The invention relates to an air-conditioning system based on new room inside room concept. It particularly gives emphasis to saving of power especially during unproductive hours of complete rest period such as sleeping in bed for few hours during night. Key concept behind this invention is to air-condition the minimum space, that is actually required during the rest period and separate out all other things which are not required to be cooled or heated up. The present invention is a trolley mounted unit having soft inflatable enclosure, an inflated condition sensor, a swell control mechanism resulting in air quality monitoring, and swift attachment detachment facility between ac unit and the enclosure.
