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Exaco Riga Greenhouses 4 view of front door

Hoklartherm Riga Greenhouses 4 (135 sq.ft.)

by Exaco

SKU RIGA-IV

Sale

$8,748.75

$8,748.75 - $8,748.75

$8,748.75

$5,599.20

$5,599.20 - $5,599.20

$5,599.20

✓ Exaco Preferred Dealer & 15 Year Standard Warranty
✓ Massive Customization Options, Call Us Today For Your Own Representative
✓ Premium Glass & Metal Frame Prevents Replacing Cheap Greenhouses Every Year

Why Buy From Us?

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Shipping & Handling For Exaco

Handling Time: Ships in 5 to 9 business days. Custom items may take longer.

Shipping Time: Please allow 2-9 business days for delivery to your curbside.

Our goal is to get your order to you as quickly as possible. This item ships to all States of the contiguous U.S.A (lower 48). Please note that all shipments over 100lbs go by LTL freight. For more information check out our Shipping Policy.

Cancellation/Return Policy For Exaco

Return Policy: Exaco generally does not accept returns as everything is built to order. Exceptions apply.

Any order can be canceled within 24 hours of payment.

After 24 hours, most orders will be packed and placed for pickup by the shipping carriers. Once picked up, the item will be considered shipped.

Custom, Built-To-Order, on demand products cannot be canceled or refunded after 24 hours, as these products are put into production specifically for your order.

Damaged Items:

All orders are protected by the manufacturer's warranty. We will repair, or replace any item damaged during shipment or faulty upon arrival as long as the documentation is provided.

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Unveil Boundless Gardening Potential with Exaco RIGA Greenhouse 4!

Imagine having a garden in your backyard that's full of plants and flowers, no matter the season. The RIGA 4 can make that happen. It's made with great materials and has a cool design that helps your plants grow all year. Whether you're a gardening expert or just starting, this greenhouse is perfect for you.

Bad weather? No problem! This greenhouse can handle it. Its strong build and weather-resistant materials mean it can stand up to heavy snow and strong winds. The design helps keep the temperature steady inside, so you don’t need extra heating in the winter. Your plants will stay cozy and safe no matter what.

Exaco RIGA 4 greenhouse setup in a lush garden, showcasing its spacious interior with various plants and shelves for optimal gardening.

Enable the Cultivation of Plants and Crops Throughout the Year

Spacious Growing Area: 135 sq. ft. of space, 14 feet long, 9 feet 8 inches wide, and 7 feet 6 inches tall.
Heavy-Duty Construction: Rust-resistant aluminum frame and 10mm twin-wall polycarbonate panels for insulation and UV protection
Efficient Design: Unique rounded shape improves wind resistance and allows snow to slide off easily; includes a base kit for a level and secure foundation
Optimal Ventilation: Multiple roof windows and automatic vent openers that regulate internal temperature
Weather Resistant: Designed to withstand heavy snow and strong winds; energy-efficient materials help maintain a stable internal temperature
Easy Assembly: Clear DIY instructions, making it accessible for all gardeners
Year-Round Gardening: Allows a variety of plants to thrive in any season

Riga Greenhouse interior view with flowers

Feel the Warmth of Summer All Year in Your Hoklartherm RIGA Greenhouse

This greenhouse has lots of room. It's 14 feet long, 9 feet 8 inches wide, and 7 feet 6 inches tall. That's plenty of space for all kinds of plants! You can grow tall tomatoes, sprawling cucumbers, or delicate flowers. Plus, it comes with a base kit to keep everything level and secure.

Good airflow is super important for plants, and the Riga Greenhouse 4 has it covered. It has roof windows that you can open to let in fresh air. The automatic vent openers help keep the temperature just right by opening and closing the windows based on how warm it is inside. This keeps your plants happy and healthy.

Ready to start an awesome garden? The Hoklartherm Riga Greenhouse 4 is your year-round buddy with lots of space, a strong build, and smart features. Don’t let the weather stop you. Order today and enjoy a vibrant garden all year!

