Henderson fire investigators are trying to figure out what caused a house to go up in flames. The fire happened around 2 Monday afternoon on Highway 351 in Hebberdsville. The fire was hot and the house is a total loss. The owner of the house, Billy Phelps, says he had just got home from work and went out back. Thats when he noticed smoke coming from the home and called 911. Phelps said, "I couldnt believe how fast it went up. It just started and it was gone." Phelps, his wife and 16 year old son plan to stay with relatives for now.