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Add more cross breeze to your greenhouse by adding a Janssens Additional Roof Window. This is an additional roof window for Janssens Victorian Greenhouses. It’s the same unit that already comes with the greenhouse kit but maybe you want to add another vent to your greenhouse. Features & Benefits Additional roof vent for Janssens Greenhouses Provides […]
The Automatic Roof Window Opener is intended to automatically regulate the temperature and to provide better ventilation in all Royal Victorian Greenhouses. As the air inside the greenhouse warms, the vent gradually opens to release the suitable amount of airflow into the greenhouse and closes when the optimal temperature is attained. The vent arm is designed […]
The Spindle Opener for Roof Window allows manual ventilation in your Royal Victorian Greenhouse. A spindle opener is great in windy locations because it secures the window and you can decide when to open and close it. The spindle opener is attached to the frame and the roof window. By spinning the pole, you can […]
The Riga Roof Window Wind Restraint System protects your windows with auto-openers from powerful wind gusts that blow the vent open. Wind gust obstacles such as accidents, breakage or roof opener damages are minimized. This system has two 15in stainless steel cables with nuts and bolts. Good for one window. Note: This is exclusive for Riga & […]
Janssens Royal Victorian Louver Window adds another possibility for better interior ventilation to your Royal Victorian Greenhouse. The greenhouse already has one louver window included, but you may want a second one to provide the perfect growing environment for your plants. It helps to maintain the interior at a suitable temperature. Features & Benefits Provide the […]