Riverstone | 12x24 ft Whitney Growers Edition Educational Greenhouse Package, 8mm Twin-wall Light Diffusing Polycarbonate

Because prices often change, please contact us directly for the most current pricing. This product is custom-made and cannot be refunded or returned once production begins.

This commercial-grade greenhouse is shipped via commercial truck and must be unloaded and assembled by professionals—it's not a DIY project. Proper installation requires water and electrical connections for optimal operation. Please note, this product is non-returnable once purchased. We encourage you to contact us with any questions before ordering and to watch our detailed features video to fully understand the benefits of this greenhouse.

Named after Eli Whitney, inventor of the cotton gin who transformed American agriculture, the Whitney Growers Greenhouse Package is designed for serious growers seeking a robust, climate-controlled structure to cultivate a variety of crops year-round. This greenhouse features upgraded 8mm twin-wall light-diffusing polycarbonate panels that optimize natural light distribution, enhancing photosynthesis while reducing energy costs for supplemental lighting. (Additional lighting may still be necessary for crops requiring up to 18 hours of light daily.)

Constructed with a commercial-grade 2" x 2" galvanized steel frame and pre-welded stanchions, the Whitney greenhouse offers durability and longevity. The greenhouse stands 8 feet tall on the sides with an 11.5-foot center peak, allowing for superior air circulation and ample headroom. It is engineered to endure snow loads of 10 lbs/sq ft and winds up to 90 mph.

This package includes secure, lockable French glass steel doors, motorized ventilation shutters, an industrial exhaust fan, commercial workbenches, programmable watering system, electric heater, and shade cloth to provide a comprehensive environment for optimal growing conditions.

All our GROWER Greenhouses come with a full assembly manual and our team is here to walk you through all steps of in the construction process as needed.

All our Products are Proudly Made in the USA!!

FEATURES

• Dimensions: 12 ft. (wide) x 24ft (deep) x 8ft (side walls) total height of 11.5ft (peak)
• Footage: 216 sq ft
• 8mm twin wall light diffusing polycarbonate end walls, side walls and roof
• 2 in x 2 in galvanized base rail and framing system.
• French glass entry security steel door with lockset. 42 in. wide x 84 in. high ADA ¾ inch thick.
• 2 24 in motorized shutters for air circulation
• 1 18 in. Quietaire Industrial Exhaust Fan
• 2 3 ft. deep x 24 ft. long commercial work benches- attached to the frame
• 1 Two stage commercial thermostat to control fan & shutters
• 1 240 volt electric heater with built in thermostat
• 1 22 ft. x 26 ft. (63%) shade cloth with tie down rope
• 1 automatic and programmable watering system with timer.
• Stamped and Sealed Drawings included in cost.

Benefits

• Maximizes natural light diffusion for healthier plant growth and reduced energy use

• Provides a secure, thermostatically controlled environment for professional growers

• Built with durable commercial-grade materials to ensure longevity and resilience

• Enables precise climate management with advanced ventilation, heating, and irrigation systems

• Simplifies permitting with included stamped and sealed drawings for local code compliance

• Proudly made in the USA, ensuring superior craftsmanship

Important Notes

• Custom-made product; no returns after production starts

• Requires professional unloading and assembly due to commercial delivery

• Water and electrical hookups required for full functionality

• Purchaser must verify local ordinance compliance prior to ordering

INSTALLATION MANUAL