This is a tool that you can connect to greenhouse windows for automatic and efficient ventilation. Once installed, it will allow mechanized opening and closing of the window as the temperature changes. This helps in maintaining the best growing temperature and prevents your greenhouse from overheating.
It is non-electric as it uses solar energy to operate. It automatically adjusts the temperature from 15 to 25 °C
With very simple steps, it can be clamped onto or screwed onto your greenhouse frame. Just make sure that e your greenhouse window can be opened freely by max 45 cm. Also, do not dismantle the cylinder because the opener cannot be manually stopped.
It is made of a standard galvanized sheet and has a measurement of 45 cm.