An automatic fire suppression system for use in extinguishing residential fires or engine compartment fires in a vehicle. The automatic fire suppression system in mountable on a ceiling or under a hood of the vehicle or above the vehicle's engine if located elsewhere. The automatic fire suppression system retains an extinguishing agent in an extinguishing agent reservoir. A detection component for detecting heat or smoke triggers the release of the extinguishing agent according to a preset heat level or smoke condition. Once released, the extinguishing agent is dispensed onto the fire by through a plurality of orifices in a distribution component to effectively suppress the fire.