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Automatic window opener

Automatic window opener

Keep your greenhouse perfectly ventilated with this automatic window opener. Using a temperature-sensitive wax cylinder, it opens and closes your greenhouse windows automatically — no electricity or batteries required. As temperatures rise, the opener gradually lifts the window to allow fresh air circulation, then gently closes it as temperatures cool.

Key Features:

  • Fully automatic — operates on heat-sensitive wax technology
  • No electricity or batteries needed
  • Opens windows starting at approximately 60°F (15°C)
  • Adjustable opening temperature and vent height
  • Supports window weight up to 15 lbs (7 kg)
  • Easy installation with included mounting hardware
  • Ideal for maintaining optimal greenhouse temperature and airflow
$139
Free US shippingQuality guaranteed30-day returns
Shipping

Free shipping in the US. Orders leave our warehouse in 3 to 7 business days; standard delivery takes 12 to 16 business days. Greenhouse pre-orders follow the timing shown on the greenhouse page.

Warranty & returns

Backed by our limited warranty and 30-day returns on unopened items. Questions? Email support@yourgreenhouses.com.

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