🇺🇸 American-Made. Built for Growers. Engineered to Last.
The Emerald Triangle Greenhouse is a 30’ and 35’ wide gothic style greenhouse designed for serious growers. It is a high-performance commercial greenhouse built for year-round production and maximum environmental control..At T3 Greenhouse Supply, we manufacture high-performance greenhouse kits for commercial agriculture, homesteading, and licensed cultivation. So growers can achieve consistent results with less effort.
From 10×12 backyard greenhouses to 35-foot-wide commercial houses and full gutter-connect projects, every T3 structure is built from heavy-duty U.S.-made galvanized steel. And these systems are engineered to last decades in harsh climates. Our Greenhouses are automation-ready and can run ventilation, irrigation, heating, cooling, and light deprivation systems— with optional off-grid solar power.
💪 T3 Greenhouses Outperform the Rest
The Emerald Triangle Greenhouse stands apart from other commercial greenhouse kits, especially when compared to standard gothic style greenhouses. By combining strength, automation, and long-term durability.
🇺🇸 U.S.-Made Heavy-Duty Galvanized Steel – 2-3/8″ and 1-5/8″ structural tubing for maximum strength and longevity.
Optional Powder Coating – Adds style and enhanced corrosion resistance.
High-Performance Plastics – String-reinforced poly film for outer layers, 6 mil clear poly for double-inflation insulation.
Automation-Ready – Integrates with automated Greenhouse controllers for precise climate management.
Off-Grid Capable – Solar power packages for farms, homesteads, and remote growing locations.
Custom Engineering – Wet-stamped plans available in all 50 states for agriculture and licensed cultivation facilities.
🦾⚙️ Automation & Off-Grid Options
Our Emerald Triangle commercial greenhouse is built for automation, and it enhances every part of the growing environment, because it allows the system to adapt to changing conditions automatically. With automated ventilation, evaporative cooling, heating, and smart controls, the system adjusts throughout the day, so your crops stay in optimal conditions at all times. With the right system, the internal climate adapts hour by hour. As a result, you get consistent results without lifting a finger. These Greenhouses are built for growers who want consistency and control without babysitting the thermostat. Whether you’re growing leafy greens in Montana or tropical plants in Texas, this style delivers stable growing conditions and peace of mind.
🌾Built for Every Type of Grower
Built for Every Type of Grower, whether you are running a commercial operation or growing at home.
Commercial Agriculture – Vegetables, fruits, berries, flowers, herbs, nursery crops.
Specialty Crops – Hemp and other high-value plants.
Backyard & Homestead Growers – Year-round food, flowers, and personal crops.
Schools & Community Gardens – Educational, sustainable agriculture projects.
Light Deprivation Systems
Our services
• Heavy-duty U.S. steel frames for structural strength
• Dual output motorized blackout curtains for smooth, reliable coverage
• Works with automated greenhouse controllers for timed cycles or manual operation
• Designed for precision light control to maximize yields
Ventilation and Cooling Packages
Our services
• Exhaust Fans – Sized to match your greenhouse:
• 36″ Fans for 20- and 24-foot-wide models.
• 50″ Fans for 30- and 35-foot-wide models.
• 20″ HAF Fans – Provide maximum air throw to eliminate hot spots and strengthen stems.
• Wet Wall Cooling Systems – Various sizes available; we recommend 4×20 wet walls for 30- and 35-foot-wide greenhouses.
• Wet Wall Light Traps – Optional blackout covers for wet wall systems.
Heating Solutions
• LB White 120 Plus & 220 Plus Heaters – High-efficiency heating designed specifically for greenhouses.
• Available in outside end wall mount or interior mount configurations.
• Perfect for year-round production in colder regions.
Greenhouse Plastics & Endwall Coverings
• String-Reinforced Poly Film (10 mil) – Tough, tear-resistant greenhouse covering for long-term durability.
• 6 Mil Clear Poly Film – Used as the lower layer in double-inflation systems for added insulation.
• Polycarbonate Endwalls – Long-lasting, rigid protection with excellent light transmission.
• Polycarbonate + Metal Endwall Options – For added durability, security, and weather resistance.
• Channel & Wiggle Wire Fastening – Aluminum channel with PVC-coated or galvanized wiggle wire for a secure, professional fit.
Solar Power Packages
• Turn Sunlight Into Savings – Harness clean, renewable energy to power your greenhouse or home while cutting utility costs.
• Plug-and-Grow Ready – Pre-wired systems integrate seamlessly with T3 greenhouses, light dep motors, and irrigation automation.
• Expandable Power Options – Scalable packages from off-grid setups to full-power commercial arrays for any growing operation.
• Built for Growers – Weather-resistant, high-efficiency panels and smart inverters designed for year-round reliability.
Automation Options
• Automated Greenhouse Controllers – Control ventilation, heating, irrigation, cooling, and light dep.
• Irrigation & Misting Systems – Climate or timer-controlled for consistent plant health.
• Remote Monitoring – Adjust systems from anywhere via your phone or computer.
Emerald Triangle Greenhouse
Emerald Triangle Greenhouse
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