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High Tunnel/Greenhouse 12" Vent w/Auto Opener
Harris Seeds

High Tunnel/Greenhouse 12" Vent w/Auto Opener

Enhance your greenhouse or high tunnel with this 12-inch vent featuring an automatic opener. Designed to provide crucial supplemental ventilation, it helps regulate internal temperatures and protect your plants, especially during hot conditions when other ventilation methods may not suffice. The vent is constructed with a durable, rigid aluminum frame and shutters. It includes both a manual opener for immediate control and an auto-temperature opener that activates between 60-77° F, offering reliable protection even if you're away. Installation is straightforward with the included wiggle wire and channel locking system.

$154.95

Track Price
In Stock at Harris Seeds

Owner Satisfaction

4.2

/ 5

 

Category Rank

627

/ 1008

#627 in Greenhouses

Price vs Category Average

-88%

Below average

Vent opening

12121212

/ /" x /"

 

Who it's for

  • Hands-Free Temperature Regulation
  • Non-Electric Operation
  • Consistent Climate Control

Who should skip it

  • Delayed Response Time
  • Sensitivity to Extreme Weather
  • Limited Airflow Capacity

Key Specs

Vent opening

12 1/2" x 12 1/2"

Total vent dimensions

15" x 15" x 3"

Frame material

Rigid aluminum

Auto-temperature opening range

60-77° F

Greenhouse type

Walk-in

Covering material

Polyethylene Film

Ventilation type

Automatic, Manual

Features

  • Automatic temperature-activated opening
  • Adjustable temperature range
  • Rigid aluminum construction
  • Includes manual opener
  • Fast and easy installation
  • Supplemental ventilation for hot conditions
  • Ideal for roof or peak placement

What customers say

This automatic vent opener is a highly valued tool for passive climate control in greenhouses. Its primary appeal is the convenience of automated venting, eliminating manual adjustments and preventing overheating. Users appreciate the robust construction and straightforward installation. The heat-activated opener reliably regulates temperature, protecting crops from sudden heat. This set it and forget it functionality drives high satisfaction. While most report flawless operation, a few users note occasional issues with the opener mechanism after a season or two, especially in extreme conditions. Despite these minor concerns, the product offers exceptional value by automating a critical task, making it a recommended investment for growers seeking consistent environmental management and peace of mind.

Hayley

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High Tunnel/Greenhouse 12" Vent w/Auto Opener

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