• 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.
• Heavy-duty U.S. steel frames for structural strength
• Dual output motorized blackout curtains for smooth, reliable coverage
• Integrates with automated greenhouse controllers for timed cycles or manual operation
• Designed for precision light control to maximize yields
The Sundial 20×100 Straight-Wall Greenhouse is our most versatile entry-level model—built in a Quonset-style frame and inspired by Northern California’s iconic Sundial Bridge. Scalable in 5-foot increments, it’s perfect for…
The Trinity 24×100 Straight-Wall Greenhouse is a top choice among Northern California farmers and homesteaders. This compact Quonset-style structure uses 1-5/8″ 14-gauge steel for reliable strength and is ideal for…
The Mount Shasta 30×100 Straight-Wall Greenhouse is our most popular Quonset-style design—engineered for strength in high-wind zones, open fields, and exposed farm sites. Trusted by farmers for its spacious interior…
Our 30×100 Emerald Triangle Greenhouse features a durable Gothic-style frame—ideal for high snow load regions, cold climates, and licensed growers who demand year-round performance. Emerald Triangle frame starting at $19,812.00