The greatest limitation is that the vertical farming can find is the overall energy consumption. A considerable level of energy is needed to power the facade, artificial lighting, its system of hydroponic growing or aeroponic and heating and cooling. The amount of energy required per unit of product is an important factor to ensure not only that the farm is sustainable, but is also economically viable.However, the only technology that will be crucial to the future of vertical farming will be the LED lighting. This kind of artificial lighting has a high photoelectric conversion efficiency, consuming only one eighth of the energy of incandescent lamp, half of the power of the fluorescent lamp, and using a lower voltage supply (6 - 24V), which makes it safer to work and reduces the transmission losses.LED lights are small, have a useful life high, low energy consumption, generate less heat, and can produce light in varying intensities. Produce less heat, the light can be moved closer to the plants. This increases the efficiency, not only in terms of energy use, but also allowing the layers of growth of the plants are more dense, making more efficient use of space.LED lights can be set to issue only a wavelength of light is narrow, can also be combined to create a perfect illumination and providing light in the spectrum is ideal for the growth of the culture. Another benefit is that light waves LED can have distinct effects on the crop yield, quality, and pest diseases.It is a fact that there is a high potential for these multifunctional technological greenhouses built around LED lights. The evidence is clear that the perfect illumination increases the quality of the food that we eat and the amount that we can of the resources available: the problems of the 21st century, we now face, and by means of technology are getting closer to solve.
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