A greenhouse can be freestanding or attached to the house. The greenhouse attached to the house is called as lean-to greenhouses. This type of greenhouse is very popular among the gardeners who utilize greenhouse for gardening. Lean-to greenhouse or a freestanding greenhouse is different in the aspect of their structure.
A freestanding greenhouse is an independent structure, which can build away from the house. The greenhouse is made to create and maintain the friendly environment for the better growth of the plants. Therefore you have to be equipped with necessary equipment to develop the heat, humidity, light and ventilation system to release the over heat. The availability of water and electricity are the most considerable factors while placing the greenhouse.