Vents and Vent Openers
Maintaining proper ventilation is key to the success of greenhouse plants. It helps regulate temperature, provide fresh air for photosynthesis, discourage pests, and encourage pollination. Johnny’s offers greenhouse vents and openers that automatically open in response to temperature increases, so your plants stay in their comfort zone. Choose from models designed for greenhouse and cold frame applications.
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High Tunnel Vent w/ Auto Opener – 12" x 12"
Provides additional greenhouse ventilation in hot conditions.
Automatic Ventilation Kit
Bobcat High Tunnel Kit Accessory
Thermostatically controlled venting system.
High Tunnel Vent w/ Auto Opener – 24" x 24"
Provides additional greenhouse ventilation in hot conditions.
High Tunnel Vent w/ Auto Opener – 30" x 30"
Provides additional greenhouse ventilation in hot conditions.
High Tunnel Vent w/ Auto Opener – 18" x 18"
Provides additional greenhouse ventilation in hot conditions.