Temperature Activated Automatic Greenhouse Window Opener With Solar Hydraulic Cylinder Opens Up To 18 Inches For Greenhouses Sheds And Cold Frames, Delivers Smart Ventilation And Supports Up To 20 Lbs

Temperature-Activated Solar Greenhouse Window Opener - 2-Pack
✔️ Opens up to 18 inches via solar hydraulic cylinder, no batteries required

This temperature-activated automatic vent opener uses a solar heat sensitive hydraulic cylinder to regulate greenhouse ventilation. It’s designed for roof vents, side-hung, or upward-hung windows in greenhouses, sheds, and cold frames, delivering hands-off airflow control.

✅ Temperature-activated venting operates between 60°F-77°F (15°C-25°C).
✅ Maximum opening distance up to 18 inches for robust airflow.
✅ Solar-powered, no batteries or wiring required.
✅ Corrosion-resistant anodized galvanized steel with dual springs for stability.
✅ Universal fit for roof vents, side-hung or upward-hung windows in greenhouses, sheds, and cold frames.
✅ Includes clamps and screws for quick installation and supports up to 20 lbs load.

💡 What is a greenhouse window opener and why is solar powered ventilation handy?

Solar powered vent systems offer automatic climate control without electrical wiring. Handy benefits include: - Improves air exchange for healthy plant growth in greenhouses and cold frames
- Reduces energy use and maintenance since no power is needed
- Easy installation with included clamps and screws