Hoklartherm Riga Greenhouses 4 opened door

Give Your Plants the Best Environment to Thrive with a RIGA Greenhouse

Made in Germany	Built by Hoklartherm, a company with 28 years of experience in making greenhouses. This ensures you get a top-quality product.
Strong and Durable	Known as the toughest greenhouse you can get for under $5,000. It uses strong materials and has secure frame profiles that won't loosen over time.
Superior Ventilation	Has better windows and doors for ventilation compared to other greenhouses, which means better airflow for your plants.
High-Quality Glazing	Uses high-quality polycarbonate glazing from Germany, which is better than common options like Polygal or GE glazing.
Adaptable Shelving	Comes with an optional two-layer shelving system that has removable inserts for tall plants. Also includes a Seedtray/Bench shelf and a strong top shelf for various plant sizes.
Secure Foundation	The optional 6-inch high foundation frame can be buried to anchor the greenhouse securely, so you don't have to worry about it moving.

Feel Safe and Comfortable with a Strong and Dependable Greenhouse

Attractive Design	Adds a stylish touch to high-end gardens. It looks good while also being functional.
Top Quality	Comparable to well-known car brands like Volkswagen or Volvo, it stands out for its strength, durability, insulation, and extra features.
Good Insulation	Provides the right amount of insulation to keep your plants growing all year round without high heating costs.
Flexible Sizes	Available in five different sizes, so you can choose the one that fits your gardening needs.
Easy Assembly	Comes with a DVD and written instructions to help you set it up easily.
Proactive Sizing	It's recommended to buy one size larger than you think you'll need to allow for future growth and expansion.

Download Manual of Riga 4 Greenhouse

RIGA 4 Assembly Manual

Specifications of Riga Greenhouse 4

Size	9'8" W x 14' L x 7'7" H
Area	135 square feet
Construction	Extremely heavy-duty
Insulation	First-class insulation: R or K-value 3.0
Warranty	Polycarbonate: 10 years; Frame: 15 years
Door	Heavy-duty Dutch Barn Door with keyed lock: 30" W x 72" tall. 72" tall narrow unit / 79" tall wide unit
Rear Wall Window	Oversized Rear Wall window: 30" W x 42" H with adjustment arm
Roof Windows	Roof Window(s): 40" W x 24" D; with Automatic Window Opener
Polycarbonate	8 MM UV coated twin-wall polycarbonate over the main body
Front & Back Walls	10 MM twin-wall polycarbonate for extra strength
Inside Walking Height	6'1" near shelves, 6'11" in the middle of the narrow unit, and 7'6" high for a wide unit
Assembly Time	2 people, 1 full day (3 makes it easier and reduces it to 6-8 hours, excluding any shelves)

Get the Most Out of Your Greenhouse with Our Accessory Bundle

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.

Solar Powered Exhaust Fan

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

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.

Bio Green Palma Greenhouse Heater

Portable and powerful, this lightweight greenhouse heater safeguards your plants against cold weather.

Exaco Bio Green Thermostat in white background

Bio Green Thermo2 Digital Thermostat

A digital thermostat provides precise control over your greenhouse's growing environment.

Dayton Big Red Heater

Heats up to 600 square feet with auto overheat protection and a temperature range of 37-113°F.

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.

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

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

RIGA Foundation Frame	Stainless Steel Plant Hooks	Plastic Hooks for Growing Wire / Rope	Misting System
The foundation frame for Riga Greenhouses can be installed in a trench without concrete and is available in various sizes and prices per model.	T-bolts easily insert into greenhouse profile channels and come in a set of 5 with adjustable length hooks.	The kit for vining plants includes 10 plastic inserts, hooks, and a small stainless steel S-hook, and installs easily in greenhouse channels.	Suitable for greenhouses up to 20 feet, features 5 adjustable misters. Easily customize the water flow and shorten the kit as needed.

Solar Light	LED Grow Light	Wheelbarrow Ramp	T-Bolts
Solar-powered light mounted on a greenhouse wall, providing energy-efficient lighting to support plant growth and extend daylight hours.	Enhance plant growth with a lightweight 48" anodized aluminum grow light, perfect for the winter season, backed by a 5-year warranty.	The solid rubber greenhouse ramp facilitates easy wheelbarrow access and measures 49cm wide by 31cm long by 10cm high.	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.