XA-300 Maxi-Vent

XA-300 Maxi-Vent

XA-300 greenhouse

You’ll breathe easy and so will your plants with the XA-300. We understand how important good ventilation is for the successful growth of your merchandise. That’s why our Poly-Vent® ridge and sidewall vents run the entire length of this structure, promoting natural air flow and reducing expensive electrical bills. Multiple configuration options mean you’ll get the perfect structure for your needs. Whether you are looking for a freestanding structure or gutter connected, frame-only or complete package, poly film or polycarbonate sheeting, our experienced sales team will help you get a structure that matches your needs and budget.


Interior viewOptimal Ventilation:
The thermostatically controlled Poly-Vent® ridge and side wall ventilation system provides maximum circulation

Connection Options:
Assemble as a freestanding structure or gutter-connect to other XA-300s.

Finishing Options:
Purchase the frame only or select a complete package, which includes everything required for turn-key operations

Choice of Covering:
Choose from double polyethylene film or polycarbonate structured sheeting

Custom Configuration:
Work with an experienced sales team to assemble the appropriate heating, cooling, doors, and environmental systems for your needs

Galvanized Steel Frame:
Constructed of 2″ O.D. 14 gauge galvanized steel, this durable structure holds up to years of extreme elements


    Interior of the XA-300

  • Width: 30′
  • Length: starting at 24′ with increments of 4′ Sidewall height: 6′
  • Height to apex: 18′-10″
  • Frame spacing: 4′
  • Truss height: Approximately 10′-6″
  • Truss system: 7-part truss made of 1″ and 1.66″ galvanized tube
  • Frame: 2″ O.D. 14 ga. galvanized steel tube
  • Purlin: (3) runs of 2″ O.D. 14 ga. galvanized steel tube


Choice of Polycarbonate Structured Sheeting:
Work with sales staff to select the appropriate sheeting for your needs

Door Selection:
Sliding or swinging doors available in single or double widths; starting size is 3′ x 618″ but custom sizes are available

Bench Systems:
Choose from a wide range of retail or stationary growing benches.

Heating & Cooling Options:
Heating systems can operate on electricity, natural gas, or propane resources; Cooling system options include: Poly-Vent side vents, Slide-Side Ventilation, HAF fans, exhaust fans and cool pads.

XA-300 greenhouse blueprint