Smart ventilation for hard-to-reach places\n\nFrequently you need ventilation in hard-to-reach places where access to mains power would require a complex and expensive installation. Locations as varied as boats, greenhouses, sheds and conservatories, caravans and RVs all benefit from improved ventilation creating a more pleasant and controlled atmosphere. \n\nThis flexible range of Smart Vents offer a simple and easily installed solar ventilation system that will extract excess humidity and reduce condensation. The Smart Vent 300 also incorporates an integral NiMh battery that allows Smart Vent 300 to be used at night or in poor weather.