Also, looking at the pic again. If that garage door is left open. It is in the garage isn't it? And the door to the home has no auto closer. And the door were left open. The air pressure pushing into the home through the door would pull the flame right out of that unit causing the discoloration and possible asphixiation to the inhabitants of the home. The unit is also required to be be at least 16 inches above the floor level to prevent the gas can, set just out of view next to the fire extinguisher from exploding.