Abstract: A room comprise of localized region (10) for air conditioning wherein conditioned air or totally fresh air can be directed to certain region of the room. A path of air flow may comprised of a ceiling air collector/distributor (80) joining with a floor air collector/distributor (41) by a duct (18) having the localized air conditioning region (10) link the floor air collector/distributor to the ceiling air collector/distributor to complete the circuit while maintaining the characteristic of air conditioning specific portion of the room only but not the whole room.