The family pet is credited as being an all American hero this 4th of July.
Crews were called to the home on Monsanto Drive near Daly Road in Springfield Township around one a.m. Wednesday for a house fire.
A woman was sleeping in a front room when Lucy the dog woke her up. They got out safely.
Multiple departments had to be called out because of the heat.
Damage is estimated at $50,000.
One firefighter was taken to the hospital after injuring his leg.
Investigators are looking into what caused the fire.