There are various types of greenhouses, one of which is commercial greenhouse. The Commercial greenhouse is usually made from glass or plastic, covering glass or plastic roof and walls. It is often very large and covers huge land. The commercial greenhouses are mainly used by industrialists and farmers, as they always offer high tech production facilities for vegetables or flowers and include equipments like – screening installations, heating, cooling, and lighting. The commercial greenhouses can be automatically controlled by a computer and mostly used for growing flowers, fruits, vegetables and tobacco plants. It can protect shield plants from dust storms and blizzards, crops from too much heat or cold.