Vent Openers

$54.00
This unique solar vent control will open and close roof vents, a cold frame lid, top-hinged wall vents, or even the greenhou...
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$49.95
This solar-powered control will open and close a louver window as temperatures change, enhancing air flow through the greenho...

$154.50
The ultimate solar vent control! Opens and closes vents weighing up to 65 lbs. A hydraulic safety damper prevents gusty winds...


$74.95
The Bayliss Triple Spring solar vent opener is the best choice for top hinged wall vents. It is also recommended for roof ven...


$84.95
This Bayliss orchid solar vent opener control operates at a higher temperature than other similar openers, allowing the green...

$99.95
The Bayliss Hydraulicheck solar vent opener is the best choice for large roof vents and side-hinged wall vents. A built-in hy...

$198.00
This larger, heavy-duty Bayliss Super solar vent opener is suitable for operating heavy, double-glazed greenhouse vents. It c...