At 0043hrs AFD was dispatched to a structure fire located at 105 Harlan Place.  Engine 3 arrived on scene and reported light smoke showing.  Engine 3 assumed command of the incident.  Firefighter's John King and Daniel Stacy made an intial entry, performed search and rescue.  While inside they found high heat and heavy smoke conditions.  The structure was ventilated from the B side.   A fire in the living room was extinguished quickly by both personnel.  A complete search of the home was made to insure everyone got out.   AFD firefighter's overhauled the fire room searching for any hidden fire.  After that was completed an investigation into the fire's cause was conducted.   At 0230 AFD fire command was terminated all AFD apparatus returned back to service.