One should look out for various types of filters available in an AC, such as a bio filter and a catching filter which traps dust particles, mites as well as eliminates bacteria and viruses. Thus, the air inhaled is pure and healthy.

Most air conditioning units also have a dehumidifier, which reduces humidity in the air, making it cooler and more comfortable.

Also, one should check the noise level of the model, which usually ranges from 30-60 decibels.

The sleep mode of an AC is an intelligent feature as it automatically adjusts the temperature during the night so that its comfortable throughout.

An auto restart facility to help restore the original setting after a power break.

Having a timer in the AC enables the users to turn it on or off on schedule.

A feature called ‘i-feel’ helps in maintaining the set temperature around the person rather than the air conditioner. A sensor on the remote signals the thermostat in the unit, which adjusts the cooling accordingly, making it more comfortable.