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
Original: $139.00
-70%$139.00
$41.70
Description
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
