Automatic Window Opener, Automatic Window Opener for Solar Heat Sensitive Greenhouses, Rooftop Greenhouse Accessories for Greenhouses and Garden Sheds

Automatic window opener without electricity or batteries: Operates entirely by thermal expansion of the integrated liquid, triggered naturally by solar heat — zero maintenance, zero risk of failure, ideal for organic greenhouses and sustainable gardens.

Powerful and adjustable lifting capacity (up to 40 kg): Designed to lift thick panes of glass or heavy roofs made of glass, polycarbonate, or acrylic; Adjustable stroke from 0 to 35 cm to precisely adapt to your greenhouse opening.

Precise and stable trigger temperature (22–26 °C): High-reliability temperature sensor, calibrated for French climatic conditions — gradual opening from the first rays of morning, automatic closing when the temperature drops.

Robust construction in anodized aluminum and stainless steel: Resistant to weathering, UV rays, corrosion, and winter frost (-30 °C to +70 °C) — CE certified, tested over 10,000 cycles without wear.

Simplified installation in less than 10 minutes: Universal fixings included (screws, threaded extensions, articulated brackets), compatible with all types of traditional greenhouse, tunnel, or garden shed roofs (15° to 60° pitch).

Package contents: 1 x Automatic window opener (extended length: 35 cm), 2 x Adjustable mounting brackets, 4 x A2 stainless steel screws + wall plugs, 1 x Bilingual installation instructions (French/English), 1 x Practical guide "Optimization tips for the French climate".