It is important to have an adequate number of vents in the greenhouse to increase airflow and avoid excessive temperatures. The Elite opener offers fully automatic greenhouse ventilation and it works by means of solar energy. It opens the window completely 45cm. (18") which means maximum ventilation per window and an ideal climate for greenhouse plants. No drilling is required and it can be fitted to all greenhouse makes. This unit has a temperature range of 15 to 25 degree C and is suitable for lifting up to 7 kilos (15lbs)
