Many people erronously think that their life in presence of air conditions are very comfortable and make them healthy. But there are many disadvantages with Air conditions. It causes damages to health, environment and resources, etc.

A.Cs stops the sweating.Thus all the toxins, wastes, etc.cannot be excrited by the body. Hence, the same use to be re-circulates in to the other end organs such as heart, kidney, etc.,  Increasing the load on other organs.

As the load on kidney increases, it aggravates the problem of Hyper tension and diabetis, etc. Hence,  A.C is not advicable for the people having above ailments.

Heart also have the elastic nature, which is instument in habituating in the different temperatures.But, working or continuing in the uniform temperatures would reduce elastic nature of the heart, causing many ailments, includes de-hydration.

The usual temperature of room with A.C is 20 ○C.Where as the temperature of the body is about 37○C. Body has to
continue to work unnecessarily to maintain body temperature. In this process, it postphones or avoids someof the vital aactivities. Most of the times,E.N.T System use affect in the initial days and ailment spreads to other systems.

The use of A.Cs also causes depression.We can observe the suicidal tendencies in eskimos of Russia in presence of continued cold climate .Such climate is created on
Continued use with less than 15 ○C.

On the other hand A.Cs consume a lot of energies such as electricity and diesel, etc.High consumption of resources leads to pollution and climate change.

The A.Cs consists of chloro flouro carbons. The above gases are cause of  ozone depletion, there by endangering the human lives on this planet.
Also, the CFCs continue to stay in the atmosphere for more than 1000 years and causes global warming.