkbird ITC-608T thermostat with dual probes controls 2 heating/cooling devices separately. Plug-and-play, 120V/15A/1800W, range -40°F–212°F.

Red box infrared portable industrial heater for Exaco Greenhouses

Industrial Heater

Keep large greenhouses cozy with this industrial infrared heater. It provides 18,500 BTU and features fan and thermostat controls for consistent warmth.

Expand Your Greenhouse's Capabilities with Specialized Add-Ons

Close up of Exaco Riga greenhouse vent with spindle opener

Additional Roof Vent

The RIGA Automatic Window Opener features a quick-release arm for easy disconnection during bad weather.

Detailed view of a spindle window opener for Exaco greenhouses, featuring diagrams and close-up images of its components including tension springs and adjustment mechanisms

Spindle Roof Opener

Manual roof window opener that works like a large threaded screw. Long handle is needed to operate, not included.

Close up of sash lock for Exaco Greenhouses

Sash Lock

Recommended to shut roof windows in winter and stormy weather. Also used to shut top half door.

A close-up of a metal cable wind restraint system securing a greenhouse roof window.

Roof Window Restraints

The roof window restraint kit uses two 15-inch stainless steel cables with nuts and bolts to protect auto-openers from strong winds.

Maximize Space and Accessibility in Your RIGA Greenhouse

Close up image of the Exaco RIGA greenhouse top shelf with support

Top Shelf

Show off your plant babies with a 10" wide top shelf. Price and length varies per size.

Top and bottom shelves for Exaco Riga greenhouses with plants on display

Bottom Shelf

Store your tools on a 25" wide bottom shelf. Price and length varies per size.

A drop door kit for Exaco RIGA Greenhouse

Drop Door Extension Kit

To raise greenhouse 20” when placed on stem wall. Sizes vary per greenhouse model.

From Foundation to Roof — Essential Miscellaneous Add-Ons

Close up image of a foundation frame for Exaco Riga Greenhouses

RIGA Foundation Frame

The foundation frame for Riga Greenhouses can be installed in a trench without concreter and is available in various sizes and prices per model.

Stainless Steel Plant Hooks for Exaco Greenhouses

Stainless Stell Plant Hooks

T-bolts easily insert greenhouse profile channels and come in a set of 5 with adjustable length hooks.

Installation set for vining plants in a greenhouse, featuring 10 plastic inserts, hooks, and a stainless steel S-hook

Plastic Hooks for Growing

The kit for vining plants includes 10 plastic inserts, hooks, and a small stainless steel S-hook, and installs easily in greenhouse channels.

An image of the misting system that comes standard with some models of the Exaco Victorian Greenhouses.

Misting System

Suitable for greenhouse up to 20ft, features 5 adjustable misters. Easily customize the water flow and shorten the kit as needed.

Product image of the solar light for Exaco Greenhouses

Solar Light

Eco-friendly solar LED light for greenhouses/sheds. 250 lumens, 4 hrs runtime, cool white 6000K. Easy install, weather-resistant, 2-yr warranty. Not a grow light. 

Exaco Astrica Grow Light LED fixture designed for greenhouse use, providing full-spectrum lighting in a slim, energy-efficient housing.

Astrica Grow Light

ASTRICA 45W Interlight LED, F3 spectrum, 112 ÎĽmol/s, 2.5 ÎĽmol/J. IP65 build, link up to 12 units. Note: stringing units together requires different cables.

Installation set for vining plants in a greenhouse, featuring 10 plastic inserts, hooks, and a stainless steel S-hook

Wheelbarrow Ramp

The solid rubber greenhouse ramp facilitates easy wheelbarrow access and measures 49cm wide by 31cm long by 10cm high.

An image of the misting system that comes standard with some models of the Exaco Victorian Greenhouses.

T-Bolts

Stainless steel hammerhead bolts and nuts for attaching accessories to aluminum frames, available in 12mm (Victorian) or 15mm (RIGA) lengths. Set includes 20 bolts and nuts.

RIGA Greenhouse Overview and Installation Steps Videos

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