At 0022 hours, the box alarm was sounded for the 5500blk of Amber Street, in Company 18's first-due, for the house on fire.  Units arrived to find heavy fire from all sides of the house.  Rescue Squad 14 arrived and was initially assigned RIT, but was later used to check for extension and conduct overhaul.  Rescue Squad 14 was ready for service at 0317 hours.