Many senior centers and active adult communities have determined that Philips, the AED market leader,¹ gives their AED program the best chance of success. Since Philips helped enable defibrillation by laypeople over 10 years ago, our AEDs have logged more than 15 billion hours on the job. HeartStart defibrillators are designed to be reliable, rugged and the easiest to use by lay-responders.