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Automatic Solar Window Vent Opener Hardware

  • Sale
  • $49.99


  • Automatically open and close cold frame lids, greenhouse windows and even skylights throughout the day and maintain a constant interior climate, something impossible to achieve by manual adjustments. Requires no batteries or electricity, it starts opening between 63-75°F, depending on how you have adjusted the vent.
  • Solar Vent Opener can lift up to 15 lbs. Automatic window opener opens and closes your greenhouse vent panels
  • Raise or lower the temperature setting with a simple twist of the cylinder and can be adjusted from approximately 65 to 80 degrees Fahrenheit
  • No electrical power is required as the fluid-filled cylinders expand in warm temperatures
  • Screw directly into polycarbonate panels, wood, or metal frames.
  • Put the cylinder in a cool place at max. 50°F for at least 30 minutes before the assembly.