Cannabis Grow Room Shipping Container: Features, Dimensions, Add-Ons, and Costs

Cannabis Grow Room Shipping Container – Features, Dimensions & Costs

Key Takeaways

Shipping containers provide a secure, scalable solution for controlled cannabis cultivation.
Sizes like 20 ft, 40 ft, and 45 ft can support all stages of growth, and you can segment your container depending on the stage.
Add-ons like HVAC, CO₂ systems, and smart controls help create optimal growing conditions.
Conexwest customizes containers with insulation, wiring, and venting to support grow room conversions.

What Is a Cannabis Grow Room Shipping Container?

A cannabis grow room shipping container is a modified steel container equipped with everything needed to grow cannabis in a controlled environment. These containers are insulated, sealed, and fitted for lighting, airflow, and environmental control systems.

Growers use them for all stages of the cannabis cycle, from propagation and vegetative growth to flowering and harvest. Because they’re portable and self-contained, they can be deployed almost anywhere: urban lots, rural land, indoor warehouses, or behind retail storefronts.

Conexwest, a leader in shipping and storage solutions based in Northern California, offers new, used, and refurbished containers from 10ft to 45ft, with fast delivery within 3-7 days and container fabrication options like adding shelves and locks. Conexwest serves over 10,000 national customers, including prestigious clients like the U.S. Navy and Google. As an ISO 9001 and AWS-certified company, we ensure top quality and competitive pricing.

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Key Features of Grow Room Containers

Each container is designed with cannabis cultivation in mind, offering critical features that support plant health and regulatory compliance:

The entire container is insulated using spray foam or rigid panels to maintain consistent internal temperatures. This is essential for growing cannabis, which is sensitive to temperature swings, especially during the flowering stage.
Grow cycles depend on uninterrupted light and dark periods. The container is sealed against external light leaks and equipped with vapor barriers to prevent mold, mildew, and pests from affecting your crop.
Proper airflow is vital for keeping heat, humidity, and CO₂ levels in check. Containers are built to accommodate high-CFM exhaust fans, carbon filters for odor control, ducting, and passive air intakes, key for managing internal microclimates.
Containers come pre-wired to support grow lights (LED or HID), HVAC units, dehumidifiers, and irrigation pumps. Circuits are organized to meet cannabis power loads safely and efficiently.
Grow operations can scale by connecting multiple containers or stacking them vertically. This allows for separate vegetative, flowering, drying, and curing rooms while conserving land and maintaining strict environmental separation.

Two workers installing insulation and ceiling panels inside a container.

If you want to save the hassle of container insulation, you can go for Conexwest refrigerated containers to optimize the temperature.

Common Sizes and Dimensions

Container grow rooms come in multiple sizes depending on your scale and growing goals:

20-ft Container

Best for small-scale grows, cloning, or vegetative phases. Ideal for startups, research, or supplemental grow space.
Interior Dimensions: 19’4” (L) × 7’9” (W) × 7’10” (H)

40-ft Container

A versatile option used for full grow cycles, with room to divide flowering areas, workspace, and storage.
Interior Dimensions: 39’3” (L) × 7’9” (W) × 7’10” (H)

45-ft Container

Offers the most internal space, suitable for multi-zone setups including drying, curing, or additional crop capacity.
Interior Dimensions: 44’6” (L) × 7’9” (W) × 8’10” (H)

These units are typically outfitted based on layout preferences and compliance with local cannabis growing regulations.

Popular Add-Ons and Customizations

To make a grow room functional and productive, several modifications can be added during the container conversion process:

HVAC Systems: Essential for maintaining stable temperature and humidity. Cannabis plants require tightly regulated climate conditions throughout different growth stages, and HVAC systems with integrated dehumidifiers help prevent mold, bud rot, and other climate-related issues.

CO₂ Injection Systems: Increasing carbon dioxide levels in the grow environment can significantly enhance plant growth and yield. These systems are especially useful during the flowering stage and can be paired with automated environmental controls.

Odor Control Units: Carbon filters, air scrubbers, and sealed airflow systems help contain strong cannabis odors, which is especially important for urban or shared spaces. These features help growers stay compliant with local zoning and nuisance laws.

Grow Light Mounts and Reflective Paneling: Containers can be outfitted with adjustable light tracks and high-efficiency reflective walls (e.g., Mylar or aluminum panels) to ensure even light distribution and maximize photosynthesis in tight spaces.

Automated Timers and Smart Controls: Automate your lighting schedules, irrigation, ventilation, and CO₂ levels using smart control panels or mobile apps. These systems reduce manual labor and allow for remote monitoring and adjustments.

Shelving or Mobile Racking Systems: Add vertical growing shelves or tiered racking setups to make the most of limited square footage. These systems allow growers to double or triple production within the same container footprint.

Two workers assembling a metal frame with a forklift near several stacked shipping containers

No matter if you need steel shelving or unistrut shelving, Conexwest provides it.

Security Features: Reinforced steel doors, motion-activated lighting, camera mounts, and alarm-ready wiring can be added for added security, critical for cannabis growers operating under strict licensing requirements.

How Much Does a Grow Room Container Cost?

The following prices reflect the cost of the standard container only. Final costs will vary based on container size, grow system complexity, and added technology such as HVAC, lighting, and environmental controls:

Container Type	Estimated Price Range
20-ft Standard ISO Container	$2,089–$2,300
40-ft Shipping Container	$2,095–$2,349
45-ft High Cube Container	$2,600–$6,299

*These numbers are estimates, and the actual price can vary. Thus, it’s best to reach out to us for an accurate quote.

Why Choose Conexwest for Grow Room Conversions?

At Conexwest, we provide high-quality shipping containers that can be customized to support cannabis cultivation. While we don’t install grow systems, we handle the modifications needed to prepare each unit for a productive growing setup:

A white 20-foot Conexcool cold storage container with double doors.

We offer 10-ft, 20-ft, 40-ft, and 45-ft containers to meet the needs of both small and large-scale operations.

Custom-Ready Builds: Our team handles insulation, lighting-ready electrical wiring, vent installation, and layout prep, all in-house.
Nationwide Delivery: We ship across the U.S., with typical delivery times between 3–7 business days, even to remote locations.
Reliable Warranty: Every new container comes with a 10-year warranty, while used containers include 5-year coverage for added peace of mind.

With fast turnaround times and expert support, Conexwest makes it easier to launch or expand your cannabis grow operation.